diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/ChangeLog | 8 | ||||
| -rw-r--r-- | doc/main.texi | 4 | ||||
| -rw-r--r-- | doc/ospfd.texi | 119 |
3 files changed, 75 insertions, 56 deletions
diff --git a/doc/ChangeLog b/doc/ChangeLog index 02324b99..aa1eb744 100644 --- a/doc/ChangeLog +++ b/doc/ChangeLog @@ -1,3 +1,11 @@ +2006-07-28 Paul Jakma <paul.jakma@sun.com> + + * main.texi: link-detect works on Solaris too. + * ospfd.texi: Twiddle around with anchors a bit more. + Clarify how setting MD5 auth by area and by interface interact, + and add cross-references, as well as to the required + command for setting key material. + 2006-07-27 Paul Jakma <paul.jakma@sun.com> * quagga.texi: Remove unused index definitions diff --git a/doc/main.texi b/doc/main.texi index 4254379e..b76a636b 100644 --- a/doc/main.texi +++ b/doc/main.texi @@ -79,8 +79,8 @@ configuration. @deffn {Interface Command} {link-detect} {} @deffnx {Interface Command} {no link-detect} {} Enable/disable link-detect on platforms which support this. Currently -only linux and with certain drivers - those which properly support the -IFF_RUNNING flag. +only Linux and Solaris, and only where network interface drivers support reporting +link-state via the IFF_RUNNING flag. @end deffn @node Static Route Commands diff --git a/doc/ospfd.texi b/doc/ospfd.texi index 4c4b04b9..bd53a692 100644 --- a/doc/ospfd.texi +++ b/doc/ospfd.texi @@ -11,7 +11,6 @@ convergence times. OSPF is widely used in large networks such as networks. @menu - * Configuring ospfd:: * OSPF router:: * OSPF area:: @@ -48,15 +47,15 @@ support multiple OSPF processes. So you can not specify an OSPF process number. @end deffn -@anchor{ospf router-id} @deffn {OSPF Command} {ospf router-id @var{a.b.c.d}} {} @deffnx {OSPF Command} {no ospf router-id} {} -This sets the router-ID of the OSPF process. The router-ID may be an IP -address of the router, but need not be - it can be any arbitrary 32bit -number. However it MUST be unique within the entire OSPF domain to the -OSPF speaker - bad things will happen if multiple OSPF speakers are -configured with the same router-ID! If one is not specified then -@command{ospfd} will obtain a router-ID automatically from @command{zebra}. +@anchor{ospf router-id}This sets the router-ID of the OSPF process. The +router-ID may be an IP address of the router, but need not be - it can +be any arbitrary 32bit number. However it MUST be unique within the +entire OSPF domain to the OSPF speaker - bad things will happen if +multiple OSPF speakers are configured with the same router-ID! If one +is not specified then @command{ospfd} will obtain a router-ID +automatically from @command{zebra}. @end deffn @deffn {OSPF Command} {ospf abr-type @var{type}} {} @@ -113,18 +112,16 @@ detail argument, all changes in adjacency status are shown. Without detail, only changes to full or regressions are shown. @end deffn -@anchor{OSPF passive-interface} @deffn {OSPF Command} {passive-interface @var{interface}} {} @deffnx {OSPF Command} {no passive-interface @var{interface}} {} - -Do not speak OSPF interface on the given interface, but do advertise -the interface as a stub link in the router-@acronym{LSA,Link State -Advertisement} for this router. This allows one to advertise addresses -on such connected interfaces without having to originate -AS-External/Type-5 LSAs (which have global flooding scope) - as would -occur if connected addresses were redistributed into OSPF -(@pxref{Redistribute routes to OSPF})@. This is the only way to advertise -non-OSPF links into stub areas. +@anchor{OSPF passive-interface} Do not speak OSPF interface on the +given interface, but do advertise the interface as a stub link in the +router-@acronym{LSA,Link State Advertisement} for this router. This +allows one to advertise addresses on such connected interfaces without +having to originate AS-External/Type-5 LSAs (which have global flooding +scope) - as would occur if connected addresses were redistributed into +OSPF (@pxref{Redistribute routes to OSPF})@. This is the only way to +advertise non-OSPF links into stub areas. @end deffn @deffn {OSPF Command} {timers throttle spf @var{delay} @var{initial-holdtime} @var{max-holdtime}} {} @@ -204,11 +201,12 @@ viewed with the @ref{show ip ospf} command. @deffn {OSPF Command} {auto-cost reference-bandwidth <1-4294967>} {} @deffnx {OSPF Command} {no auto-cost reference-bandwidth} {} -This sets the reference bandwidth for cost calculations, where this -bandwidth is considered equivalent to an OSPF cost of 1, specified in -Mbits/s. The default is 100Mbit/s (i.e. a link of bandwidth 100Mbit/s -or higher will have a cost of 1. Cost of lower bandwidth links will be -scaled with reference to this cost). +@anchor{OSPF auto-cost reference-bandwidth}This sets the reference +bandwidth for cost calculations, where this bandwidth is considered +equivalent to an OSPF cost of 1, specified in Mbits/s. The default is +100Mbit/s (i.e. a link of bandwidth 100Mbit/s or higher will have a +cost of 1. Cost of lower bandwidth links will be scaled with reference +to this cost). This configuration setting MUST be consistent across all routers within the OSPF domain. @@ -289,11 +287,11 @@ network-LSA) from range 10.0.0.0/8. This command makes sense in ABR only. @end deffn -@anchor{OSPF virtual-link} @deffn {OSPF Command} {area @var{a.b.c.d} virtual-link @var{a.b.c.d}} {} @deffnx {OSPF Command} {area <0-4294967295> virtual-link @var{a.b.c.d}} {} @deffnx {OSPF Command} {no area @var{a.b.c.d} virtual-link @var{a.b.c.d}} {} @deffnx {OSPF Command} {no area <0-4294967295> virtual-link @var{a.b.c.d}} {} +@anchor{OSPF virtual-link} @end deffn @deffn {OSPF Command} {area @var{a.b.c.d} shortcut} {} @@ -387,8 +385,15 @@ area. @deffn {OSPF Command} {area @var{a.b.c.d} authentication message-digest} {} @deffnx {OSPF Command} {area <0-4294967295> authentication message-digest} {} -Specify that OSPF packets should be authenticated with MD5 HMACs for the given -area. + +@anchor{area authentication message-digest}Specify that OSPF packets +must be authenticated with MD5 HMACs within the given area. Keying +material must also be configured on a per-interface basis (@pxref{ip +ospf message-digest-key}). + +MD5 authentication may also be configured on a per-interface basis +(@pxref{ip ospf authentication message-digest}). Such per-interface +settings will override any per-area authentication setting. @end deffn @node OSPF interface @@ -400,21 +405,15 @@ Set OSPF authentication key to a simple password. After setting @var{AUTH_KEY}, all OSPF packets are authenticated. @var{AUTH_KEY} has length up to 8 chars. Simple text password authentication is insecure and deprecated in favour of -MD5 HMAC authentication (@pxref{OSPF MD5 HMAC authentication}). +MD5 HMAC authentication (@pxref{ip ospf authentication message-digest}). @end deffn -@anchor{OSPF MD5 HMAC authentication} -@deffn {Interface Command} {ip ospf message-digest-key KEYID md5 KEY} {} -@deffnx {Interface Command} {no ip ospf message-digest-key} {} -Set OSPF authentication key to a cryptographic password. The cryptographic -algorithm is MD5. - -KEYID identifies secret key used to create the message digest. This ID -is part of the protocol and must be consistent across routers on a -link. - -KEY is the actual message digest key, of up to 16 chars (larger strings -will be truncated), and is associated with the given KEYID. +@deffn {Interface Command} {ip ospf authentication message-digest} {} +@anchor{ip ospf authentication message-digest}Specify that MD5 HMAC +authentication must be used on this interface. MD5 keying material must +also be configured (@pxref{ip ospf message-digest-key}). Overrides any +authentication enabled on a per-area basis (@pxref{area +authentication message-digest}). Note that OSPF MD5 authentication requires that time never go backwards (correct time is NOT important, only that it never goes backwards), even @@ -426,19 +425,32 @@ storage and restored at boot if MD5 authentication is to be expected to work reliably. @end deffn +@deffn {Interface Command} {ip ospf message-digest-key KEYID md5 KEY} {} +@deffnx {Interface Command} {no ip ospf message-digest-key} {} +@anchor{ip ospf message-digest-key}Set OSPF authentication key to a +cryptographic password. The cryptographic algorithm is MD5. + +KEYID identifies secret key used to create the message digest. This ID +is part of the protocol and must be consistent across routers on a +link. + +KEY is the actual message digest key, of up to 16 chars (larger strings +will be truncated), and is associated with the given KEYID. +@end deffn + @deffn {Interface Command} {ip ospf cost <1-65535>} {} @deffnx {Interface Command} {no ip ospf cost} {} Set link cost for the specified interface. The cost value is set to router-LSA's metric field and used for SPF calculation. @end deffn -@anchor{ip ospf dead-interval minimal} @deffn {Interface Command} {ip ospf dead-interval <1-65535>} {} @deffnx {Interface Command} {ip ospf dead-interval minimal hello-multiplier <2-20>} {} @deffnx {Interface Command} {no ip ospf dead-interval} {} -Set number of seconds for RouterDeadInterval timer value used for Wait Timer -and Inactivity Timer. This value must be the same for all routers attached -to a common network. The default value is 40 seconds. +@anchor{ip ospf dead-interval minimal} Set number of seconds for +RouterDeadInterval timer value used for Wait Timer and Inactivity +Timer. This value must be the same for all routers attached to a +common network. The default value is 40 seconds. If 'minimal' is specified instead, then the dead-interval is set to 1 second and one must specify a hello-multiplier. The hello-multiplier @@ -491,7 +503,6 @@ The default value is 1 seconds. @node Redistribute routes to OSPF @section Redistribute routes to OSPF -@anchor{OSPF redistribute} @deffn {OSPF Command} {redistribute (kernel|connected|static|rip|bgp)} {} @deffnx {OSPF Command} {redistribute (kernel|connected|static|rip|bgp) @var{route-map}} {} @deffnx {OSPF Command} {redistribute (kernel|connected|static|rip|bgp) metric-type (1|2)} {} @@ -501,10 +512,11 @@ The default value is 1 seconds. @deffnx {OSPF Command} {redistribute (kernel|connected|static|rip|bgp) metric-type (1|2) metric <0-16777214>} {} @deffnx {OSPF Command} {redistribute (kernel|connected|static|rip|bgp) metric-type (1|2) metric <0-16777214> route-map @var{word}} {} @deffnx {OSPF Command} {no redistribute (kernel|connected|static|rip|bgp)} {} -Redistribute routes of the specified protocol or kind into OSPF, with -the metric type and metric set if specified, filtering the routes using -the given route-map if specified. Redistributed routes may also be -filtered with distribute-lists, see @ref{ospf distribute-list}. +@anchor{OSPF redistribute}Redistribute routes of the specified protocol +or kind into OSPF, with the metric type and metric set if specified, +filtering the routes using the given route-map if specified. +Redistributed routes may also be filtered with distribute-lists, see +@ref{ospf distribute-list}. Redistributed routes are distributed as into OSPF as Type-5 External LSAs into links to areas that accept external routes, Type-7 External LSAs @@ -530,11 +542,11 @@ type. If the 'always' keyword is given then the default is always advertised, even when there is no default present in the routing table. @end deffn -@anchor{ospf distribute-list} @deffn {OSPF Command} {distribute-list NAME out (kernel|connected|static|rip|ospf} {} @deffnx {OSPF Command} {no distribute-list NAME out (kernel|connected|static|rip|ospf} {} -Apply the access-list filter, NAME, to redistributed routes of the given type -before allowing the routes to redistributed into OSPF (@pxref{OSPF redistribute}). +@anchor{ospf distribute-list}Apply the access-list filter, NAME, to +redistributed routes of the given type before allowing the routes to +redistributed into OSPF (@pxref{OSPF redistribute}). @end deffn @deffn {OSPF Command} {default-metric <0-16777214>} {} @@ -556,10 +568,9 @@ before allowing the routes to redistributed into OSPF (@pxref{OSPF redistribute} @node Showing OSPF information @section Showing OSPF information -@anchor{show ip ospf} @deffn {Command} {show ip ospf} {} -Show information on a variety of general OSPF and area state and configuration -information. +@anchor{show ip ospf}Show information on a variety of general OSPF and +area state and configuration information. @end deffn @deffn {Command} {show ip ospf interface [INTERFACE]} {} |