Preview Tool

Cisco Bug: CSCvt04700 - Traffic issue on BVI (reverse direction L3 to L2, L2 to L3 works fine)

Last Modified

Sep 02, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)


In a l2vpn bridge, traffic from BVI interface to ACs are consistently dropped.

A bridge modify event and an AC bind event are triggered back-to-back on a bridge with only 1 BVI interface and 1 PW. This can happen in field if customer has an existing configuration file with bridges and their underlying ACs and load it, and all configurations apply at the same time.
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.