Cisco Bug: CSCvu08077 - TTL value breaks BFD process on ACI enabled leaf in 4.2(3l)
Jun 02, 2020
- Cisco Application Policy Infrastructure Controller (APIC)
Known Affected Releases
Symptom: BFD process will not start on border leaf after modifying ttl value in ebgp configuration inside the l3out interface profile. see summary above and the following internal post: https://search-prd.cisco.com/topic/news/cisco/cs/as-aci-group/dsc21094.html It seems that if you touch the ttl value the bfd process/session won't start. In my case the customer increased it, then decreased it to the supported value, but the process still would not start. Conditions: if the TTL value gets modified in any way shape or form the bfd process seems to get blocked.
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