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Cisco Bug: CSCvu55919 - inject packets with IMTH2 + PTCH header are incorrectly treated as MPLS packets and dropped at NPU.

Last Modified

Oct 14, 2020

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

6.5.31.BASE

Description (partial)

Symptom:
Memberlink of Bundle gets stuck in defaulted state.

e0/0/0/7/3           Local            Standby      0xc350, 0x0005    10000000
      Link is Standby due to maximum-active links configuration
  Te0/9/0/5/2           Local            Configured   0x9c40, 0x0006    10000000
      Link is Defaulted; LACPDUs are not being received from the partner
  Te0/9/0/5/3           Local            Configured   0x9c40, 0x0007    10000000
      Link is Defaulted; LACPDUs are not being received from the partner

Conditions:
ISSUE is specific to Scapa(NCS4k) Platform for development release 6.5.31 only


Issue is seen with SDR reload/Router reload  triggered when traffic is running through the system.
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