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Delay restore and Auto-recovery Inconsistency on vPC

myanuary
Level 1
Level 1

Hi all,

 

I want to ask some question abaout problem that happen in our UAT earlier.. We follow recommendation on Cisco to set "delay-restore" and "auto-recovery" below "vpc domain x" configuration.. But we think there is some inconsistency, we don't know if this is bug, or "normal".. Maybe someone have experienced the same case like we have..

This is the configuration (2 Nexus 5468 with OS 7.0(5)N1(1) ):

!Command: show running-config vpc all
!Time: Wed Feb 11 17:08:21 2015

version 6.0(2)N1(2)
feature vpc

vpc domain 130
  role priority 1000
  system-priority 1000
  peer-keepalive destination 192.168.151.2 source 192.168.151.1 udp-port 3200 vrf management interval 1000 timeout 5 precedence 6  hold-timeout 3
  no peer-config-check-bypass
  delay restore 30
  no dual-active exclude interface-vlan
  no peer-gateway
  no auto-recovery
  delay restore interface-vlan 10
  graceful consistency-check
  no fabricpath switch-id

We've set delay restore to minomum (30), so when primary operational vpc reload, there is no RTO.. But "magically", the delay restore value change to 150..! We've try this so many times, so we decided to change the value to 35, and its working, and after reload it is still 35...

 

Second, for auto-recovery, we've set it to default (no auto-recovery), so when peer-link and keep-alive shutdown in primary, connection still up.. But after no shut the port (keep-alive and peer-link), then we reload the primary / secondary, after we type "sh run vpc all", the auto-recovery is enabled with value 240.. Another "magic" or bug ?!  XD

If anyone have the same problem or experienced this, please share your story or let us know on comment below... :)

 

Thanks,

MY

 

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