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Cisco Bug: CSCvv70561 - P2P TikTok app detection issues

Last Modified

Sep 30, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.20.2

Description (partial)

Symptom:
Issue with TikTok detection: translations are not detected, avatars are not uploaded (50\50) and audio has bad detection rare ~50%.

Conditions:
ruledef DEF_TIKTOK_GPRS_QOS_UNLIM
p2p protocol = tiktok
#exit
    
ruledef DEF_4_GPRS_QOS_UNLIM
ip any-match = TRUE
#exit
    
rulebase GPRS_QOS_UNLIM
action priority 961 dynamic-only ruledef DEF_TIKTOK_GPRS_QOS_UNLIM charging-action DEF_TIKTOK_GPRS_QOS_UNLIM_ca monitoring-key 825766967
action priority 1130 dynamic-only ruledef DEF_4_GPRS_QOS_UNLIM charging-action DEF_4_GPRS_QOS_UNLIM_ca monitoring-key 825241652
From Traces and show active charging outputs we find more packets are getting match under ruledef - DEF_4_GPRS_QOS_UNLIM but there are packets as well whcih are getting matched under 
DEF_TIKTOK_GPRS_QOS_UNLIM ruledef.
Ruledef Name          Pkts-Down Bytes-Down    Pkts-Up   Bytes-Up       Hits Match-Bypassed
-------------------- ---------- ---------- ---------- ---------- ---------- --------------
DEF_4_GPRS_QOS_UNLIM       8341   11029703       4603     408891      12601           7069
DEF_TIKTOK_GPRS_QOS_UNLIM       6739    8620807       3791     567255      10323           9883
DNS-FREE_cr                  95      21862         99       6850        194              0
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