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Cisco Bug: CSCut19134 - ISSU-XR: RP1 VM stuck at Unknown Band in load phase

Last Modified

Aug 06, 2018

Products (1)

  • Cisco Network Convergence System 6000 Series Routers

Known Affected Releases

5.2.3.BASE

Description (partial)

Symptom:For ISSU case:
ISSU will be aborting due to one of the v2 LC vm going down
Issu cleanup wont be clean the v2 vms (thats the sympom).

For all other reload cases:
-> XR LC VM will reload due to below reason and also XR VM on RP will not be coming up properly:
VM_REQUESTED_UNGRACEFUL_RELOAD:Headless SDR-No Boot Server Node

This is because the lead information from the RP will not be propagated to other nodes .

Run the below command from shell on RP
cmp_dbg -s pm 
This will show 0xffffffff for both the Lead and back up lead.

Conditions:issue (where LC VM won't come up) happens during fresh boot of the system. It could be
-> Reload of all XR VMs 
-> Install activate / deactivate of reload smu
-> Fresh boot up of the system
->xR ISSU
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