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Cisco Bug: CSCvt27569 - Not all nodes distributed from ISIS to BGPLS

Last Modified

Sep 10, 2020

Products (13)

  • Cisco IOS
  • Cisco Catalyst 9130AXE Access Point
  • Cisco Catalyst 9115AXI Access Point
  • Cisco Catalyst 9120AXE Access Point
  • Cisco Catalyst 9117AXI Access Point
  • Cisco Embedded Wireless Controller on Catalyst 9115AX Access Points
  • Cisco Embedded Wireless Controller on Catalyst 9120AX Access Points
  • Cisco Embedded Wireless Controller on Catalyst 9117AX Access Points
  • Cisco Catalyst 9120AXP Access Point
  • Cisco Catalyst 9115AXE Access Point
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Known Affected Releases

16.6.4 17.3.1

Description (partial)

ISIS nodes are seen is ISIS database, but not in BGPLS.

Symptom of the problem:

router#show isis distribute-ls
ISIS distribute link-state: configured
distls_levels:0x3, distls_initialized:1,
distls_instance_id:33, distls_throttle_delay:10
LS DB: ls_init_started(1) ls_initialized(0)
Expected values are:
ls_init_started(0) ls_initialized(1)

Initial configuration, problem does not happen when feature starts properly.

Large scale.

LSLIB traces 'show lslib trace fast' and 'show lslib trace slow' show that ISIS starts to report nodes when distribute link-state is configured, but stops without reporting all of them and never updates LSLIB again.
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