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Cisco Bug: CSCup99553 - ASR9K forwarding is disabled after few fib_mgr crashes on the LC

Last Modified

Aug 07, 2018

Products (8)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco IOS XR Software
  • Cisco ASR 9922 Router
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9912 Router

Known Affected Releases

5.2.0.FWDG 5.2.2.FWDG 5.3.0.FWDG 5.3.1.BASE 5.3.1.FWDG

Description (partial)

Forwarding and ping failures are seen on ASR9K Ethernet LCs after certain number of fib_mgr crashes.

"show cef <prefix> location <LC>" results in a SysDB error of the following form:
Sysdb returned err code 'sysdb' detected the 'warning' condition 'A SysDB client tried to access a nonexistent item or list an empty directory' for item name 821/protocol/0/vrf/default/interface-info/0/40300c0. VRF default

fib_mgr process on Ethernet LCs crashes around 9-10 times.
The ASR9K or ASR9001 is running IOS-XR version 5.2.0
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