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Cisco Bug: CSCun31655 - port channel going to STP set port state failure with pixm errors

Last Modified

Feb 06, 2017

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases


Description (partial)

Port channel goes in to "STP set port state failure" after reload off of a vpc primary switch. Following pixm errors are displayed on console.

2014 Feb 22 14:20:45 v6-n9508-agg1 %PIXM-3-PIXM_SYSLOG_MESSAGE_TYPE_ERR: Process:VDC-1-pixm_vl.Please collect show tech pixm-all, show tech pixmc-all .TCB_RID:0xef,TXN_Type:40,Status:0x408c0008,Error_Type:0x1b.
2014 Feb 22 14:20:45 v6-n9508-agg1 %STP-2-SET_PORT_STATE_FAIL: Port state change req to PIXM failed, status = 0x408c0008 [sequence timeout] vdc 1, tree id 0, num ports 8, ports  state FWD, opcode MTS_OPC_PIXM_SET_MULT
_CBL_VLAN_BM_FOR_MULT_PORTS, msg id (74550), rr_token 0x12336

reloading off of a N9508 L2 switch with back to back VPC and follwing csale.
vlan: 2K
MAC : 52K
SPT logical port count: 44K
VPC : 20
SPT algorithm: MSTP
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