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Last reset at 652672 usecs after Sat May 30 17:01:35 2015
Reason: Reset triggered due to HA policy of Reset
System version: 7.0(3)N1(1)
Service: pfstat hap reset
This is the 1st time I've seen this as the reason for a Nexus reboot/crash.
Communicated to Cisco.
The traffic was taken over by gra1-24b-n56 during the reboot.
However, there's a lot of inconsistency on the VPC after switching back.
gra1-24b-n56# sh vpc | i fail
101377 Eth100/1/2 up failed Compatibility check failed -
101380 Eth100/1/5 up failed Compatibility check failed -
101383 Eth100/1/8 up failed Compatibility check failed -
101384 Eth100/1/9 up failed Compatibility check failed -
101395 Eth100/1/20 up failed Compatibility check failed -
gra1-24b-n56# sh vpc | i fail | count
390
1/3 of the ports are impacted...
It's caused by a known bug which causes the 2 switches to not see the port at the same speed. It was patched in the latest version of NXOS.
gra1-24b-n56# sh vpc consistency-parameters interface Eth120/1/39
Legend:
Type 1 : vPC will be suspended in case of mismatch
Name Type Local Value Peer Value
------------- ---- ---------------------- -----------------------
Speed 1 10 Mb/s 1000 Mb/s <<<<<<<
Duplex 1 full full
Port Mode 1 trunk trunk
Native Vlan 1 6 6
MTU 1 1500 1500
Admin port mode 1 pvlan trunk sec pvlan trunk sec
Shut Lan 1 No No
vPC card type 1 Empty Empty
Allowed VLANs - 101,413 101,413
Local suspended VLANs - 101,413 -
I will update all the ports to fix the issue.
Update(s):
Date: 2015-06-01 10:04:33 UTC gra1-24a-n56# sh vpc | i fail | count
0
all done
Date: 2015-06-01 10:04:25 UTC gra1-24a-n56# sh vpc | i fail | count
93
Date: 2015-06-01 10:04:19 UTC gra1-24a-n56# sh vpc | i fail | count
228