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Cisco Bug: CSCvt81588 - P2P: ads->p2p_app_info NULL logs are genereated when tcp-acceleration is enabled

Last Modified

Jul 13, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5500

Known Affected Releases

21.14.12.74011 21.15.38 21.20.0

Description (partial)

Symptom:
Flood of [p2p 146002 error] logs observed on the node.
Example:

2020-Feb-11+03:24:15.746 SPGW-WAR04 [p2p 146002 error] [4/0/10342 <sessmgr:25> _p2p_analyzer.c:130] [callid 072b1ff8] [context: charging, contextID: 5]  [software internal system syslog] P2P: ads->p2p_app_info NULL
2020-Feb-11+03:24:15.746 SPGW-WAR04 [p2p 146002 error] [4/0/10342 <sessmgr:25> _p2p_analyzer.c:130] [callid 072b1ff8] [context: charging, contextID: 5]  [software internal system syslog] P2P: ads->p2p_app_info NULL

Conditions:
These logs may be observed with TCP traffic when :

1. P2P detection is enabled on the rulebase and configured as:  
active-charging service <service-name>
    rulebase <rulebase-name>
        p2p dynamic-flow-detection

2. SIP/H323 ALG feature is enabled on the rulebase 
          OR
2. TCP acceleration feature is enabled for the active-charging service and is applicable for the same rulebase.
  active-charging service <service-name>
       tcp-acceleration
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