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2006-10-15[daemon startup] Add --dry-run/-C argument to daemons, to check config file ↵Paul Jakma
syntax 2006-10-04 Oliver Hookins <ohookins@gmail.com> * bgpd/bgp_main.c: Add configuration check option, with '-C' rather than '-c' for consistency between daemons. * isisd/isis_main.c: ditto * ospf6d/ospf6_main.c: ditto * ospfd/ospf_main.c: ditto * ripngd/ripng_main.c: ditto * vtysh/vtysh_main.c: ditto * ripd/rip_main.c: Change the config check option to '-C' and tidy up the code. * zebra/main.c: ditto 2006-10-04 Stergiakis Alexandros <astergiakis@antcor.com> * ripd/rip_main.c: This trivial patch introduces a new command-line option '-c', which instructs zebra/ripd to check its configuration file for validity, print any error message, and then exit. This is useful when the configuration file is edited by hand or otherwise, and you simply want to validate it without any other effect. * zebra/main.c: ditto
2006-09-25[ospfd] Improve some warning messages.Andrew J. Schorr
2006-09-25 Andrew J. Schorr <ajschorr@alumni.princeton.edu> * ospf_packet.c: (ospf_packet_dup, ospf_make_md5_digest) Fix zlog_warn messages to eliminate compiler warnings. (ospf_hello) Improve warning messages to show why we are complaining.
2006-08-30[ospfd] Fix assertion in DB-exchange fix, hit by ogier-db-ex-opt commitPaul Jakma
2006-08-28 Andy Gay <andy@andynet.net> * ospf_packet.c: (ospf_make_db_desc) Assert added with More-bit fixes does not hold up with addition of Ogier DB-Exchange optimisation, which can empty the db-summary list in between sent DD packets. Remove assert, update More-bit always when in Exchange.
2006-08-27[ospfd] redistribute default no longer works after complete reconfig, fixPaul Jakma
2006-08-27 J.J. Krabbendam <jkrabbendam@aimsys.nl> * ospfd.c: (ospf_finish_final) default redistribute should be unset too, fixes bug where reconfiguring ospfd completely can no longer enable default redistribution.
2006-08-27[ospfd] Bug #134, ospfd should be more robust to backward time changePaul Jakma
2006-08-25 Paul Jakma <paul.jakma@sun.com> * (general) Bug #134. Be more robust to backward time changes, use the newly added libzebra time functions. In most cases: recent_time -> recent_relative_time() gettimeofday -> quagga_gettime (QUAGGA_CLK_MONOTONIC, ..) time -> quagga_time. (ospf_make_md5_digest) time() call deliberately not changed. (ospf_external_lsa_refresh) remove useless gettimeofday, LSA tv_orig time was already set in ospf_lsa_new, called via ospf_external_lsa_new.
2006-08-27[ospfd] draft-ogier-ospf-dbex-opt DB-exchange optimisationPaul Jakma
2006-08-03 Paul Jakma <paul.jakma@sun.com> * ospf_packet.c: (ospf_make_db_desc) Implement draft-ogier-ospf-dbex-opt DB-exchange optimisation.
2006-08-27[ospfd] Raise ExchangeDone earlier, avoid often needless round of DD packetsPaul Jakma
2006-08-03 Paul Jakma <paul.jakma@sun.com> * ospf_packet.c: (ospf_make_db_desc) Unset the DD More bit after constructing the packet, if appropriate. (ospf_db_desc_proc) Speed up Exchange, slave should raise ExchangeDone earlier, as RFC mandates, by forming its reply before deciding whether both sides are done, avoids a needless round of empty DD packet exchanges at the end of Exchange, hence speeding up ExchangeDone. (ospf_db_desc) use UNSET_FLAG macro.
2006-08-27[ospfd] trivial: consolidate LSDB delete code into single functionPaul Jakma
2006-08-04 Paul Jakma <paul.jakma@sun.com> * ospf_lsdb.c: (ospf_lsdb_delete_entry) new function, consolidate exact same functionality replicated in other functions. (ospf_lsdb_add) Strip out code by using ospf_lsdb_delete_entry. (ospf_lsdb_delete) ditto. (ospf_lsdb_delete_all) ditto.
2006-07-27[ospfd] Bug #288: do not change router ID unless forced by manual configurationAndrew J. Schorr
2006-07-27 Andrew J. Schorr <ajschorr@alumni.princeton.edu> * ospfd.c: (ospf_router_id_update) Fix and document the algorithm for selecting the router ID: if there is not a statically configured ID, then stick to the most recent value to avoid disruptive changes. This should fix bug #288.
2006-07-26[ospfd] Allow ospf_lsa_unlock to NULL out callers' LSA pointers upon freePaul Jakma
2006-07-26 Paul Jakma <paul.jakma@sun.com> * ospf_lsa.{c,h}: (ospf_lsa_unlock) Change to take a double pointer to the LSA to be 'unlocked', so that, if the LSA is freed, the callers pointer to the LSA can be NULLed out, allowing any further use of that pointer to provoke a crash sooner rather than later. * ospf_*.c: (general) Adjust callers of ospf_lsa_unlock to match previous. Try annotate 'locking' somewhat to show which 'locks' are protecting what LSA reference, if not obvious. * ospf_opaque.c: (ospf_opaque_lsa_install) Trivial: remove useless goto, replace with return. * ospf_packet.c: (ospf_make_ls_ack) Trivial: merge two list loops, the dual-loop predated the delete-safe list-loop macro.
2006-07-25[ospfd] Additional NSM neighbour state change stats/informationPaul Jakma
2006-07-25 Paul Jakma <paul.jakma@sun.com> * ospf_neigbor.h: (struct ospf_neighbor) Add some additional neighbour state statistics fields, timestamps for progressive and regressive state changes, and pointer to event string for the latter state change. * ospf_nsm.c: (nsm_notice_state_change) Update new state changs history as required. * ospf_vty.c: (show_ip_ospf_neighbor_detail_sub) Print out above new per-neighbour state change stats.
2006-07-11[ospfd] record timestamp and event of last NSM state change for neighbourPaul Jakma
2006-07-10 Paul Jakma <paul.jakma@sun.com> * ospf_nsm.c: (ospf_nsm_event) Record state change timestamp and event in nbr struct. * ospf_neighbor.h: (struct ospf_neighbor) Add fields to record timestamp of last NSM change and event. * ospf_vty.c: (show_ip_ospf_neighbor_detail_sub) Print last state change timestamp and event, if available.
2006-07-11[ospfd] trivial: NSM AdjChange should print event, declutter core functionsPaul Jakma
2006-07-10 Paul Jakma <paul.jakma@sun.com> * ospf_nsm.c: (nsm_notice_state_changes) Move state change logging code to new func to declutter nsm_change_state and ospf_nsm_event. Log event with AdjChange, it's useful to know. (nsm_change_state) move adjchange and snmp logging to previous. (ospf_nsm_event) call nsm_notice_state_changes from here. Move the debug message to entry of function, so it gets out even if something goes wrong.
2006-07-11[ospfd] Remove nsm_reset_nbr and a bunch of useless NSM event/action functionsPaul Jakma
2006-07-10 Paul Jakma <paul.jakma@sun.com> * ospf_nsm.c: (nsm_change_state) call nsm_clear_adj for all adjacency losses, hence removing need for nsm_reset_nbr. (nsm_reset_nbr) kill it, clear_adj in previous does fine. (nsm_kill_nbr,nsm_start) remove nsm_reset_nbr call. (ospf_nsm_event) Allow NSM function to be NULL, this along with removal of nsm_reset_nbr, allows a bunch of now useless functiosn to be removed. Remove some useless variables. (nsm_ignore) now useless, remove. (nsm_bad_ls_req) ditto (nsm_seq_number_mismatch) " (nsm_oneway_received) " (nsm_inactivity_timer) " (nsm_ll_down) " (NSM) replace removed action functions with NULL.
2006-07-11[ospfd] Improve Hello NetworkMask mismatch warning to give more infoAndrew J. Schorr
2006-07-10 Andrew J. Schorr <ajschorr@alumni.princeton.edu> * ospf_packet.c: (ospf_hello) Improve NetworkMask mismatch warning message to include interface name and conflicting prefix lengths.
2006-07-10[ospfd] cleanup NSM neighbour delete through a new Deleted NSM statePaul Jakma
2006-07-07 Paul Jakma <paul.jakma@sun.com> * ospf_nsm.h: Add a NSM_Deleted neighbour state, to act as dummy state indicating the neighbour is to be deleted. * ospf_nsm.c: (general) Use the NSM_Deleted state to delete neighbours, thus allowing code to be slightly more obvious in its flow. (nsm_timer_set) Add NSM_Deleted. Add another timer the code missed. (nsm_kill_nbr) No need for special case call to nsm_change_state anymore. Make the assert and error-handling for same case more readable (Andrew Schorr) Remove the call to ospf_nbr_delete, nsm_change_state can do this generally now via NSM_Deleted. (struct ... NSM) Add the dummy NSM_Deleted state, the 3 events that can lead to nsm_kill_nbr all now transition the NBR to NSM_Deleted and the general change_state function can be left to do the work. (ospf_nsm_event) Special casing of events and early-return can be removed now. On transition into Deleted, delete the nbr. * ospf_dump.c: (ospf_nsm_state_msg) Add Deleted.
2006-07-06[ospfd] early-return in nsm_event missed LLDown event, fixes use after freePaul Jakma
2006-07-06 Paul Jakma <paul.jakma@sun.com> * ospf_nsm.c: (ospf_nsm_event) LLDown event also results in nbr being deleted, requires early-return too. Likely explains some crash reports after interface events.
2006-07-04[ospfd] Apply some simplifications to ospf_nsm, from Andrew's suggestionsPaul Jakma
2006-07-04 Paul Jakma <paul.jakma@sun.com> * ospf_nsm.c: (general) Various small cleanups from Andrew's review of last set of patches. (nsm_timer_set) Loading, Full and default can share same code too. (nsm_should_adj) Can just be one big OR. (nsm_twoway_received) Collapse into return statement.
2006-07-04[ospfd] CID #13, dont try print out fields of LSA we know to be NULL.Paul Jakma
2006-07-02 Paul Jakma <paul.jakma@sun.com> * ospf_lsa.c: (ospf_translated_nssa_refresh) CID #13.
2006-07-04[ospfd] Clear adjacency state for NSM changes down to TwoWay/ExStartPaul Jakma
2006-07-02 Paul Jakma <paul.jakma@sun.com> * ospf_nsm.c: (nsm_clear_adj) clear adjacency related state for a neighbour, needed for some state changes from > ExStart down to ExStart or less, which need not go through nsm_reset_nbr. (nsm_reset_nbr) move code to former. Should be static. (ospf_nsm_event) Remove long dead code. Use nsm_clear_adj for state changes that take down adjacencies to TwoWay/ExStart. (nsm_kill_nbr) Oops, action function shouldn't try return 1 for error.
2006-07-04[ospfd] trivial cleanup of nsm_timer_setPaul Jakma
2006-07-02 Paul Jakma <paul.jakma@sun.com> * ospf_nsm.c: (nsm_timer_set) ls_req timer should be OFF in early states. Compact several identical sections. Set inactivity timer to OFF for Down, for documentary purposes.
2006-07-04[ospfd] Ensure NSM state functions can redirect next_state accidentlyPaul Jakma
2006-07-02 Paul Jakma <paul.jakma@sun.com> * ospf_nsm.c: (ospf_nsm_event) Don't allow action functions to change next_state if the NSM tables do not indicate next_state is conditional, log warning if one tries - existing code appears fine though.
2006-07-04[ospfd] consolidate adjacency check logicPaul Jakma
2006-07-02 Paul Jakma <paul.jakma@sun.com> * ospf_nsm.c: (nsm_should_adj) New function, just consolidate the 10.4 adjacency check from nsm_twoway_received/nsm_adj_ok. (nsm_twoway_received/nsm_adj_ok) Use former.
2006-06-30[ospfd] Fix "show ip ospf neighbor A.B.C.D" to show all matchesAndrew J. Schorr
2006-06-30 Andrew J. Schorr <ajschorr@alumni.princeton.edu> * ospf_vty.c: (show_ip_ospf_neighbor_id) Should show all instances of that neighbor (since it may appear on multiple interfaces) instead of bailing out after showing the first match.
2006-06-30[ospfd] Avoid getting NSM stuck in ExStart by using local view of DR/BDRAndrew J. Schorr
2006-06-29 Andrew J. Schorr <ajschorr@alumni.princeton.edu> * ospf_nsm.c: (nsm_twoway_received) When deciding whether to change from state Init to ExStart, the test for whether the neighboring router is DR or BDR should be against the local router's notion of DR/BDR, not the neighbor's view.
2006-06-29[ospfd] Implement new ospf router subcommand "log-adjacency-changes [detail]"Andrew J. Schorr
2006-06-28 Erik Muller <erikm@internap.com> * ospfd.h: Define 2 new struct ospf config flags: OSPF_LOG_ADJACENCY_CHANGES and OSPF_LOG_ADJACENCY_DETAIL * ospf_nsm.c (nsm_change_state): Log adjacency changes if requested. * ospf_vty.c (ospf_log_adjacency_changes): New command function to implement ospf subcommand "log-adjacency-changes [detail]". (no_ospf_log_adjacency_changes) Turn off log-adjacency-changes. (show_ip_ospf) Show whether adjacency changes are logged. (ospf_config_write) Add "log-adjacency-changes [detail]" to config. (ospf_vty_init) Add ospf_log_adjacency_changes and no_ospf_log_adjacency_changes. * ospfd.texi: Document new ospf router subcommand "log-adjacency-changes [detail]".
2006-06-27[ospfd] Replace redistribution strings with new route_types.h defines.Paul Jakma
2006-05-23 Paul Jakma <paul.jakma@sun.com> * ospf_vty.c: (general) Replace in-place route redistribution command and help strings with the new auto-generated defines from lib/route_types.h
2006-06-26[ospfd] NSSA translate-enabled ABR should declare itself as ASBRPaul Jakma
2006-06-26 Paul Jakma <paul.jakma@sun.com> * ospf_abr.c: (general) NSSA translate-candidate ABRs need to be ASBRs, or other routers may rightfully refuse to install translated type-5s LSAs. reported by dendroot@gmail.com. (ospf_abr_nssa_check_status) Detect change in translator state when ABR, and inc/dec redistribute count as when we leave/enter the disabled state - so that translate-enabled ABR properly sets ASBR bit on non-NSSA areas. Run the resulting function through indent to clean it up. * ospf_lsa.c: (router_lsa_flags) For purposes of ASBR bit, NSSA area is same as stub area.
2006-06-24[ospfd] Improve two info log messages in ospf_snmp.cAndrew J. Schorr
2006-06-24 Andrew J. Schorr <ajschorr@alumni.princeton.edu> * ospf_snmp.c: (ospfTrapNbrStateChange, ospfTrapIfStateChange) Improve info log message to indicate why the trap is being sent.
2006-06-24[ospfd] When writing out config, show "debug ospf nsm status" properlyAndrew J. Schorr
2006-06-24 Andrew J. Schorr <ajschorr@alumni.princeton.edu> * ospf_dump.c: (config_write_debug) Fix typo to show debug ospf nsm status properly (not ism status).
2006-06-18[ospfd] Fix ospf passive-interface subcommand to create interface if necessaryAndrew J. Schorr
2006-06-17 Andrew J. Schorr <ajschorr@alumni.princeton.edu> * ospf_vty.c: ({no_,}ospf_passive_interface) Replace if_lookup_by_name with a call to if_get_by_name -- if the interface does not exist already, it should be created. And remove the obsolete warning message.
2006-06-15[ospfd] Fix multicast membership drop bugPaul Jakma
2006-06-15 Paul Jakma <paul.jakma@sun.com> * Reported by Milan Koci * ospf_interface.h: (struct ospf_if_info) Add reference counts for multicast group memberships. Add various macros to help manipulate/check membership state. * ospf_interface.c: (ospf_if_set_multicast) Maintain the ospf_if_info reference counts, and only actually drop memberships if it hits 0, to avoid losing membership when OSPF is disabled on an interface with multiple active OSPF interfaces. * ospf_packet.c: (ospf_{hello,read}) Use the new macros to check/set multicast membership. * ospf_vty.c: (show_ip_ospf_interface_sub) ditto.
2006-06-15[ospfd] lsdb_delete/discard_from_db should be more robust to bad argsPaul Jakma
2006-05-31 Paul Jakma <paul.jakma@sun.com> * ospf_lsdb.c: (ospf_lsdb_delete) robustify against NULL arguments, print warning. * ospf_lsa.c: (ospf_discard_from_db) ditto. (ospf_maxage_lsa_remover) Check lsa->lsdb for validity, possible mitigation (but not solution) for bug #269.
2006-06-15[ospfd] suppres mostly uninteresting debug message unless debug is setPaul Jakma
2006-05-30 Paul Jakma <paul.jakma@sun.com> * ospf_packet.c: (ospf_read) Debug message about packets received on unenabled interfaces should be conditional on debug being set.
2006-05-12[ospfd] Fix small error in CID #13 commitPaul Jakma
2006-05-13 Paul Jakma <paul.jakma@sun.com> * ospf_lsa.c: (ospf_translated_nssa_refresh) fix the sanity check to match the assert, small error in CID #13 fix.
2006-05-12[ospfd] CID #13, debug for NULL type7 LSA should not print out data from itPaul Jakma
2006-05-12 Paul Jakma <paul.jakma@sun.com> * ospf_lsa.c: (ospf_translated_nssa_refresh) Add non-assert sanity check, in case DEBUG isn't defined. Debug message when no type7 exists should print the ID from the type5, not the type7, fixes CID #13.
2006-05-12[ospfd] CID #15, remove redundant NULL check in ism_change_statePaul Jakma
2006-05-12 Paul Jakma <paul.jakma@sun.com> * ospf_ism.c: (ism_change_state) NULL check on oi->area is useless, it's always valid. Only possibility where it couldn't be is if there is a race between abr_task and cleaning up oi's, in which case a NULL check here isn't going to do anything. Fixes CID #15.
2006-05-12[ospfd] CID #14, NULL check ospf->backbone before use, ospf_update_router_routePaul Jakma
2006-05-12 Paul Jakma <paul.jakma@sun.com> * ospf_ia.c: (ospf_update_router_route) ospf->backbone could be NULL when passed to ospf_find_asbr_route_through_area, check for NULL first, CID #14.
2006-05-12[ospfd] CID #28, remove another ospf_lookup call - ospf_redistribute_withdrawPaul Jakma
2006-05-12 Paul Jakma <paul.jakma@sun.com> * ospf_asbr.c: (ospf_redistribute_withdraw) remove ospf_lookup call by taking the struct ospf * as argument, which the caller has, fixing CID #28. * ospf_asbr.h: (ospf_redistribute_withdraw) update declaration * ospf_zebra.c: (ospf_redistribute_unset) update call to ospf_redistribute_withdraw to match.
2006-05-12[ospfd] CID #27, fix missing NULL return checkPaul Jakma
2006-05-12 Paul Jakma <paul.jakma@sun.com> * ospf_interface.c: (ospf_if_exists) Fix missing NULL return check on ospf_lookup, CID #27.
2006-05-12[ospfd] CID #29, fix missing NULL check by removing unused code.Paul Jakma
2006-05-12 Paul Jakma <paul.jakma@sun.com> * ospf_lsa.c: (ospf_lsa_action) Get rid of the ospf_lookup call, which is not checked for NULL return, by stripping out functionality which is never used, hence fixing Coverity CID #29. (struct lsa_action) remove unused member.
2006-05-12[ospfd] Squash another ospf_lookup callPaul Jakma
2006-05-11 Paul Jakma <paul.jakma@sun.com> * ospf_lsa.c: (ospf_default_originate_timer) Let the thread take (struct ospf *) as thread argument, rather than (struct ospf *)->default_originate, thus avoiding having to call ospf_lookup. * ospf_zebra.c: (ospf_redistribute_default_set) change setup of ospf_default_originate_timer thread to match. * ospfd.c: (ospf_router_id_update) ditto.
2006-05-12[ospfd] Fix leak in area-range-cost command, CID #46.Paul Jakma
2006-05-11 Paul Jakma <paul.jakma@sun.com> * ospf_abr.c: (ospf_area_range_cost_set) Shouldn't create a new range, should just lookup to see if one exists, the new range is just leaked. Fixes CID #46.
2006-05-12[ospfd] CID #49, fix dereference before NULL checkPaul Jakma
2006-05-11 Paul Jakma <paul.jakma@sun.com> * ospf_route.c: (ospf_route_delete_same_ext) Fix deref before NULL check by moving into check-protected block, fix CID #49.
2006-05-11[ospfd] Check NULL result from ospf_area_lookup_by_area_id, CID #69Paul Jakma
2006-05-11 Paul Jakma <paul.jakma@sun.com> * ospf_vty.c: (no_ospf_area_filter_list) Check NULL result from ospf_area_lookup_by_area_id, fixes Coverity CID #69
2006-05-11[ospfd] Fix missing check for ospf_lookup NULL return, CID #70Paul Jakma
2006-05-11 Paul Jakma <paul.jakma@sun.com> * ospf_vty.c: (general) Audit ospf_lookup calls in commands, ensure check for NULL result, make vty messages consistent. (show_ip_ospf_interface) Missing NULL check on ospf_lookup result, fixes Coverity CID #70.
2006-05-04[ospfd] Fix SPF of virtual-linksPaul Jakma
2006-04-24 Paul Jakma <paul.jakma@sun.com> * (general) More Virtual-link fixes, again with much help in testing / debug from Juergen Kammer. Primarily in SPF. * ospf_spf.h: Add guard. ospf_interface.h will include this header. * ospf_interface.h: Modify ospf_vl_lookup definition to take struct ospf as argument, so as to allow for NULL area argument. (struct ospf_vl_data) Remove out_oi, instead add a struct vertex_nexthop, to use as initial nexthop for backbone paths through a vlink. * ospf_interface.c: (ospf_vl_lookup) Modified to allow NULL area to be passed to indicate "any" (first) area. Add extra debug. (ospf_vl_set_params) vl_oi -> nexthop. Add extra debug. (ospf_vl_up_check) Fix debug, inet_ntoa returns a static buffer.. * ospf_route.c: (ospf_intra_add_router) Vlinks dont go through backbone, don't bother checking. * ospf_spf.c: (static struct list vertex_list) Record vertices that will need to be freed. (cmp) Order network before router vertices, as required, wasn't implemented. (vertex_nexthop_free) Mild additional robustness check. (vertex_parent_free) Take void argument, as this function is passed as list deconstructor for vertex parent list. (ospf_vertex_new) More debug. Set deconstructor for parent list. Track allocated vertices on the vertex_list. (ospf_vertex_free) Get rid of the tricky recursive cleanup of vertices. Now frees only the given vertex. (ospf_vertex_add_parent) Fix assert. (ospf_nexthop_calculation) Fix calculation of nexthop for VLink vertices, lookup the vl_data and use its previously recorded nexthop information. (ospf_spf_calculate) Vertices are freed simply by deleting vertex_list nodes and letting ospf_vertex_free as deconstructor work per-node. (ospf_spf_calculate_timer) Trivial optimisation, leave backbone SPF calculation till last to reduce SPF churn on VLink updates. * ospf_vty.c: (ospf_find_vl_data) update call to ospf_vl_lookup (no_ospf_area_vlink_cmd) ditto. (show_ip_ospf_interface_sub) For Vlinks, the peer address is more interesting than the output interface.
2006-04-03[ospfd] Fix virtual-link handling in nbrs route-table, exposed by bug#234 fixPaul Jakma
2006-04-03 Paul Jakma <paul.jakma@sun.com> * (general) Fix issues with handling of Vlinks and entries in the nbrs route-table which were highlighted by the nsm/nbr_self fixes from bug #234. Many thanks to Juergen Kammer for his help and efforts in testing out debug patches to pinpoint the issue. * ospf_interface.c: (ospf_vl_new) Add nbr_self for Vlink. * ospf_neighbor.c: (ospf_nbr_key) new static function, helper to create key in nbrs table for a given nbr. (ospf_nbr_delete) Use ospf_nbr_key. Add an assert() to document an expected state. (ospf_nbr_add_self) Ditto. (ospf_nbr_lookup_by_addr) Add an assert. * ospf_nsm.c: (nsm_kill_nbr) Can never kill the nbr_self psuedo-neighbour.
2006-03-30[ospfd] Fix failure of Fletcher checksum with certain compilersPaul Jakma
2006-03-27 Paul Jakma <paul.jakma@sun.com> * ospf_lsa.c: (ospf_lsa_checksum) Add an explicit cast to avoid the ambiguities of ANSI and C99 C with respect to type conversion. Detailed problem report and test case with example data supplied by Dmitry Ivanov <dimss@telecentrs.lv>.
2006-03-30[ospfd] ignore loopbacks for received interface validationPaul Jakma
2006-03-25 Paul Jakma <paul.jakma@sun.com> * ospf_interface.c: (ospf_if_lookup_recv_if) Ignore loopbacks, we can never ever receive packets on those. Should fix case where CARP is run with address in same subnet as real interface. Problem report and diagnosis thanks to: Landon Fuller <landonf@opendarwin.org>. However, ospf_read() still can't deal deterministically with multiple interfaces in same subnet.