Guest

Preview Tool

Cisco Bug: CSCuq61877 - L2 Control frames (LACP/CDP/LLDP/CFS etc.) not egress out of the switch

Last Modified

Nov 04, 2020

Products (1)

  • CiscoPro Workgroup EtherSwitch Software

Known Affected Releases

7.0(3)N1(0.125) 7.1(0)N1(0.317)

Description (partial)

Symptom:
N5600 or N6k may potentially see no L2 Control PDU's like, LACP/CDP/STP/LLDP/CFS egress out of network ports.

Conditions:
Not exactly known, however in this case SUP ASIC packet buffers are seen stuck. Could be verified using CLI:
show hardware internal buffer info pkt-stats asic-num 0
SUP_HI/SUP_LO has cell count not moving
Bug details contain sensitive information and therefore require a Cisco.com 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.