Guest

Preview Tool

Cisco Bug: CSCus86256 - uCode crash when MPLS packet received on LAN side of AppNav intercept

Last Modified

Feb 01, 2017

Products (1)

  • Cisco 4400 Series Integrated Services Routers

Known Affected Releases

15.4(2)S2.1 15.4(3)S1.15 15.5(1)S 15.5(2)S

Description (partial) 

Symptom:
Router may experience a crash in CPP microcode (uCode) and will subsequently reload.

Conditions:
This has been seen in ISR 4000 based AppNav deployments with AppNav interception ('service-injection waas') enabled on one or more interfaces. It is also necessary to have MPLS enabled on one or more interfaces.

The crash is known to occur when the router receives a labelled packet on any ingress interface and then forwards it (with a label still attached) out an interface with AppNav interception enabled.
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.