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Cisco Bug: CSCus18209 - VLAN translation after Non-disruptive ISSU to 7.1(0)N1() image

Last Modified

Feb 23, 2018

Products (1)

  • Cisco Nexus 6000 Series Switches

Known Affected Releases

7.1(0)N1(0.426) 7.1(0)N1(0.435)

Description (partial)

Symptom:
After a non disruptive ISSU, FEX fabric interfaces continuously flap after VLAN translation is configured on either an ST or AA FEX.

A "show interface" for the FEX fabric interface(s), that continually flap, indicates an (SDP timeout/SFP mismatch).

Conditions:
Non-disruptive ISSU to Iluka Plus release followed by VLAN translation configuration on a FEX fabric interface..

Related Community Discussions

Nexus 6004 upgrade nightmare
I have now had 2 weekends ruined by a botched ISSU upgrade on 2 pairs of nexus 6004.  We are going from 6.0.2.N2.2 to 7.0.5.N!.1 and each time I encountered a bug.  Last week it was an igmp snooping bug.  Turn off igmp snooping and it will be fine.  So this week I did that and no, it wasnt fine.  I hit a new bug regarding sending BPDUs down dual sided VPCs (ouch).  Thank you very much.  Has anyone else had these kinds of problems with ISSU upgrades?  Im have done 15 pairs of 5ks in the last 2 months...the ...
Latest activity: Apr 19, 2015
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