-MDC=1; Instance 0's port Bridge-Aggregation11 received an inferior BPDU from a designated port which is in forwarding or learning state. %Mar 6 09:56:29:096 2023 BG-HJ-Switch-5#-2F-IDF017-S7506-01 STP/4/STP_DISPUTE: -MDC=1; Instance 0's port Bridge-Aggregation11 received an inferior BPDU from a designated port which is in forwarding or learning state.
-MDC=1; Instance 0's port Bridge-Aggregation11 received an inferior BPDU from a designated port which is in forwarding or learning state. %Mar 6 09:56:29:096 2023 BG-HJ-Switch-5#-2F-IDF017-S7506-01 STP/4/STP_DISPUTE: -MDC=1; Instance 0's port Bridge-Aggregation11 received an inferior BPDU from a designated port which is in forwarding or learning state.
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最佳答案
received an inferior BPDU含义为是交换机上收到低优先级的BPDU,同时该BPDU携带learning或forwarding标志,即认为自己为根端口;查看abnormal-port时发现该端口被disputed,该功能是保护根桥,防止下层网络震荡,一般产生原因为链路单通,对端收不到根桥发送的BPDU报文,从而对端一直发送低优先级的BPDU
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