Guest

Preview Tool

Cisco Bug: CSCuw49968 - Stale veth entries On UCS FI

Last Modified

Nov 23, 2017

Products (1)

  • Cisco Unified Computing System

Known Affected Releases

2.2(1d)A

Description (partial)

Symptom:
After chassis / blade is decommissioned, veths for the same can still be seen on the nxos in VLAN 4047.

SSH into UCSM
UCSM # connect nxos
UCSM (nxos) #show interface brief | grep 4047

--------------------------------------------------------------------------------
Vethernet     VLAN   Type Mode   Status  Reason                    Speed
--------------------------------------------------------------------------------
Veth77        4047   virt trunk  down    BoundIfDown              auto   
Veth79        4047   virt trunk  down    BoundIfDown              auto    
Veth85        4047   virt trunk  down    BoundIfDown              auto    
Veth87        4047   virt trunk  down    BoundIfDown              auto    
Veth2478      4047   virt trunk  down    BoundIfDown              auto    
Veth2480      4047   virt trunk  down    BoundIfDown              auto    
Veth2557      4047   virt trunk  down    BoundIfDown              auto    
Veth2558      4047   virt trunk  down    BoundIfDown              auto

These veth(s) are mapped to VLAN 4047 which is a reserved VLAN.

Conditions:
Issue occurs after blades/chassis is decommissioned.
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.