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Cisco Bug: CSCuq99905 - Communication down between PTF and PTM during upgrade(CSCuq28829)

Last Modified

Feb 26, 2015

Products (1)

  • Cisco Carrier Packet Transport (CPT) System

Known Affected Releases

9.701

Description (partial)

Symptom:
REP din't come up on PRC side after moving from build85 to 91.

Conditions:
Build-number:
**************** 
NEPTUNE_BUILD_85 to NEPTUNE_BUILD_91

Topology:
*********** 
DH closed Ring  with 3 PBRs

PFA

Steps to recreate:
*****************

1. Have a setup as mentioned.
2. Have some scale configurations in all nodes and PBRs.
3. download build 91 and activate the build.
4. while Nodes are getting upgraded , observe IPC error messages in PTF console of PRC and once Nodes are 
upgraded Observe REP is in down state.


tried reloading the Card on which Rep port was configured and also tried reloading the PBR on west side still REP was not converged.

Scenario 2
**************
Topology Used - 12-Node setup
1) All nodes were at 9.537 in IOS mode and services, traffic are up
2)N7(GNE) and N8(ENE) nodes have AR-XP,MXP and OTU2XP cards.
3)Upgraded to 9.701,,2 GNE nodes followed by 10 ENE Nodes .

Observed in one ENE Node, PTM was not upgrade to 9.701

*Communication down between PTF and TNC during upgrade (after PTF take over as Active).
*Due to this, the PTF sending reset to PTM failed.
*This reset doesn't have a retransmit.
*Since the PTM did not reset after predownload of image, it didn't come up at all.
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