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Cisco Bug: CSCuq57915 - BGP updates are exchanged continuously even after network settled down

Last Modified

Feb 13, 2018

Products (17)

  • Cisco IOS
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901-6CZ-FT-A Router
  • Cisco ASR 901-12C-FT-D Router
  • Cisco 7600 Series Route Switch Processor 720 with 10 Gigabit Ethernet Uplinks
  • Cisco ASR 901-6CZ-FT-D Router
  • Cisco ME 3600X-24CX-M Switch
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Known Affected Releases

15.3(3)S

Description (partial)

Symptom:
BGP updates are exchanged continuously even after networked settled down.
Because of this exchange, CPU utilization goes high.

Conditions:
We need the following configurations but minimum conditions are not know yet.

- Route Reflector
- "maximum-paths ibgp"
- "bgp additional-paths install"
- "bgp advertise-best-external"
- "soft-reconfiguration inbound"
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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