在接入交换机日志中发现 MSTP/6/MSTP_FORWARDING: Instance 0's port GigabitEthernet1/0/21 has been set to forwarding state.
用户说经常断网
端口配置如下
interface GigabitEthernet1/0/21
port access vlan 116
loopback-detection enable
loopback-detection action shutdown
stp edged-port enable
日志
%Mar 31 20:31:56:656 2022 1#01FE1J02_S511028P IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is DOWN.
%Mar 31 20:31:58:264 2022 1#01FE1J02_S511028P IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is UP.
%Mar 31 20:31:58:272 2022 1#01FE1J02_S511028P MSTP/6/MSTP_FORWARDING: Instance 0's port GigabitEthernet1/0/21 has been set to forwarding state.
%Mar 31 20:32:03:465 2022 1#01FE1J02_S511028P IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is DOWN.
%Mar 31 20:32:05:136 2022 1#01FE1J02_S511028P IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is UP.
%Mar 31 20:32:05:144 2022 1#01FE1J02_S511028P MSTP/6/MSTP_FORWARDING: Instance 0's port GigabitEthernet1/0/21 has been set to forwarding state.
%Mar 31 20:32:06:326 2022 1#01FE1J02_S511028P IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/21 link status is DOWN.
(0)
1、环路检测和STP不能同时开启,有冲突,建议选其中一者开启;
2、从反馈的信息看,G1/0/21接口一直在UP/down,导致STP一直在震荡,建议先排查下相关接口,比如更换网线等处理。
(0)
把1/0/21接口shutdown看看,应该是这个口震荡导致
环路检测已经在端口上关闭,这个状态还在发生
把1/0/21接口shutdown看看,应该是这个口震荡导致
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