[Switch-A-hidecmd] display stp tc ---------- Stp Instance 0 tc or tcn count ---------- Port GigabitEthernet1/0/0 0 Port GigabitEthernet1/0/1 0 Port GigabitEthernet1/0/2 0 Port GigabitEthernet1/0/3 0 Port GigabitEthernet1/0/4 87 Port GigabitEthernet1/0/5 123 Port GigabitEthernet1/0/6 99 Port GigabitEthernet1/0/8 71 Port GigabitEthernet1/0/9 173 Port GigabitEthernet1/0/10 146 Port GigabitEthernet1/0/13 8 Port GigabitEthernet1/0/21 0
分析日志,日志中也显示收到TC报文、进行ARP表项老化处理的记录:
Apr 19 2011 09:59:58 DCN_S9306_A %%01MSTP/6/RECEIVE_MSTITC(l): MSTP received BPDU with TC, MSTP process 0 instance 0, port name is Ethernet4/0/46.
同时有arp-reply报文的cpcar丢弃记录:
Apr 19 2011 09:28:13 DCN_S9306_A %%01QOSE/4/CPCAR_DROP_LPU(l): Some packets are dropped by cpcar on the LPU in slot 1. (Protocol=arp-reply, Drop-Count=061)