Guest

Preview Tool

Cisco Bug: CSCup01088 - CPUHOG and crash on 'clear dmvpn session' with large NHRP cache

Last Modified

Oct 14, 2019

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.2(4)S1

Description (partial)

Symptom:
On an ASR 1000 Series Aggregation Services Router configured with DMVPN, CPUHOG messages may be observed after 'clear dmvpn session' is invoked.

In certain cases, this may lead to a watchdog timeout and an unexpected reboot of the router.

Conditions:
This issue is observed when a router has a very large NHRP table (10-20k entries or more) with a large number (thousands) of child entries per parent entry.
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.