Preview Tool

Cisco Bug: CSCun43331 - ASR9k LC bootup cause 19 sec mcast traffic drop

Last Modified

Jul 20, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)

Upon ASR9k LC bootup, PIM and MRIB are all updated with new RPF, but MFIB took 18-19 sec to get programmed.

The MFIB platform init call is taking a long time to complete and that intrudes into the control plane convergence time. We see the following in the traces:
Feb 27 18:33:02.813 mfwd/ipv4_mfwd_partner 0/0/CPU0 t1  MFWD started..
Feb 27 18:33:07.143 mfwd_ipv4_hw/init 0/0/CPU0 t1  Initialized EDM backend
Feb 27 18:33:26.273 mfwd_ipv4_hw/init 0/0/CPU0 t1  Initialized fabric and registered with MGID programmer
Feb 27 18:33:27.090 mfwd_ipv4_hw/init 0/0/CPU0 t1  Initialized uIDB manager
Feb 27 18:34:34.032 mfwd_ipv4_hw/init 0/0/CPU0 t1  Initialized connection to PRM
Feb 27 18:34:51.285 mfwd_ipv4_hw/event 0/0/CPU0 t1  PRM NP State change: Event: Running; New state: Running; Previous state: Unknown State

Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.