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Cisco Bug: CSCuq19807 - CPU hog due to MPLS TP MGMT and contly flap during upgrade in 9.701

Last Modified

Feb 03, 2017

Products (1)

  • Cisco Carrier Packet Transport (CPT) System

Known Affected Releases


Description (partial)

CPU hog due to MPLS TP MGMT and continuosly flapping during the upgrade in 9.701

Had a Dual home  setup has below with minmal scale: 
	Node (A) -------PBR(A) --------------PBR(B)------------------PBR(C)---------Node (B)---(con)-----Node (A) 

a.	Over 60 TP tunnels and 800 VPWS and few VPLS
b.	Upgraded from 9.701 (build 83) to 9.701 (build85) with minaml traffic running (Less than 10% of the line rate)
c.	Observed all the PBR are started to flap due to CPU hog  (MPLS TP MGMT evnt)

Attached the mail thread , Running config, Console logs (with Available buffer) & DB
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