Preview Tool

Cisco Bug: CSCuj98135 - N7K: FP Proxy L2 Learning breaks Proxy L3 Forwarding For Unicast Traffic

Last Modified

Jan 31, 2017

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases

6.2(2a)S20 6.2(5.38)S0

Description (partial)

After configuring Fabricpath Proxy l2 Learning and dynamic mac entries are flushed from the mac table Proxy L3 Routing is affected. Unicast traffic sent from the supervisor or from an M Series line card towards a fabricpath core port may be dropped because the fabricpath Outer Destination Address is misprogrammed during encapsulation.

Nexus 7000 running NX-OS 6.2(2)a in mixed chassis VDC where M1/M2 and F2e modules are used with proxy l2 learning.
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.