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Cisco Bug: CSCtc43018 - MLP : Traffic stops completely on oversubscribing link for few minuts

Last Modified

Mar 06, 2018

Products (1)

  • Cisco 7600 Series Routers

Known Affected Releases

12.2(33)SRC4

Description (partial)

Symptom:
 
 Traffic stops flowing through the multilink bundle on CT3/CHOC3-STM1 spa on
sip400. Logs will be showing error messages SPA_CHOC_DSX-3-HDLC_CTRL_ERR 
Traffic would resume after shut/no shut on affected multilink. 
Prominently seen with SRD3 and fixed in SRD4. 
 Conditions:
 
With oversubscribing/line rate/bursty traffic egressing through the bundle for some time, this condition would be hit.
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