OPERATIONAL DEFECT DATABASE
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* Egress buffer stuck, preventing control plane packet to exit the switch * Example of affected protocol : - LACP, port are suspended (no LACP received) - CDP/LDDP neighbor is correct on Leaf side, but the neighbor don't see the leaf
Unknown
* Check the queue occupancy counter, if cell value are stale, defect might be hit. - From the output, isolate the ASIC number, Slice number and Slice Port (SP) - Check the corresponding QOS Class X (C) module-1# show platform internal hal qos uc_mc_queue_occupancy_counter | grep -v '0 | 0 | 0' ================================================== ASIC: 0 SLICE: 1 ================================================== ================================================== SP | C | UC Cell | MC Cell | MC Desc ================================================== 46 | 0 | 13628 | 21666 | 6440 46 | 3 | 0 | 5369 | 5369 * Map the ASIC/Slice/Port to front port. module-1# show platform internal usd port info Port 119.0 (Eth1/ 9) : Admin UP Link UP Cfg_Fec Disabled Fec Disabled Fcot Fiber retimer 0x0 AN_knob No AN_cfg Yes AN_operSt Yes In_debounce 0, Debounce-Time 100000 usecs qsa: No slice:1 slice port:46 lcl srcid:92 gbl srcid:348 asic mrl:0x9d0a018, mac mrl:0x1ff92018, mac:29, chan:2 speed 1G serdes: 0x330 0x0 0x0 0x0 * Confirm the interface have QOS Class X drops L2101# show queuing interface ethernet 1/9 detail ================================================================================ Qos Class level3 ================================================================================ Rx Admit Pkts : 25056 Tx Admit Pkts : 0 Rx Admit Bytes: 1603584 Tx Admit Bytes: 0 Rx Drop Pkts : 3844 Tx Drop Pkts : 25169 Rx Drop Bytes : 246016 Tx Drop Bytes : 2971510 ================================================================================ Qos Class control-plane ================================================================================ Rx Admit Pkts : 0 Tx Admit Pkts : 0 Rx Admit Bytes: 0 Tx Admit Bytes: 0 Rx Drop Pkts : 0 Tx Drop Pkts : 7125 Rx Drop Bytes : 0 Tx Drop Bytes : 720950 * Flap the interface found in the queue occupancy output
N/A
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