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Cisco Bug: CSCsz87714 - Error - L2-ACCT_SVR-7-ISR_FIFO_USAGE_FLAG : ISR FIFO ring buffer usage

Last Modified

Feb 14, 2018

Products (6)

  • Cisco 12000 Series Routers
  • Cisco IOS XR Software
  • Cisco XR 12410 Router
  • Cisco XR 12416 Router
  • Cisco XR 12404 Router
  • Cisco XR 12406 Router

Known Affected Releases

3.8.1.BASE

Description (partial)

Symptom:
 
The error message from accounting server regarding threshold exceeded  may be
seen in the logs
 
Conditions:
 
The DDTS is not specific to any Xconnect id setup and does not require any
trigger. The issue is generic to the MPLS traffic accounting in ingress. We
have a Xconnect Id field in the MPLS Accounting profile, which is required only
in the TX direction. Since this profile is common to both ingress and egress,
we populate this field as 0 in the ingress. This causes the garbage values to
be generated for this field, leading to large no. of entries in the NFTCAM.
This causes the ISR FIFO full.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
  • Related Community Discussions
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