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Cisco Bug: CSCuw47407 - sessmgr CPU spikes when OCS sends Redirect-URL trailing with ?

Last Modified

Jan 09, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

17.2.0.59184 17.3.2 17.6.M0 19.2.d0 19.3.v0 20.0.0 20.0.v0

Description (partial)

Symptom:
sessmgr max CPU bulkstat variable spikes observed on the GW

Conditions:
1) APN is defined with Gy enabled and OCS sends CCA-I or CCA-U with a redirect URL as below

[M] Final-Unit-Indication: 
            [M] Redirect-Server: 
              [M] Redirect-Address-Type: URL (2)
              [M] Redirect-Server-Address: http://www.minternet.telcel.com/balance/?profile=PRE&roaming=0?
            [M] Final-Unit-Action: REDIRECT (1)
          [M] Rating-Group: 5

when many such UE's gets redirected by Gy thru redirect-URL trailling with "?" which is follwed by UE  sending HTTP req with redirect-url having '?" ,  sessmgr cpu spikes are observed.
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