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Diffstat (limited to 'NEWS')
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@@ -0,0 +1,2338 @@ +GNU Zebra is not yet released, so this NEWS is about beta version. + +* Changes in zebra-0.93 + +* Changes in bgpd + +** Configuration is changed to new format. + +* Changes in ospfd + +** Crush bugs which reported on Zebra ML is fixed. + +** Opaque LSA and TE LSA support is added by KDD R&D Laboratories, + Inc. + +* Chages in ospf6d + +** Many bugs are fixed. + +* Changes in zebra-0.92a + +* Changes in bgpd + +** Fix "^$" community list bug. + +** Below command's Address Family specific configurations are added + + nexthop-self + route-reflector-client + route-server-client + soft-reconfiguration inbound + +* Changes in zebra + +** Treat kernel type routes as EGP routes. + +* Changes in zebra-0.92 + +** Overall security is improved. Default umask is 0077. + +* Changes in ripd + +** If output interface is in simple password authentication mode, +substruct one from rtemax. + +* Changes in bgpd + +** IPv4 multicast and IPv6 unicast configuration is changed to so +called new config. All of AFI and SAFI specific configuration is +moved to "address-family" node. When you have many IPv6 only +configuration, you will see many "no neighbor X:X::X:X activate" line +in your configuration to disable IPv4 unicast NLRI exchange. In that +case please use "no bgp default ipv4-unicast" command to suppress the +output. Until zebra-0.93, old config is still left for compatibility. + +Old config +========== +router bgp 7675 + bgp router-id 10.0.0.1 + redistribute connected + network 192.168.0.0/24 + neighbor 10.0.0.2 remote-as 7675 + ipv6 bgp network 3ffe:506::/33 + ipv6 bgp network 3ffe:1800:e800::/40 + ipv6 bgp aggregate-address 3ffe:506::/32 + ipv6 bgp redistribute connected + ipv6 bgp neighbor 3ffe:506:1000::2 remote-as 1 + +New config +========== +router bgp 7675 + bgp router-id 10.0.0.1 + network 192.168.0.0/24 + redistribute connected + neighbor 10.0.0.2 remote-as 7675 + neighbor 3ffe:506:1000::2 remote-as 1 + no neighbor 3ffe:506:1000::2 activate +! + address-family ipv6 + network 3ffe:506::/33 + network 3ffe:1800:e800::/40 + aggregate-address 3ffe:506::/32 + redistribute connected + neighbor 3ffe:506:1000::2 activate + exit-address-family + +* Changes in ospfd + +** Internal interface treatment is changed. Now ospfd can handle +multiple IP address for an interface. + +** Redistribution of loopback interface's address works fine. + +* Changes in zebra-0.91 + +** --enable-oldrib configure option is removed. + +** HAVE_IF_PSEUDO part is removed. Same feature is now supported by +default. + +* Changes in ripd + +** When redistributed route is withdrawn, perform poisoned reverse. + +* Changes in zebra + +** When interface's address is removed, kernel route pointing out to +the address is removed. + +** IPv6 RIB is now based upon new RIB code. + +** zebra can handle same connected route to one interface. + +** New command for interface address. Currently this commands are +only supported on GNU/Linux with netlink interface. + +"ip address A.B.C.D secondary" +"ip address A.B.C.D label LABEL" + +* Changes in bgpd + +** BGP flap dampening bugs are fixed. + +** BGP non-blocking TCP connection bug is fixed. + +** "show ip bgp summary" shows AS path and community entry number. + +** New commands have been added. + "show ip bgp cidr-only" + "show ip bgp ipv4 (unicast|multicast) cidr-only" + "show ip bgp A.B.C.D/M longer-prefixes" + "show ip bgp ipv4 (unicast|multicast) A.B.C.D/M longer-prefixes" + "show ipv6 bgp X:X::X:X/M longer-prefixes" + "show ipv6 mbgp X:X::X:X/M longer-prefixes" + +** IPv6 IBGP nexthop change is monitored. + +** Unknown transitive attribute is passed with partial flag bit on. + +* Changes in ospfd + +** Fix bug of LSA MaxAge flood. + +** Fix bug of NSSA codes. + +* Changes in zebra-0.90 + +** From this beta release, --enable-unixdomain and --enable-newrib +becomes default. So both options are removed from configure.in. To +revert old behavior please specify below option. + +--enable-tcp-zebra # TCP/IP socket is used for protocol daemon and zebra. +--enable-oldrib # Turn on old RIB implementation. + +Old RIB implementation will be removed in zebra-0.91. + +** From this beta release --enable-multipath is supported. This +option is only effective on GNU/Linux kernel with +CONFIG_IP_ADVANCED_ROUTER and CONFIG_IP_ROUTE_MULTIPATH is set. + +--enable-multipath=ARG # ARG must be digit. When ARG is 0 unlimit multipath number. + +** From this release we do not include guile files. + +* Changes in lib + +** newlist.[ch] is merged with linklist.[ch]. + +** Now Zebra works on MacOS X public beta. + +** Access-list can have remark. "access-list WORD remark LINE" define +remark for specified access-list. + +** Key of key-chain is sorted by it's idetifier value. + +** prefix-list rule is slightly changed. The rule of "len <= ge-value +<= le-value" is changed to "len < ge-value <= le-value". + +** According to above prefix-list rule change, add automatic +conversion function of an old rule. ex.) 10.0.0.0/8 ge 8 -> 10.0.0.0/8 +le 32 + +** SMUX can handle SNMP trap. + +** In our event library, event thread is executed before any other +thread like timer, read and write event. + +** Robust method for writing configuration file and recover from +backing up config file. + +** Display "end" at the end of configuration. + +** Fix memory leak in vtysh_read(). + +** Fix memroy leak about access-list and prefix-list name. + +* Changes in zebra + +** UNIX domain socket server of zebra protocol is added. + +** Fix PointoPoint interface network bug. The destination network +should be installed into routing table instead of local network. + +** Metric value is reflected to kernel routing table. + +** "show ip route" display uptime of RIP,OSPF,BGP routes. + +** New RIB implementation is added. + +Now we have enhanced RIB (routing information base) implementation in +zebra. New RIB has many new features and fixed some bugs which exist +in old RIB code. + +*** Static route with distance value + + Static route can be specified with administrative distance. The + distance value 255 means it is not installed into the kernel. + Default value of distance for static route is 1. + + ip route A.B.C.D/M A.B.C.D <1-255> + ip route A.B.C.D/M IFNAME <1-255> + + If the least distance value's route's nexthop are unreachable, + select the least distance value route which has reachable nexthop is + selected. + + ip route 0.0.0.0/0 10.0.0.1 + ip route 0.0.0.0/0 11.0.0.1 2 + + In this case, when 10.0.0.1 is unreachable and 11.0.0.1 is + reachable. The route with nexthop 11.0.0.1 will be installed into + forwarding table. + + zebra> show ip route + S>* 0.0.0.0/0 [2/0] via 11.0.0.1 + S 0.0.0.0/0 [1/0] via 10.0.0.1 inactive + + If the nexthop is unreachable "inactive" is displayed. You can + specify any string to IFNAME. There is no need of the interface is + there when you configure the route. + + ip route 1.1.1.1/32 ppp0 + + When ppp0 comes up, the route is installed properly. + +*** Multiple nexthop routes for one prefix + + Multiple nexthop routes can be specified for one prefix. Even the + kernel support only one nexthop for one prefix user can configure + multiple nexthop. + + When you configure routes like below, prefix 10.0.0.1 has three + nexthop. + + ip route 10.0.0.1/32 10.0.0.2 + ip route 10.0.0.1/32 10.0.0.3 + ip route 10.0.0.1/32 eth0 + + If there is no route to 10.0.0.2 and 10.0.0.3. And interface eth0 + is reachable, then the last route is installed into the kernel. + + zebra> show ip route + S> 10.0.0.1/32 [1/0] via 10.0.0.2 inactive + via 10.0.0.3 inactive + * is directly connected, eth0 + + '*' means this nexthop is installed into the kernel. + +*** Multipath (more than one nexthop for one prefix) can be installed into the kernel. + + When the kernel support multipath, zebra can install multipath + routes into the kernel. Before doing that please make it sure that + setting --enable-multipath=ARG to configure script. ARG must be digit + value. When specify 0 to ARG, there is no limitation of the number + of the multipath. Currently only GNU/Linux with netlink interface is + supported. + + ip route 10.0.0.1/32 10.0.0.2 + ip route 10.0.0.1/32 10.0.0.3 + ip route 10.0.0.1/32 eth0 + + zebra> show ip route + S>* 10.0.0.1/32 [1/0] via 10.0.0.2 + * via 10.0.0.3 + is directly connected, eth0 + +*** Kernel message delete installed route. + + After zebra install static or dynamic route into the kernel. + + R>* 0.0.0.0/0 [120/3] via 10.0.0.1 + + If you delete this route outside zebra, old zebra does not reinstall + route again. Now the route is re-processed and properly reinstall the + static or dynamic route into the kernel. + +** GNU/Linux netlink socket handling is improved to fix race condition +between kernel message and user command responce. + +* Changes in bgpd + +** Add show neighbor's routes command. + + "show ip bgp neighbors (A.B.C.D|X:X::X:X) routes" + "show ip bgp ipv4 (unicast|multicast) neighbors (A.B.C.D|X:X::X:X) routes" + "show ipv6 bgp neighbors (A.B.C.D|X:X::X:X) routes" + "show ipv6 mbgp neighbors (A.B.C.D|X:X::X:X) routes" + +** BGP passive peer support problem is fixed. + +** Redistributed IGP nexthop is passed to BGP nexthop. + +** On multiaccess media, if the nexthop is reachable nexthop is passed +as it is. + +** Remove zebra-0.88 compatibility commands. + + "match ip prefix-list WORD" + "match ipv6 prefix-list WORD" + + Instead of above please use below commands. + + "match ip address prefix-list WORD" + "match ipv6 address prefix-list WORD" + +** Fix bug of holdtimer is not reset when bgp cleared. + +** "show ip bgp summary" display peer establish/drop count. + +** Change "match ip next-hop" argument from IP address to access-list +name. + +** When "bgp enforce-first-as" is enabled, check EBGP peer's update +has it's AS number in the first AS number in AS sequence. + +** New route-map command "set community-delete COMMUNITY-LIST" is +added. Community matched the CoMMUNITY-LIST is removed from the +community. + +** BGP-MIB implementation is finished. + +** When BGP connection comes from unconfigured IP address, close +socket immediately. + +** Do not compare router ID when the routes comes from EBGP peer. +When originator ID is same, take shorter cluster-list route. If +cluster-list is same take smaller IP address neighbor's route. + +** Add "bgp bestpath as-path ignore" command. When this option is +set, do not concider AS path length when route selection. + +** Add "bgp bestpath compare-routerid". When this option is set, +compare router ID when the routes comes from EBGP peer. + +** Add "bgp deterministic-med" process. + +** BGP flap dampening feature is added. + +** When IBGP nexthop is changed, it is reflected to RIB. + +** Change "neighbor route-refresh" command to "neighbor capability +route-refresh". + +* Changes in ripd + +** Change "match ip next-hop" argument from IP address to access-list +name. + +** "no ip rip (send|receive)" command accept version number argument. + +** Memory leak related classfull network generation is fixed. + +** When a route is in garbage collection process (invalid with metric +16) and a router receives the same route with valid metric then route +was not installed into zebra rib, but only into ripd rib. Moreover , +it will never get into zebra rib, because ripd wrongly assumes it's +already there. + +* Change in ospfd + +** Fix bug of refreshing default route. + +** --enable-nssa turn on undergoing NSSA feature. + +** Fix bug of Hello packet's option is not properly set when interface +comes up. + +** Reduce unconditional logging. + +** Add nexthop to OSPF path only when it is not there. + +** When there is no DR on network (suppose you have only one router +with interface priority 0). It's router LSA does not contain the link +information about this network. + +** When you change a priority of interface from/to 0 +ISM_NeighborChange event should be scheduled in order to elect new +DR/BDR on the network. + +** When we add some LSA into retransmit list we need to check whether +the present old LSA in retransmit list is not more recent than the new +one. + +** In states Loading and Full the slave must resend its last Database +Description packet in response to duplicate Database Description +packets received from the master. For this reason the slave must wait +RouterDeadInterval seconds before freeing the last Database +Description packet. Reception of a Database Description packet from +the master after this interval will generate a SeqNumberMismatch +neighbor event. RFC2328 Section 10.8 + +** Virtual link can not configured in stub area. + +** Clear a ls_upd_queue queue of the interface when interface goes +down. + +** "no router ospf" unregister redistribution requests from zebra. + +** New command for virtual-link configuration is added. + + "area A.B.C.D virtual-link A.B.C.D" + "area A.B.C.D virtual-link A.B.C.D hello-interval <1-65535> retransmit-interval <3-65535> transmit-delay <1-65535> dead-interval <1-65535>" + "area A.B.C.D virtual-link A.B.C.D hello-interval <1-65535> retransmit-interval <3-65535> transmit-delay <1-65535> dead-interval <1-65535> authentication-key AUTH_KEY" + "area A.B.C.D virtual-link A.B.C.D authentication-key AUTH_KEY" + "area A.B.C.D virtual-link A.B.C.D hello-interval <1-65535> retransmit-interval <3-65535> transmit-delay <1-65535> dead-interval <1-65535> message-digest-key <1-255> md5 KEY" + "area A.B.C.D virtual-link A.B.C.D message-digest-key <1-255> md5 KEY" + +** Clear cryptographic sequence number when neighbor status is changed +to NSM down. + +** Make Summary LSA's origination and refreshment as same as other +type of LSA. + +** New OSPF pakcet read method. Now maximum packet length may be 65535 +bytes (maximum IP packet length). + +** Checking the age of the found LSA and if the LSA is MAXAGE we +should call refresh instead of originate. + +** Install multipath information to zebra. + +** Fix socket descriptor leak when system call failed. + +* Changes in ospf6d + +** Whole functionality has been rewritten as new code. new command +"show ipv6 ospf6 spf node", "show ipv6 ospf6 spf tree", "show ipv6 +ospf6 spf table" has been added. + +** Change to do not send garbage route whose nexthop is not linklocal +address. + +** "redistribute ospf6" was generated in "router ospf6" in config +file. It is fixed. + +** LSDB sync bug is fixed. + +** Fix bug of using unavailable route. + +* Changes in vtysh + +** route-map and access-list configuration is merged into one +configuration. + +** /usr/local/etc/Zebra.conf is integrated configuration file. "write +memory" in vtysh will write whole configuration to this file. + +** When -b option is specified to vtysh, vtysh read +/usr/local/etc/Zebra.conf file then pass the confuguration to proper +protocol daemon. So make all protocol daemon's configuration file +empty then invoke all daemon. After that vtysh -b will setup saved +configuration. + +zebrastart.sh +============= +/usr/local/sbin/zebra -d +/usr/local/sbin/ripd -d +/usr/local/sbin/ospfd -d +/usr/local/sbin/bgpd -d +/usr/local/bin/vtysh -b + +* Changes in zebra-0.89 + +* Changes in lib + +** distribute-list can set all interface's access-list and prefix-list +configuration. + +* Changes in ripd + +** "show ip protocols" display proper distribute-list settings and +distance settings. + +** When metric infinity route received withdraw the route from kernel +immediately it used to be wait garbage collection. + +** key-chain can be used for simple password authentication. + +** RIPv2 MIB getnext interface bug is fixed. + +* Changes in vtysh + +** --with-libpam enable PAM authentication for vtysh. + +** Now vtysh read vtysh.conf. This file should be +${SYSCONFDIR}/etc/vtysh.conf for security reason. Usually it is +/usr/local/etc/vtysh.conf. + +** "username WORD nopassword" command is added to vtysh. + +* Chagees in ospfd + +** NBMA interface support is added. + +** OSPF area is sorted by area ID. + +** New implementation of OSPF refreesh. + +** OSPF-MIB read function is partly added. + +* Changes in bgpd + +** When the peering is done by ebgp-multihop, nexthop is looked up +like IBGP routes. + +** "show ip mbgp" commands are changed to "show ip bgp ipv4 +multicast". + +** New terminal commands are added. + "show ip bgp ipv4 (unicast|multicast) filter-list WORD" + "show ip bgp ipv4 (unicast|multicast) community" + "show ip bgp ipv4 (unicast|multicast) community-list WORD" + "show ip bgp ipv4 (unicast|multicast) community-list WORD exact-match" + +** MBGP soft-reconfiguration command is added. + "clear ip bgp x.x.x.x ipv4 (unicast|multicast) in" + "clear ip bgp x.x.x.x ipv4 (unicast|multicast) out" + "clear ip bgp x.x.x.x ipv4 (unicast|multicast) soft" + "clear ip bgp <1-65535> ipv4 (unicast|multicast) in" + "clear ip bgp <1-65535> ipv4 (unicast|multicast) out" + "clear ip bgp <1-65535> ipv4 (unicast|multicast) soft" + "clear ip bgp * ipv4 (unicast|multicast) in" + "clear ip bgp * ipv4 (unicast|multicast) out" + "clear ip bgp * ipv4 (unicast|multicast) soft" + +** MED related commands are added. + "bgp deterministic-med" + "bgp bestpath med confed" + "bgp bestpath med missing-as-worst" + +** "bgp default local-preference" command is added. + +** BGP confederation peer's routes are passed to zebra like IBGP route. + +** Community match command is added. + "show ip bgp community <val>" + "show ip bgp community <val> exact-match" + +** EBGP multihop route treatment bug is fixed. Now nexthop is +resolved by IGP routes. + +** Some commands are added to show routes by filter-list and community +value. + "show ip bgp ipv4 (unicast|multicast) filter-list WORD" + "show ip bgp ipv4 (unicast|multicast) community" + "show ip bgp ipv4 (unicast|multicast) community-list WORD" + "show ip bgp ipv4 (unicast|multicast) community-list WORD exact-match" + +* Changes in zebra + +** zebra read interface's address information using getifaddrs() when +it is available. + +** Reflect IPv6 interface's address change to protocol daemons. + +* Changes in zebra-0.88 + +* Changes in lib + +** "exact-match" option is added to "access-list" and "ipv6 +access-list" command. If this option is specified, the prefix and +prefix length is compared as exact match mode. + +* Changes in zebra + +** New Zebra message ZEBRA_REDISTRIBUTE_DEFAULT_ADD and +ZEBRA_REDISTRIBUTE_DEFAULT_DELTE are added. + +** Default administrative distance value is changed. + + Old New +------------------------------------------ +system 10 0 +kernel 20 0 +connected 30 0 +static 40 1 +rip 50 120 +ripng 50 120 +ospf 60 110 +ospf6 49 110 +bgp 70 200(iBGP) 20(eBGP) +------------------------------------------ + +** Distance value can be passed from protocol daemon to zebra. + +** "show ip route" shows [metric/distance] value pair. + +** Zebra Protocol is changed to support multi-path route and distance +value. + +* Changes in ospfd + +** "default-information originate [always]" command is added. + +** "default-metric <0-16777214>" command is added. + +** "show ip ospf database" command is integrated. LS-ID and AdvRouter can + be specifed. The commands are + + show ip ospf database TYPE LS-ID + show ip ospf database TYPE LS-ID ADV-ROUTER + show ip ospf database TYPE LS-ID self-originate + show ip ospf database TYPE self-originate + +** route-map support for `redistribute' command are added. + Supported `match' statements are + + match interface + match ip address + match next-hop + + Supported `set' statements are + + set metric + set metric-type + +** Pass OSPF metric value to zebra daemon. + +* Changes in ripd + +** When specified route-map does not exist, it means all deny. + +** "default-metric <1-16>" command is added. + +** "offset-list ACCESS-LIST-NAME <0-16>" and "offset-list +ACCESS-LIST-NAME <0-16> IFNAME" commands are added. + +** "redistribute ROUTE-TYPE metric <0-16>" command is added. + +** "default-information originate" command is added. + +** "ip split-horizon" and "no ip split-horizon" is added to interface +configuration. + +** "no router rip" command is added. + +** "ip rip authentication mode (md5|text)" is added to interface +configuration. + +** "ip rip authentication key-chain KEY-CHAIN" is added to interface +configuration. + +** Pass RIP metric value to zebra daemon. + +** Distance manipulation functions are added. + +* Changes in bgpd + +** Fix bug of next hop treatment for MPLS-VPN route exchange. + +** BGP peer MIB is updated. + +** Aggregated route has origin IGP, atomic-aggregate and proper +aggregator attribute. + +** Suppressed route now installed into BGP table. It is only +suppressed from announcement. + +** BGP router-id is properly set after "no router bgp ASN" and "router +bgp ASN". + +** Add check for nexthop is accessible or not for IBGP routes. + +** Add cehck for nexthop is on connected or not for EBGP routes. + +** "dump bgp route" command is changed to "dump bgp route-mrt" for +generating MRT compatible dump output. + +** Soft reconfiguration inbound and outbound is supported. + +** Route refresh feature is supported. + +* Changes in vtysh + +** VTY shell is now included into the distribution. + +* Changes in zebra-0.87 + +* Changes in lib + +** "show startup-config" command is added. + +** "show history" command is added. + +** Memory statistics command is changed. New command + + show memory all + show memory lib + show memory rip + show memory ospf + show memory bgp + +are added. + +** Filters can be removed only specify it's name. New command + + no access-list NAME + no ip community-list NAME + no ip as-path access-list NAME + no route-map NAME + +are added. + +** At any node, user can view/save user configuration. + + write terminal + write file + wirte memory + +are added to every node in default. + +** LCD completion is added. For example both "ip" and "ipv6" command +are exist, "i" then press TAB will be expanded to "ip". + +* Changes in bgpd + +** "show ip bgp" family shows total number of prefixes. + +** "no bgp default ipv4-unicast" command is added. + +** Extended Communities support is added. + +** "no neighbor PEER send-community extended" command is added. + +** MPLS-VPN PE-RR support is added. + + New address family vpnv4 unicast is introduced. + + ! + address-family vpnv4 unicast + neighobr PEER activate + network A.B.C.D rd RD tag TAG + exit-address-family + ! + + To make it route-reflector, please configure it under normal router +bgp ASN. + + ! + router bgp 7675 + no bgp default ipv4-unicast + bgp router-id 10.0.0.100 + bgp cluster-id 10.0.0.100 + neighbor 10.0.0.1 remote-as 65535 + neighbor 10.0.0.1 route-reflector-client + neighbor 10.0.0.2 remote-as 65535 + neighbor 10.0.0.2 route-reflector-client + neighbor 10.0.0.3 remote-as 65535 + neighbor 10.0.0.3 route-reflector-client + ! + address-family vpnv4 unicast + neighbor 10.0.0.1 activate + neighbor 10.0.0.2 activate + neighbor 10.0.0.3 activate + exit-address-family + ! + +* Changes in ospfd + +** Many many bugs are fixed. + +* Changes in ripd + +** Better interface up/down event handle. + +* Changes in zebra + +** Better interface up/down event handle. + +* Changes in zebra-0.86 + +* Changes in lib + +** Fix bug of exec-timeout command which may cause crush. + +** Multiple same policy for "access-list", "ip prefix-list, "as-path +access-list", "ip community-list" is not duplicated. + +** It used to be "ip prefix-list A.B.C.D/M" match routes which mask >= +M. Now default behavior is exact match so it only match routes which +mask == M. + +* Changes in bgpd + +** "match ip address prefix-list" is added to route-map. + +** A route without local preference is evaluated as 100 local preference. + +** Select smaller router-id route when other values are same. + +** Compare MED only both routes comes from same neighboring AS. + +** "bgp always-compare-med" command is added. + +** Now MED value is passed to IBGP peer. + +** When neighbor's filter is configured with non-existent access-list, +as-path access-list, ip prefix-list, route-map. The behavior is +changed from all permit to all deny. + +* Changes in ospfd + +** Fix bug of external route tag byte order. + +** OSPF Neighbor deletion bug which cause crush is fixed. + +** Some route calculation bug are fixed. + +** Add sanity check with router routing table. + +** Fix bug of memory leak about linklist. + +** Fix bug of 1-WayReceived in NSM. + +** Take care of BIGENDIAN architecture. + +** Fix bug of NSM state flapping between ExStart and Exchange. + +** Fix bug of Network-LSA originated in stub network. + +** Fix bug of MS flag unset. + +** Add to schedule router_lsa origination when the interface cost +changes. + +** Increment LS age by configured interface transmit_delay. + +** distribute-list is reimplemented. + +** Fix bug of refresh never occurs. + +** Fix bug of summary-LSAs reorigination. Correctly copy +OSPF_LSA_APPROVED flag to new LSA. when summary-LSA is reoriginatd. + +** Fix bug of re-origination when a neighbor disappears. + +** Fix bug of segmentation fault with DD retransmission. + +** Fix network-LSA re-origination problem. + +** Fix problem of remaining withdrawn routes on zebra. + +* Changes in ripd + +** Do not leave from multicast group when interface goes down bug is +fixed. + +* Changes in zebra + +** Remove client structure when client dies. + +** Take care static route when interface goes up/down. + +* Changes in zebra-0.85 + +* Changes in bgpd + +** "transparent-nexthop" and "transparenet-as" commands are added. + +** Route reflector's originator-id bug is fixed. + +* Changes in ospfd + +** Fix bug of OSPF LSA memory leak. + +** Fix bug of OSPF external route memory leak. + +** AS-external-LSA origination bug was fixed. + +** LS request treatment is completely rewritten. Now performance is +drastically improved. + +* Changes in ripd + +** RIPv1 update is done by class-full manner. + +* Changes in zebra-0.84b + +* Changes in lib + +** Fix bug of inet_pton return value handling + +* Changes in bgpd + +** Fix bug of BGP-4+ link-local address nexthop check for IBGP peer. + +** Don't allocate whole buffer for displaying "show ip bgp". Now it +consume only one screen size memory. + +* Changes in ripd + +** Fix debug output string. + +** Add RIP peer handling. RIP peer are shown by "show ip protocols". + +* Changes in zebra-0.84a + +* Changes in bgpd + +** Fix serious bug of BGP-4+ peering under IPv6 link-local address. + Due to the bug BGP-4+ peering may not be established. + +* Changes in zebra-0.84 + +* Changes in lib + +** IPv6 address and prefix parser is added to VTY by Toshiaki Takada + <takada@zebra.org>. DEFUN string is "X:X::X:X" for IPv6 address, + "X:X::X:X/M" for IPv6 prefix. You can use it like this. + + DEFUN (func, cmd, "neighbor (A.B.C.D|X:X::X:X) remote-as <1-65535>") + +** VTY configuration is locked during configuration. This is for + avoiding unconditional crush from two terminals modify the + configuration at the same time. "who" command shows which termnal + lock the configuration. VTY which has '*' character at the head of + line is locking the configuration. + +** Old logging functions are removed. Functions like + log_open,log_close,openlog are deleted. Instead of that please use + zlog_* functions. zvlog_* used in ospf6d are deleted also. + +** "terminal monitor" command is added. "no terminal monitor" is for + disabling. This command simply display logging information to the + VTY. + +** dropline.[ch] files are deleted. + +* Changes in bgpd + +** BGP neighbor configuration are sorted by it's IP address. + +** BGP peer configuration and actual peer is separated. This is + preparation for Route Server support. + +** "no neighbor PEER" command is added. You can delete neighbor + without specifying AS number. + +** "no neighbor ebgp-multihop" command is added. + +** "no neighbor port PORT" command is added. + +** To conform RFC1771, "neighbor PEER send-community" is default + behavior. If you want to disable sending community attribute, + please specify "no neighbor PEER send-community" to the peer. + +** "neighbor maximum-prefix NUMBER" command is added. + +** Multi-protocol extention NLRI is proceeded only when the peer is + configured proper Address Family and Subsequent Address Family. If + not, those NLRI are simply ignored. + +** Aggregate-address support is improved. Currently below commands + works. + + "aggregate-address" + "aggregate-address summary-only" + "no aggregate-address" + "no aggregate-address summary-only" + + "ipv6 bgp aggregate-address" + "ipv6 bgp aggregate-address summary-only" + "no ipv6 bgp aggregate-address" + "no ipv6 bgp aggregate-address summary-only" + +** redistribute route-map bug is fixed. + +** MBGP support becomes default. "configure" option --enable-mbgp is + removed. + +** New command "neighbor PEER timers connect <1-65535>" is added. + +** New command "neighbor PEER override-capability" is added. + +** New command "show ip bgp neighbor A.B.C.D advertised-route" is added. + +** New command "show ip bgp neighbor A.B.C.D routes" is added. To use + this command, you have to configure neighbor with + "neighbor A.B.C.D soft-reconfiguration inbound" beforehand. + + +* Changes in zebra-0.83 + +* bgpd + +** Serious bug fix about fetching global and link-local address at the +same time. Due to this bug, corrupted IPv6 prefix is generated. If +you uses bgpd for BGP-4+ please update to this version. The bug is +introduced in zebra-0.82. + +** When bgpd send Notify message, don't use thread manager. It is now +send to neighbor immediately. + +* Changes in zebra-0.82 + +** Solaris 2.6 support is added by Michael Handler +<handler@sub-rosa.com>. + +** MBGP support is added by Robert Olsson <Robert.Olsson@data.slu.se>. +Please specify --enable-mbgp to configure script. This option will be +removed in the future and MBGP support will be default. + +* Changes in zebra + +** When interface goes down, withdraw connected routes from routing +table. When interface goes up, restore the routes to the routing +table. + +** `show interface' show interface's statistics on Linux and BSD with +routing socket. + +** Now zebra can get MTU value on BSDI/OS. + +* Changes in bgpd + +** Add capability option support based upon +draft-ietf-idr-bgp4-cap-neg-04.txt. + +** Add `show ipv6 bgp prefix-list' command. + +** Check self AS appeared in received routes. + +** redistribute route-map support is added. + +** BGP packet dump feature compatible with MRT. + +* Changes in ripd + +** Fix bug of `timers basic' command's argument format. + +* Changes in ripngd + +** Calculate max RTE using interface's MTU value. + +* Changes in ospfd + +** Some correction to LSU processing. + +** Add check for lsa->refresh_list. + +* Changes in ospf6d + +** Many debug feature is added. + +* Changes in zebra-0.81 + +** SNMP support is disabled in default.--enable-snmp option is added +to configure script. + +* Changes in bgpd + +** Fix FSM bug which introduced in zebra-0.80. + +* Changes in zebra-0.80 + +* access-list + + New access-list name space `ipv6 access-list' is added. At the same + time, `access-list' statemant only accepts IPv4 prefix. Please be + careful if you use IPv6 filtering. You will need to change your + configuration. For IPv6 filtering please use `ipv6 access-list'. + + As of zebra-0.7x, user can use `access-list' for both IPv4 and IPv6 + filtering. + + ! zebra-0.7x + access-list DML-net permit 203.181.89.0/24 + access-list DML-net permit 3ffe:506::0/32 + access-list DML-net deny any + ! + + Above configuration is not valid for zebra-08x. Please add `ipv6' + before 'access-list' when you configure IPv6 filtering. + + ! zebra-0.8x + access-list DML-net permit 203.181.89.0/24 + access-list DML-net deny any + ! + ipv6 access-list DML-net permit 3ffe:506::0/32 + ipv6 access-list DML-net deny any + ! + +* prefix-list + + And also new prefix-list name space `ipv6 prefix-list' is added. It + is the same as the change of `access-list'. `ip prefix-list' now only + accept IPv4 prefix. It was source of confusion that `ip prefix-list' + can be used both IPv4 and IPv6 filtering. Now name space is separated + to clear the meaning of the filter. + + If you use `ip prefix-list' for IPv6 filtering, please change the + stetement. + + ! zebra-0.7x + ip prefix-list 6bone-filter seq 5 permit 3ffe::/17 le 24 ge 24 + ip prefix-list 6bone-filter seq 10 permit 3ffe:8000::/17 le 28 ge 28 + ip prefix-list 6bone-filter seq 12 deny 3ffe::/16 + ip prefix-list 6bone-filter seq 15 permit 2000::/3 le 16 ge 16 + ip prefix-list 6bone-filter seq 20 permit 2001::/16 le 35 ge 35 + ip prefix-list 6bone-filter seq 30 deny any + ! + + Now user can explicitly configure it as IPv6 prefix-list. + + ! zebra-0.8x + ipv6 prefix-list 6bone-filter seq 5 permit 3ffe::/17 le 24 ge 24 + ipv6 prefix-list 6bone-filter seq 10 permit 3ffe:8000::/17 le 28 ge 28 + ipv6 prefix-list 6bone-filter seq 12 deny 3ffe::/16 + ipv6 prefix-list 6bone-filter seq 15 permit 2000::/3 le 16 ge 16 + ipv6 prefix-list 6bone-filter seq 20 permit 2001::/16 le 35 ge 35 + ipv6 prefix-list 6bone-filter seq 30 deny any + ! + +* RIP configuration + + If you want to filter only default route (0.0.0.0/0) and permit other + routes, it was hard to do that. Now `ip prefix-list' can be used for + RIP route filtering. + + New statement: + + `distribute-list prefix PLIST_NAME (in|out) IFNAME' + + is added to ripd. So you can configure on eth0 interface accept all + routes other than default routes. + + ! + router rip + distribute-list prefix filter-default in eth0 + ! + ip prefix-list filter-default deny 0.0.0.0/0 le 0 + ip prefix-list filter-default permit any + ! + +* RIPng configuration + + Same change is done for ripngd. You can use `ipv6 prefix-list' for + filtering. + + ! + router ripng + distribute-list prefix filter-default in eth0 + ! + ipv6 prefix-list filter-default deny ::/0 le 0 + ipv6 prefix-list filter-default permit any + ! + +* BGP configuration + + So far, Multiprotocol Extensions for BGP-4 (RFC2283) configuration is + done with traditional IPv4 peering statement like blow. + + ! + router bgp 7675 + neighbor 3ffe:506::1 remote-as 2500 + neighbor 3ffe:506::1 prefix-list 6bone-filter out + ! + + For separating configuration IPv4 and IPv6, and for retaining Cisco + configuration compatibility, now IPv6 configuration is done by IPv6 + specific statement. IPv6 BGP configuration is done by statement which + start from `ipv6 bgp'. + + ! + router bgp 7675 + ! + ipv6 bgp neighbor 3ffe:506::1 remote-as 2500 + ipv6 bgp neighbor 3ffe:506::1 prefix-list 6bone-filter out + ! + + At the same time some IPv6 specific commands are deleted from IPv4 + configuration. + + o redistribute ripng + o redistribute ospf6 + o neighbor PEER version BGP_VERSION + o neighbor PEER interface IFNAME + + Those commands are only accepted as like below. + + o ipv6 bgp redistribute ripng + o ipv6 bgp redistribute ospf6 + o ipv6 bgp neighbor PEER version BGP_VERSION + o ipv6 bgp neighbor PEER interface IFNAME + + And below new commands are added. + + o ipv6 bgp network IPV6_PREFIX + o ipv6 bgp redistribute static + o ipv6 bgp redistribute connected + o ipv6 bgp neighbor PEER remote-as <1-65535> [passive] + o ipv6 bgp neighbor PEER ebgp-multihop [TTL] + o ipv6 bgp neighbor PEER description DESCRIPTION + o ipv6 bgp neighbor PEER shutdown + o ipv6 bgp neighbor PEER route-reflector-client + o ipv6 bgp neighbor PEER update-source IFNAME + o ipv6 bgp neighbor PEER next-hop-self + o ipv6 bgp neighbor PEER timers holdtime <0-65535> + o ipv6 bgp neighbor PEER timers keepalive <0-65535> + o ipv6 bgp neighbor PEER send-community + o ipv6 bgp neighbor PEER weight <0-65535> + o ipv6 bgp neighbor PEER default-originate + o ipv6 bgp neighbor PEER filter-list FILTER_LIST_NAME (in|out) + o ipv6 bgp neighbor PEER prefix-list PREFIX_LIST_NAME (in|out) + o ipv6 bgp neighbor PEER distribute-list AS_LIST_NAME (in|out) + o ipv6 bgp neighbor PEER route-map ROUTE_MAP_NAME (in|out) + + And some utility commands are introduced. + + o clear ipv6 bgp [PEER] + o show ipv6 bgp neighbors [PEER] + o show ipv6 bgp summary + + I hope these changes are easy to understand for current Zebra users... + +* To restrict connection to VTY interface. + + It used to be both IPv4 and IPv6 filter can be specified with one + access-list. Then the access-list can be appried to VTY interface + with `access-class' stetement in `line vty' node. Below is example in + zebra-0.7x. + + ! + access-list local-only permit 127.0.0.1/32 + access-list local-only permit ::1/128 + access-list local-only deny any + ! + line vty + access-class local-only + ! + + Now IPv4 and IPv6 filter have each name space. It is not possible to + specify IPv4 and IPv6 filter with one access-list. For setting IPv6 + access-list in `line vty', `ipv6 access-class' statement is + introduced. Let me show the configuration in zebra-0.8x. + + ! + access-list local-only permit 127.0.0.1/32 + access-list local-only deny any + ! + ipv6 access-list local-only permit ::1/128 + ipv6 access-list local-only dny any + ! + line vty + access-class local-only + ipv6 access-class local-only + ! + +* route-map + + New IPv6 related route-map match commands are added. + + o match ipv6 address + o match ipv6 next-hop + + Please change your configuration if you use IP match statement for + IPv6 route. + + zebra-0.7x config + ================= + ! + access-list all permit any + ! + route-map set-nexthop permit 10 + match ip address all + set ipv6 next-hop global 3ffe:506::1 + set ipv6 next-hop local fe80::cbb5:591a + ! + + zebra-0.8x config + ================= + ! + ipv6 access-list all permit any + ! + route-map set-nexthop permit 10 + match ipv6 address all + set ipv6 next-hop global 3ffe:506::1 + set ipv6 next-hop local fe80::cbb5:591a + ! + +* zebra connection + + Protocol daemon such as ripd, bgpd, ospfd will reconnect zebra daemon + when the connection fail. Those daemons try to connect zebra every 10 + seconds first three trial, then the interval changed to 60 seconds. + After all, if ten connections are fail, protocol daemon give up the + connection to the zebra daemon. + +* SNMP support (is not yet finished) + + Zebra uses SMUX protocol (RFC1227) for making communication with SNMP + agent. Currently lib/smux.c can be compiled only with ucd-snmp-4.0.1 + and http://ucd-snmp.ucdavis.edu/patches/012.patch. It can not be + compiled with ucd-snmp-3.6.2. + + After applying the patch to ucd-snmp-4.0.1, please configure it with + SMUX module. + + % configure --with-mib-modules=smux + + After compile & install ucd-snmp-4.0.1, you will need to configure + smuxpeer. I'm now using below configuration. + + /usr/local/share/snmp/snmpd.conf + ================================ + smuxpeer 1.3.6.1.6.3.1 test + + Above 1.3.6.1.6.3.1 and test is temporary configuration which is hard + coded in lib/smux.c. Yes, I know it is bad, I'll change it ASAP. + +* HUP signal treatment + + From zebra-0.80, ripd will reload it's configuration file when ripd + receives HUP signal. Other daemon such as bgpd, ospfd will support + HUP signal treatment soon. + +* Changes in zebra-0.79 + +* Changes in zebra + +** Broadcast address setting on Linux box bug is fixed. + +** Protocol daemon can install connected IPv6 route into the kernel. + +** Now zebra can handle blackhole route. + +* Changes in ripd + +** Add route-map feature for RIP protocol. + +** In case of RIP version 2 routing table entry has IPv4 address and +netmask pair which host part bit is on, ignore the entry. + +* Changes in ripngd + +** Change CMSG_DATA cast from (u_char *) to (int *). (u_char *) does +not work for NetBSD-currnet on SparcStation 10. + +* Changes in ospfd + +** MaxAge LSA treatment is added. + +** ABR/ASBR functionality is added. + +** Virtual Link funtionality is added. + +** ABR behaviors IBM/Cisco/Shortcut is added. + +* Changes in ospf6d + +** Enclosed KAME specific part with #ifdef #endif + +* Changes in zebra-0.78 + +* Changes in lib + +** SNMP support is started. + +** Now Zebra can work on BSD/OS 4.X. + +** Now Zebra can compiled on vanilla OpenBSD 2.5 but not yet working correcltly. + +* Changes in zebra + +** Interface index detection using ioctl() bug is fixed. + +** Interface information protocol is changed. Now interface +addition/deletion and interface's address addition/deletion is +separated. + +* Changes in bgpd + +** BGP hold timer bug is fixed. + +** BGP keepavlie timer becomes configurable. + +* Changes in ripd + +** When making reply to rip's REQUEST message, fill in +RIP_METRIC_INFINITY with network byte order using htonl (). + +** Pass host byte order address to IN_CLASSC and IN_CLASSB macro. + +* Changes in ospfd + +** LSA flooding works. + +** Fix bug of DD processing. + +** Fix bug of originating router-LSA bug is fixed. + +** LSA structure is changed to support LSA aging. + +* Changes in ospf6d + +** `ip6' statement in configuration is changed to `ipv6'. + +* Changes in zebra-0.77 + +* Changes in lib + +** SIGUSR1 reopen logging file. + +** route-map is extended to support multi-protocol routing +information. + +** When compiling under GNU libc 2.1 environment don't use inet6-apps. + +* Changes in zebra + +** Basic IPv6 router advertisement codes added. It is not yet usable. + +** Fix IPv6 route addition/deletion bug is fixed. + +** `show ip route A.B.C.D' works + +* Changes in bgpd + +** When invalid unfeasible routes length comes, bgpd send notify then +continue to process the packet. Now bgpd stop parsing invalid packet +then return to main loop. + +** BGP-4+ withdrawn routes parse bug is fixed. + +** When BGP-4+ information passed to non shared network's peer, trim +link-local next-hop information. + +** `no redistribute ROUTE_TYPE' withdraw installed routes from BGP +routing information. + +** `show ipv6 route IPV6ADDR' command added. + +** BGP start timer has jitter. + +** Holdtimer configuration bug is fixed. Now configuration does not +show unconfigured hold time value. + +* Changes in ripngd + +** Now update timer (default 30 seconds) has +/- 50% jitter value. + +** Add timers basic command. + +** `network' configuration is dynamically reflected. + +** `timers basic <update> <timeout> <garbage>' added. + +* Changes in ripd + +** Reconstruct almost codes. + +** `network' configuration is dynamically reflected. + +** RIP timers now conforms to RFC2453. So user can configure update, +timeout, garbage timer. + +** `timers basic <update> <timeout> <garbage>' works. + +* Changes in ospfd + +** Bug of originating network LSA is fixed. + +** `no router ospf' core dump bug is fixed. + +* Changes in ospf6d + +** Redistribute route works. + +* Changes in zebra-0.76 + +* Changes in lib + +** configure.in Linux IPv6 detection problem is fixed. + +** Include SERVICES file to the distribution + +** Update zebra.texi to zebra-0.76. + +* Changes in zebra-0.75 + +* Changes in lib + +** `termnal length 0' bug is fixed. + +* Changes in zebra + +** When zebra starts up, sweep all zebra installed routes. If -k or +--keep_kernel option is specified to zebra dameon. This function is +not performed. + +* Changes in ripngd + +** Aggreagte address command supported. In router ripngd, +`aggregate-address IPV6PREFIX' works. + +* Changes in bgpd + +** Input route-map's bug which cause segmentation violation is fixed. + +** route-map method improved. + +** BGP-4+ nexthop detection improved. + +** BGP-4+ route re-selection bug is fixed. + +** BGP-4+ iBGP route's nexthop calculation works. + +** After connection Established `show ip bgp neighbor' display BGP TCP +connection's source and destination address. + +** In case of BGP-4+ `show ip bgp neighbor' display BGP-4+ global and +local nexthop which used for originated route. This address will be +used when `next-hop-self'. + +* Changes in ospfd + +** Fix bug of DR election. + +** Set IP precedence field with IPTOS_PREC_INTERNET_CONTROL. + +** Schedule NeighborChange event if NSM status change. + +** Never include a neighbor in Hello packet, when the neighbor goes +down. + +* Changes in zebra-0.74 + +* Changes in lib + +** Now `terminal length 0' means no line output control. + +** `line LINES' command deleted. Instead of this please use `terminal +length <0-512>'. + +** `terminal length <0-512>' is each vty specific configuration so it +can not be configured in the configuration file. If you want to +configure system wide line control, please use `service +terminal-length <0-512>'. This configuration affects to the all vty +interface. + +* Changes in zebra + +** Installation of IPv6 route bug is fixed. + +* Changes in bgpd + +** Very serious bug of bgp_stop () is fixed. When multiple route to +the same destination exist, bgpd try to announce the information to +stopped peer. Then add orphan write thread is added. This cause +many strange behavior of bgpd. + +** Router-id parsing bug is fixed. + +** With BGP-4+ nexthop installation was done with global address but +it should be link-local address. This bug is fixed now. + +** When incoming route-map prepend AS, old AS path remained. Now bgpd +free old AS path. + +** `neighbor PEER weight <0-65535>' command added. + +* Changes in ripngd + +** Almost codes are rewritten to conform to RFC2080. + +* Changes in ospfd + +** SPF calculation timer is added. Currently it is set to 30 seconds. + +** SPF calculation works now. + +** OSPF routing table codes are added. + +** OSPF's internal routes installed into the kernel routing table. + +** Now `ospfd' works as non-area, non-external route support OSPF +router. + +** Call of log_rotate() is removed. + +* Changes in ospf6d + +** LSA data structure is changed. + +** Call of log_rotate() is removed. + +* Changes in zebra-0.73 + +* Changes in lib + +** `config terminal' is changed to `configure terminal'. + +** `terminal length <0-512>' command is added. + +** Variable length argument was specified by `...'. Now all strings +started with character `.' is variable length argument. + +* Changes in zebra + +** Internal route (such as iBGP, internal OSPF route) handling works +correctly. + +** In interface node, `ipv6 address' and `no ipv6 address' works. + +** Interface's address remain after `no ip address' bug is fixed. + +** Host route such as IPv4 with /32 mask and IPv6 with /128 mask +didn't set RTF_GATEWAY even it has gateway. This bug if fixed now. + +* Changes in bgpd + +** `match as-path' argument is used to be specify AS PATH value itself +directly (e.g. ^$). But it is changed to specify `ip as-apth +access-list' name. + +** iBGP route handle works without getting error from the kernel. + +** `set aggregator as AS A.B.C.D' command is added to route-map. + +** `set atomic-aggregate' command is added to bgpd's routemap. + +** Announcement of atomic aggregate attribute and aggregator attribute +works. + +** `update-source' bug is fixed. + +** When a route learned from eBGP is announced to iBGP, local +preference was set to zero. But now it set to +DEFAULT_LOCAL_PREF(100). + +* Changes in ripd + +** RIPv1 route filter bug is fixed. + +** Some memory leak is fixed. + +* Changes in ospfd + +** Fix bug of DR Election. + +** Fix bug of adjacency forming. + +* Changes in ospf6d + +** Clean up logging message. + +** Reflect routing information to zebra daemon. + +* Changes in zebra-0.72 + +* Changes in lib + +** When getsockname return IPv4 mapped IPv6 address. Convert it to +IPv4 address. + +* Changes in bgpd + +** Change route-map's next-hop related settings. + +set ip nexthop -> set ip next-hop +set ipv6 nexthop global -> set ipv6 next-hop global +set ipv6 nexthop local -> set ipv6 next-hop local + +** Add `next-hop-self' command. + +* Changes in ospfd + +** Fix bug of multiple `network area' directive crashes. + +* Changes in zebra-0.71 + +* Changes in lib + +** `log syslog' command is added. + +** Use getaddrinfo function to bind IPv4/IPv6 server socket. + +** `no banner motd' will suppress motd output when user connect to VTY. + +** Bind `quit' command to major nodes. + +* Changes in zebra + +** Point-to-point link address handling bug is fixed. + +* Changes in bgpd + +** AS path validity check is added. If malformed AS path is received +NOTIFY Malformed AS path is send to the peer. + +** Use getaddrinfo function to bind IPv4/IPv6 server socket. + +* Changes in ripd + +** Connected network announcement bug is fixed. + +** `broadcast' command is deleted. + +** `network' command is added. + +** `neighbor' command is added. + +** `redistribute' command is added. + +** `timers basic' command is added. + +** `route' command is added. + +* Changes in ripngd + +** Fix metric calculation bug. + +* Changes in ospfd + +** Check sum bug is fixed. + +* Chanegs in ospf6d + +** Routing table code is rewritten. + +* Changes in zebra-0.70 + +* Changes in zebra + +** Critical routing information base calculation bug check is fixed. + +** zebra ipv4 message is extended to support external/internal route +flavor. + +** Now if internal route doesn't has direct connected nexthop, then +nexthop is calculated by looking up IGP routing table. + +* Changes in bgpd + +** `neighbor PEER update-source IFNAME' command added as ALIAS to +`neighbor PEER interface IFNAME'. + +* Changes in ospfd + +** DD null pointer bug is fixed. + +* Changes in zebra-0.69 + +* Changes in zebra + +** zebra redistirbution supports dynamic notification of the route +change. If you add static route while running zebra, it will be +reflected to other protocol daemon which set `redistribute static'. + +** If static route installation is failed due to the error. The +static route is not added to the configuration and zebra routing +table. + +** zebra sets forwarding flag to on when it starts up. + +** `no ip forwarding' turn off IPv4 forwarding. + +** `no ipv6 forwarding' turn off IPv6 forwarding. + +** Change `show ipforward' command to `show ip forwarding'. + +** Change `show ipv6forward' command to `show ipv6 forwarding'. + +** `ip route A.B.C.D/M INTERFACE' works. So you can set `ip route +10.0.0.0/8 eth0'. + +* Changes in bgpd + +** `neighbor PEER send-community' command is added. If the option is +set, bgpd will send community attribute to the peer. + +** When a BGP route has no-export community attribute and +send-community is set to the peer, the route is not announced to the +peer. + +* Changes in ripngd + +** When ripngd terminates, delete all installed route. + +** `redistribute static', `redistribute connected' works. + +** Change `debug ripng event' to `debug ripng events'. + +** Change `show debug ripng' to `show debugging ripng'. + +** Bug of static route deletion is fixed. + +* Changes in ospfd + +** LS request and LS update can be send and received. + +* Changes in zebra-0.68 + +* Changes in lib + +** DEFUN() is extended to support (a|b|c) statement. + +** Input buffer overflow bug is fixed. + +* Changes in bgpd + +** `ip community-list' is added. + +** set community and match community is added to route-map statement. + +** aggregate-address A.B.C.D/M partly works. Now it works only +summary-only mode. + +* Changes in zebra + +** IPv6 network address delete bug is fixed. + +* Changes in ospfd + +** DR election bug fixed. + +** Now Database Description can be send or received. + +** Neighbor State Machine goes to Full state. + +* Changes in ospf6d + +** router zebra related bug is fixed. + +* Changes in zebra-0.67 + +* Changes in lib + +** `service password-encryption' is added for encrypted password. + +* Changes in bgpd + +** `set as-path prepend ASPATH' is added to route-map command. + +** `set weight WEIGHT' is added to route-map command. + +** `no set ipv6 nexthop global' and `no set ipv6 nexthop local' +command is added to route-map. + +** `neighbor IP_ADDR version BGP_VERSION' command's BGP_VERSION +argument changed. + +Old New +===================== +bgp4 4 +bgp4+ 4+ +bgp4+-draft-00 4- +===================== + +If you want to peer with old draft version of BGP-4+, please configure +like below: + +router bgp ASN + neighbor PEER version 4- + +** Some AS path isn't correctly compared during route selection. Now +it is fixed. + +* Changes in ospfd + +** `router zebra' is default behavior. + +* Changes in ospf6d + +** `router zebra' is default behavior. + +* Changes in zebra-0.66 + +* Changes in zebra + +** When other daemon such as gated install routes into the kernel then +zebra blocks. This is only occur with netlink socket. Now socket is +set as NONBLOCKING and problem is fixed. Reported and fixed by +Patrick Koppen <koppen@rhrk.uni-kl.de> + +* Changes in bgpd + +** Now `router zebra' is not needed to insert BGP routes into the +kernel. It is default behavior. If you don't want to install the BGP +routes to the kernel, please configure like below: + +! +router zebra + no redistribute bgp +! + +** redistribute connected works. + +** redistribute static now filter local loopback routes and link local +network. + +* Changes in ripd + +** Some network check is added. Patch is done by Carlos Alberto +Barcenilla <barce@frlp.utn.edu.ar> + +* Changes in ripngd + +** Sometimes ripngd install wrong nexthop into the kernel. This bug +is fixed now. + +** Now `router zebra' is not needed to insert RIPng routes into the +kernel. It is default behavior. If you don't want to install the BGP +routes to the kernel, please configure like below: + +! +router zebra + no redistribute ripng +! + +* Changes in zebra-0.65 + +* Changes in lib + +** `C-c' changes current node to ENABLE_NODE. Previously it doesn't. + +** In ENABLE_NODE, `exit' command close vty connection. + +** `service advanced-vty' enable advanced vty function. If this +service is specified one can directly connect to ENABLE_NODE when +enable password is not set. + +** `lines LINES' command is added by Stephen R. van den Berg +<srb@cuci.nl>. + +* Changes in zebra + +** Basic Linux policy based routing table support is added by Stephen +R. van den Berg <srb@cuci.nl>. + +* Changes in bgpd + +** route-map command is improved: + `match ip next-hop': New command. + `match metric': New command. + `set metric': Doc fixed. + `set local-preference': DEFUN added. + +* Changes in ripd + +** Check of announced network is added. Now multicast address is +filtered. Reported by Carlos Alberto Barcenilla +<barce@frlp.utn.edu.ar> + +** Check of network 127 is added. Reported by Carlos Alberto +Barcenilla <barce@frlp.utn.edu.ar> + +* Changes in ripngd + +** Aging route bug is fixed. + +** `router zebra' semantics changed. ripngd automatically connect to +zebra. + +* Changes in ospfd + +** `no router ospf' works. + +* Changes in ospf6d + +** Bug fix about network vertex. + +* Changes in zebra-0.64.1. + +This is bug fix release. + +* Changes in lib + +** Add check of sin6_scope_id in struct sockaddr_in6. For compilation +on implementation which doesn't have sin6_scope_id. Reported by Wim +Biemolt <Wim.Biemolt@ipv6.surfnet.nl>. + +* Changes in zebra + +** Fix bug of display BGP routes as "O" instead of "B". Reported by +"William F. Maton" <wmaton@enterprise.ic.gc.ca> and Dave Hartzell +<hartzell@greatplains.net>. + +* Changes in bgpd + +** `no network IPV6_NETWORK' statement and `no neighbor IP_ADDR timers +holdtime [TIMER]' statement doesn't work. Reported by Georg Hitsch +<georg@atnet.at>. Now both statement work. + +* Changes in ospfd + +** Last interface is not updated by ospf_if_update(). Reported by +Dave Hartzell <hartzell@greatplains.net>. + +* Changes in ospf6d + +** Byte order of ifid is changed. Due to this change, this code will +not work with previous version, sorry. + +** Fix `show ip route' route type mismatch. + +** Fix bug of no network IPV6_NETWORK. + +** Important bug fix about intra-area-prefix-lsa. + +* Changes in zebra-0.64. + +* Changes in lib + +** prefix-list based filtering routine is added. Currently used in +bgpd but it will be in other daemons. + +* Changes in bgpd + +** `no router bgp' works. But network statement is not cleared. This +should be fixed in next beta. + +** Route reflector related statement is added. + + router bgp ASN + bgp cluster-id a.b.c.d + neighbor a.b.c.d route-reflector-client + + is added. + +** Prefix list based filtering is added. + + router bgp ASN + neighbor a.b.c.d prefix-list PREFIX_LIST_NAME + +** Prefix list based routing display works. + + show ip bgp prefix-list PREFIX_LIST_NAME + +* Changes in ripd + +** Fix route metric check bug. Reported from Mr. Carlos Alberto +Barcenilla. + +* Changes in ospf6d + +** There are many changes. If you have interested in ospf6d please +visit ospf6d/README file. + +* Changes in zebra-0.63 first beta package. + +* Changes in lib + +** `copy running-config stgartup-config' command is added. + +** prefix length check bug is fixed. Thanks Marlos Barcenilla +<barce@frip.utn.edu.ar>. + +* Changes in ospfd + +** DR and BDR election works. + +** OSPF Hello simple authentication works. + +* Changes in ospf6d + +** Now ospf6d can be compiled on both Linux and *BSD system. + +* Changes in zebra-19990420 snapshot + +** `make dist' at top directory works now. + +* Changes in lib + +** VTY has now access-class to restrict remote connection. +Implemented by Alex Bligh <amb@gxn.net>. + +! +line vty + access-class ACCESS-LIST-NAME +! + +** `show version' command added. Implemented by Carlos Alberto +Barcenilla <barce@frlp.utn.edu.ar> + +* Changes in zebra + +** `ip address' command on *BSD bug is fixed. + +** `no ip address' works now for IPv4 address. + +** Now `write terminal' display `ip address' configuration. + +* Changes in bgpd + +** Redistribute static works now. Please run both zebra and bgpd. +bgpd.conf should be like this: + +! +router zebra +! +router bgp ASN + redisitribute static +! + +* Changes in guile + +** configure --enable-guile turns on zebra-guile build. + +** (router-bgp ASN) allocates real bgp structre. + +* Changes in zebra-19990416 snapshot + +** Set version to 0.60 for preparation of beta release. + +** New directory guile is added for linking with guile interpreter. + +* Changes in zebra + +** On GNU/Linux Kernel 2.2.x (with netlink support), zebra detects +asynchronous routing updates. *BSD support is not yet finished. + +* Changes in bgpd + +** `show ip bgp regexp ASPATH_REGEX' uses CISCO like regular expression +instead of RPSL like regular expression. I'm planing to provide RPSL +like regular expression with `show ip bgp rpsl' or something. + +* Changes in lib + +** Press '?' at variable mandatory argument, vty prints nothing. Now +vty outputs description about the argument. Fixed by Alex Bligh +<amb@gxn.net> + +** buffer.c has some ugly bugs. Due to the bug, vty interface hangs +when large output date exists. This bug is fixed. Reported by Alex +Bligh <amb@gxn.net>. + +* Changes in ospfd + +** DR and BDR information is shown by `show ip ospf interface' command. + +* Changes in zebra-19990408 snapshot + +* Changes in bgpd + +** Old BGP-4+ specification (described in old draft) treatment bug is +fixed. It seems that mrtd uses this format as default. So if you +have problem peering with mrtd and want to use old draft format please +use version statement like this. + +neighbor PEER_ADDRESS remote-as ASN +neighbor PEER_ADDRESS version bgp4+-draft-00 + +** When AS path is epmty (routes generated by bgpd), SEGV is occur +when announce the routes to eBGP peer. Reported by +kad@gibson.skif.net. + +** ip as-path access-list command is added. + +** neighbor PEER_ADDRESS filter-list AS_LIST [in|out] command is added. + +** neighbor PEER_ADDRESS timers holdtimer TIMER command is added. + +* Changes in all daemons + +** With KAME stack, terminal interface is now bind AF_INET socket +instead of AF_INET6 one. + +* Changes in zebra-19990403 snapshot + +* Changes in bgpd + +** When bgpd has 'router zebra', bgpd automatically select it's router +ID as most highest interface's IP Address. + +** When AS path is empty (in case of iBGP), it doesn't include any AS +segment. This change is for announcement to gated under iBGP. + +* Changes in ospfd + +** OSPF hello packet send/receive works. + +* Changes in ospf6d + +** Yasuhiro Ohara's ospf6d codes is imported. It is under development +and can't be compiled on any platform. + +* Changes in zebra-19990327 snapshot + +* Changes in bgpd + +** When BGP-4+ connection is done by IPv6 link-local address. One +have to specify interface index for the connection. So I've added +interface statement to the neighbor commmand. Please specify +interface name for getting interface index like below. This statement +only works on GNU/Linux. I'll support BSD ASAP. + +router bgp 7675 + neighbor fe80::200:f8ff:fe01:5fd3 remote-as 2500 + neighbor fe80::200:f8ff:fe01:5fd3 interface sit3 + +** For disable BGP peering `shutdown' command is added. + +router bgp 7675 + neighbor 10.0.0.1 shutdown + +** `description' command is added to neighbor statement. + +router bgp 7675 + neighbor 10.0.0.1 description peering with Norway. + +** `show ip bgp regexp AS-REGEXP' works again. + +show ip bgp regexp AS7675 + +will show routes which include AS7675. + +** When a route which is made from `network' statement is send to +neighbor. Set it's nexthop to self. So 10.0.0.0/8 is announced to +the peer A with source address 192.168.1.1. The routes nexthop is set +to 192.168.1.1. + +* Changes in zebra + +** In zebra/rtread_sysctl.c, function rtm_read() may overrun allocated +buffer when the address family is not supported and the length is big +(i.e link address). Reported Achim Patzner <ap@bnc.net>. + +* Changes in ospfd + +** Now ospfd receive OSPF packet. + +* Changes in zebra-19990319 snapshot + +* Changes in configuration and libraries + +** User can disable IPv6 feature and/or pthread feature by configure + option. + + To disable IPv6: configure --disable-ipv6 + To disable pthread: configure --disable-pthread + +** User can disable specified daemon by configure option. + + Don't make zebra: configure --disable-zebra + Don't make bgpd: configure --disable-bgpd + Don't make ripd: configure --disable-ripd + Don't make ripngd: configure --disable-ripngd + Don't make ospfd: configure --disable-ospfd + Don't make ospf6d: configure --disable-ospf6d + +** Sample configuration files are installed as 600 file flag. + Suggested by Jeroen Ruigrok/Asmodai <asmodai@wxs.nl>. + +** syslog logging feature is added by Peter Galbavy + <Peter.Galbavy@knowledge.com> + +** Inclusion of standard header files is reworked by Peter Galbavy + <Peter.Galbavy@knowledge.com> + +** Change description from GNU/Linux 2.1.X to GNU/Linux 2.2.X + +** If daemon function exists in standard C library use it. + +** To generate configure script we upgrade autoconf to 2.13. To +generate Makefile.in we upgrade automake to 1.4. + +** doc/texinfo.tex is added to distribution. + +** Update ports/pkg/DESCR description. + +** Update doc/zebra.texi. + +** logfile FILENAME statement deleted. Instead of that please use log +file FILENAME. + +* Changes in zebra + +* Changes in bgpd + +** Communication between zebra and bgpd works now. So if there is + `router zebra' line in bgpd.conf, selected route is installed + into kernel routing table. + +** Delete all routes which inserted by bgpd when bgpd dies. If you +want to retain routes even bgpd dies please specify [-r|--retain] +option to bgpd. + +** BGP announcement code is reworked. Now bgpd announce selected + routes to other peer. + +** All output bgp packet is buffered. It's written to the socket when + it gets ready. + +** Output route-map works now. You can specify output route-map by: + + neighbor IP_ADDR route-map ROUTE_MAP_NAME out + +** New route-map command added. + + set ip nexthop IP_ADDR + set ipv6 nexthop global IP_ADDR + +** Fix bug about unlock of the route_node structure. + +** BGP-4+ support is added. bgpd can listen and speak BGP-4+ packet +specified in RFC2283. You can view IPv6 bgp table by: `show ipv6 bgp'. + +** Meny packet overflow check is added. + +* Changes in ripd + +* Changes in ripngd + +* Changes in ospfd + +** ospfd work is started by Toshiaki Takada <takada@zebra.org>. Now +several files are included in ospfd directory. + +** ospf6d codes are merged from Yasuhiro Ohara <yasu@sfc.wide.ad.jp>'s +ospfd work. Now codes are located in ospf6d directory. + + +Local variables: +mode: outline +paragraph-separate: "[ ]*$" +end: |