Preview Tool

Cisco Bug: CSCsz69977 - intf remains in UP/DOWN state after ifmgr restart

Last Modified

Jan 07, 2017

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases


Description (partial)


An interface is in up/down state in show interfaces when it ought to be up/up. i.e

POS0/0/0/0/19 is up, line protocol is down 

To check whether this bug has been hit run the following command: 

show im database verbose interface <ifname>

If you see the following combination of output for the basecaps, then this problem has been hit.

  None            fr (down, 4474)
      State (constraint):   UP (UP) 


This problem occurs if the interface is in up/down state when the local ifmgr process restarts. After that point it will not come back to up/up.
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.