Preview Tool

Cisco Bug: CSCuw50273 - WS-X4640-CSFP-E drops packets inbound

Last Modified

Sep 12, 2018

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases

15.2(2)E3 15.2(3)E

Description (partial)

HW: module  WS-X4640-CSFP-E on any supported supervisor engine & chassis

1. Linecrard is detected and registered properly:
2. If several interfaces are up on the linecard (e.g. 1/2/1 and 1/2/3)then :
a. MAC address from both ports appear to belong only to one interface
b. multiple CDP neighbors are detected on one interface
c. Traffic from other interfaces of linecard is not forwarded
d. CDP neighbor for connected device may not show up

This issue of traffic distruption and wrong CDP learning happens with Organa line cards with optical sfp connects.
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.