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Cisco Bug: CSCum20963 - XR OFA - chk_update_client_cb not received for seq_num

Last Modified

Aug 01, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

5.1.2.BASE

Description (partial)

Symptom:
Openflow flow programming of cisco asr9k router stalls.  If the openflow controller is waiting for barrier response, that response will never be sent by the router's openflow plug-in.  If the controller does send a new flow request, however, the condition will be cleared up.
show checkpoint dynamic process of_agent
- will show at least one entry persisting  in table 4 (pending flows).  This table should only contain inflight flow requests.
show openflow switch all internal ovs module plif_onep
- will show a flow stuck in add_ha_sync or del_ha_sync state.

Conditions:
openflow controller flow requests not responded to by openflow plug-in.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
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