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mirror_frr/isisd
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Emanuele Di Pascale 3cbe31c798 isisd: guard against adj timer display overflow 
An adjacency should be removed when the holdtimer expires, but if the
system is overloaded we may end up doing it late. In the meanwhile vtysh
will display an incorrect value in the show isis neighbor output, due to
an overflow of the unsigned variable used to display the Holdtime, e.g.:

pe1# show isis neighbor
Area test:
 System Id     Interface   L   state   Holdtime  SNPA
 Spirent-1     2.201       1   Down    26        2020.2020.2020
 Spirent-1     2.203       1   Up      21        2020.2020.2020
 Spirent-1     2.204       1   Up      18446744073709551615  2020.2020.2020
 Spirent-1     2.207       1   Up      18446744073709551615  2020.2020.2020
 Spirent-1     2.208       1   Up      18446744073709551615  2020.2020.2020
 Spirent-1     2.209       1   Up      0         2020.2020.2020
 Spirent-1     2.210       1   Up      18446744073709551615  2020.2020.2020
 pe2           12.200      1   Up      30        2020.2020.2020

Guard against that by printing an "Expiring" message instead.

Signed-off-by: Emanuele Di Pascale <emanuele@voltanet.io>
2020-09-25 13:06:57 +02:00
..
.gitignore *: cleanup .gitignore files 2018-09-08 21:30:42 +02:00
AUTHORS Add support of Traffic Engineering to IS-IS 2016-09-03 11:05:50 -04:00
fabricd.c isisd: add abiliy to compute the reverse shortest path tree 2020-08-26 20:16:19 -03:00
fabricd.conf.sample fabricd: add new daemon as build of isisd 2018-09-05 11:38:12 +02:00
fabricd.h *: use the current project name (FRRouting) 2020-03-25 17:38:56 -04:00
isis_adjacency.c isisd: guard against adj timer display overflow 2020-09-25 13:06:57 +02:00
isis_adjacency.h isisd: introduce per-area list of IS-IS adjacencies 2020-08-11 01:07:11 -03:00
isis_bfd.c isisd : Transformational changes to support different VRFs. 2020-08-14 13:46:22 -07:00
isis_bfd.h *: add BFD profile support for IS-IS 2020-07-10 11:28:43 +00:00
isis_bpf.c *: un-split strings across lines 2020-07-14 10:37:25 +02:00
isis_circuit.c Merge pull request #6789 from volta-networks/feat_ldp_igp_sync 2020-09-11 15:55:04 -03:00
isis_circuit.h isisd: ldp-igp-sync feature: adding isis support 2020-09-09 14:38:44 -04:00
isis_cli.c Merge pull request #7095 from donaldsharp/coverity_5 2020-09-11 22:07:56 -05:00
isis_common.h *: use C99 standard fixed-width integer types 2018-03-27 15:13:34 -04:00
isis_constants.h isisd: add send_hello_sched function 2018-12-04 16:13:24 +01:00
isis_csm.c isisd : Transformational changes to support different VRFs. 2020-08-14 13:46:22 -07:00
isis_csm.h *: reindent 2017-07-17 14:04:07 +02:00
isis_dlpi.c *: un-split strings across lines 2020-07-14 10:37:25 +02:00
isis_dr.c isisd : Transformational changes to support different VRFs. 2020-08-14 13:46:22 -07:00
isis_dr.h isisd: reduce code duplication for levels 2018-12-04 12:49:25 +01:00
isis_dynhn.c tests, isisd: add IS-IS SPF unit tests 2020-08-26 20:16:19 -03:00
isis_dynhn.h tests, isisd: add IS-IS SPF unit tests 2020-08-26 20:16:19 -03:00
isis_errors.c isisd: add support for segment routing 2020-04-30 12:15:47 +02:00
isis_errors.h isisd: add support for segment routing 2020-04-30 12:15:47 +02:00
isis_events.c isisd: fix pseudonode LSP bug 2020-09-14 09:39:21 +02:00
isis_events.h isisd: Replace isis_event_adjacency_state_change with a hook 2018-10-05 14:05:28 +02:00
isis_flags.c *: use C99 standard fixed-width integer types 2018-03-27 15:13:34 -04:00
isis_flags.h *: use C99 standard fixed-width integer types 2018-03-27 15:13:34 -04:00
isis_ldp_sync.c isisd: updates to ldp-sync isis commands 2020-09-18 20:01:35 -04:00
isis_ldp_sync.h isisd: ldp-igp-sync feature: adding isis support 2020-09-09 14:38:44 -04:00
isis_lsp.c isisd: introduce two LSP iteration functions 2020-08-26 20:16:19 -03:00
isis_lsp.h isisd: introduce two LSP iteration functions 2020-08-26 20:16:19 -03:00
isis_main.c Merge pull request #6789 from volta-networks/feat_ldp_igp_sync 2020-09-11 15:55:04 -03:00
isis_memory.c isisd: unify isis_nexthop and isis_nexthop6 into a single struct 2019-08-21 01:04:03 -03:00
isis_memory.h isisd: unify isis_nexthop and isis_nexthop6 into a single struct 2019-08-21 01:04:03 -03:00
isis_misc.c tests, isisd: add IS-IS SPF unit tests 2020-08-26 20:16:19 -03:00
isis_misc.h isisd: minor cleanup 2020-08-26 20:16:19 -03:00
isis_mt.c *: remove PRI[udx](8|16|32) 2020-07-14 10:43:40 +02:00
isis_mt.h *: use the current project name (FRRouting) 2020-03-25 17:38:56 -04:00
isis_nb_config.c isisd: Prevent usage after free 2020-09-24 07:56:13 -04:00
isis_nb_notifications.c isisd: split northbound callbacks into multiple files 2019-10-29 21:49:14 -03:00
isis_nb_state.c isisd, yang: move IS-IS interface state data to the appropriate place 2020-05-15 23:47:43 -03:00
isis_nb.c Merge pull request #6789 from volta-networks/feat_ldp_igp_sync 2020-09-11 15:55:04 -03:00
isis_nb.h Merge pull request #6789 from volta-networks/feat_ldp_igp_sync 2020-09-11 15:55:04 -03:00
isis_network.h *: use C99 standard fixed-width integer types 2018-03-27 15:13:34 -04:00
isis_pdu_counter.c Minor adjustments to address CI warnings 2018-12-12 00:23:23 +00:00
isis_pdu_counter.h isisd: Provide statistics about sent/received PDU count 2018-12-07 19:45:14 +00:00
isis_pdu.c isisd : Transformational changes to support different VRFs. 2020-08-14 13:46:22 -07:00
isis_pdu.h isisd: Add debug output for tx-queues 2018-12-07 19:45:14 +00:00
isis_pfpacket.c *: un-split strings across lines 2020-07-14 10:37:25 +02:00
isis_redist.c isisd : Transformational changes to support different VRFs. 2020-08-14 13:46:22 -07:00
isis_redist.h isisd : Transformational changes to support different VRFs. 2020-08-14 13:46:22 -07:00
isis_route.c isisd: improve route-event logs 2020-09-14 09:40:10 +02:00
isis_route.h isisd: add support for segment routing 2020-04-30 12:15:47 +02:00
isis_routemap.c *: make all route_map_rule_cmd const 2019-11-30 00:38:32 +01:00
isis_routemap.h *: reindent 2017-07-17 14:04:07 +02:00
isis_spf_private.h isisd: add abiliy to compute the reverse shortest path tree 2020-08-26 20:16:19 -03:00
isis_spf.c isisd: add abiliy to compute the reverse shortest path tree 2020-08-26 20:16:19 -03:00
isis_spf.h isisd: add abiliy to compute the reverse shortest path tree 2020-08-26 20:16:19 -03:00
isis_sr.c isisd: minor cleanup 2020-08-26 20:16:19 -03:00
isis_sr.h isisd: Start Label Manager safer 2020-06-23 16:36:56 +02:00
isis_te.c isisd: minor cleanup 2020-08-26 20:16:19 -03:00
isis_te.h isisd: Update TLVs processing for TE, RI & SR 2019-09-17 17:35:50 +02:00
isis_tlvs.c isisd: fix OpenBSD pedantic format warnings 2020-07-14 12:02:54 +02:00
isis_tlvs.h isisd: Segment Routing improve subTLVs parser 2020-06-23 19:20:39 +02:00
isis_tx_queue.c ISIS VRF: ISIS Debug structure modifications 2020-06-24 14:45:06 +05:30
isis_tx_queue.h *: use the current project name (FRRouting) 2020-03-25 17:38:56 -04:00
isis_vty_fabricd.c isisd : Transformational changes to support different VRFs. 2020-08-14 13:46:22 -07:00
isis_zebra.c Merge pull request #6789 from volta-networks/feat_ldp_igp_sync 2020-09-11 15:55:04 -03:00
isis_zebra.h doc, yang, isisd : Support for different VRF in isisd 2020-09-01 00:48:05 -07:00
isisd.c Merge pull request #6789 from volta-networks/feat_ldp_igp_sync 2020-09-11 15:55:04 -03:00
isisd.conf.sample
isisd.h Merge pull request #6789 from volta-networks/feat_ldp_igp_sync 2020-09-11 15:55:04 -03:00
iso_checksum.c *: use C99 standard fixed-width integer types 2018-03-27 15:13:34 -04:00
iso_checksum.h *: use C99 standard fixed-width integer types 2018-03-27 15:13:34 -04:00
Makefile build: non-recursive isisd 2017-08-04 11:09:50 +02:00
README More cleanup in isisd. 2005-01-01 21:12:56 +00:00
subdir.am isisd: ldp-igp-sync feature: adding isis support 2020-09-09 14:38:44 -04:00

README 

Constraints

  o Maximum number of interfaces 255