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OPERATIONAL DEFECT DATABASE
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All VL0 to 7 counters of "GD uSecs VLx is in internal pause tx state" goes up (where "x" is 0-7) irrespective of which COS value is negotiated for Pause. |------------------------------------------------------------------------| | Device:Clipper MAC Role:MAC Mod: 2 | | Last cleared @ Fri Apr 26 02:25:02 2019 | Device Statistics Category :: CONGESTION |------------------------------------------------------------------------| Instance:11 Cntr Name Value Ports ------ ---- ----- ----- 6177 GD Transmitted frames with CBFC Ethertype 0000000000002868 48 - 6198 GD tx frames with pause opcode for VL3 0000000000002868 48 - 6216 GD tx pause transitions of XOFF-XON VL3 0000000000001434 48 - 6221 GD uSecs port is in internal pause tx state 0000000004691692 48 - 6222 GD uSecs VL0 is in internal pause tx state 0000000004691689 48 - 6223 GD uSecs VL1 is in internal pause tx state 0000000004691686 48 - 6224 GD uSecs VL2 is in internal pause tx state 0000000004691035 48 - 6225 GD uSecs VL3 is in internal pause tx state 0000000004691029 48 - 6226 GD uSecs VL4 is in internal pause tx state 0000000004691026 48 - 6227 GD uSecs VL5 is in internal pause tx state 0000000004691023 48 - 6228 GD uSecs VL6 is in internal pause tx state 0000000004691020 48 - 6229 GD uSecs VL7 is in internal pause tx state 0000000004691016 48 -
This is applicable for MDS 10G FCoE module only where packets of all COS values mapped to same no-drop class. module-2# sh queuing interface ethernet 2/48 Egress Queuing for Ethernet2/48 [System] ------------------------------------------- Template: 4Q7E ----------------------------------------------------------------------------- Queue Group Bandwidth% PrioLevel Shape% CoSMap ----------------------------------------------------------------------------- 7e-1q1q-out-q-default 0 100 - - 0-7 Ingress Queuing for Ethernet2/48 [System] ------------------------------------------- Trust: Trusted DSCP to Ingress Queue : Disabled ------------------------------------------------------------ Queue Group Qlimit% IVL CoSMap ------------------------------------------------------------ 7e-1q1q-in-q-default 0 100 3 0-7 <<<<<<<<<<<<<<
No workaround
This is a non-impacting issue where all VL0 to 7 counters of "GD uSecs VLx is in internal pause tx state" goes up (where "x" is 0-7) irrespective of which COS value is negotiated for Pause. |------------------------------------------------------------------------| | Device:Clipper MAC Role:MAC Mod: 2 | | Last cleared @ Fri Apr 26 02:25:02 2019 | Device Statistics Category :: CONGESTION |------------------------------------------------------------------------| Instance:11 Cntr Name Value Ports ------ ---- ----- ----- 6177 GD Transmitted frames with CBFC Ethertype 0000000000002868 48 - 6198 GD tx frames with pause opcode for VL3 0000000000002868 48 - 6216 GD tx pause transitions of XOFF-XON VL3 0000000000001434 48 - 6221 GD uSecs port is in internal pause tx state 0000000004691692 48 - 6222 GD uSecs VL0 is in internal pause tx state 0000000004691689 48 - 6223 GD uSecs VL1 is in internal pause tx state 0000000004691686 48 - 6224 GD uSecs VL2 is in internal pause tx state 0000000004691035 48 - 6225 GD uSecs VL3 is in internal pause tx state 0000000004691029 48 - <<<<< Only this counter is expected to go up 6226 GD uSecs VL4 is in internal pause tx state 0000000004691026 48 - 6227 GD uSecs VL5 is in internal pause tx state 0000000004691023 48 - 6228 GD uSecs VL6 is in internal pause tx state 0000000004691020 48 - 6229 GD uSecs VL7 is in internal pause tx state 0000000004691016 48 -