【交换机】RLDP检测到环路后有什么提示现象，默认恢复时间多久，怎么恢复端口

发布时间：2013-09-25

点击量：17612

1）查看RLDP的状态

2）假设g0/5和g0/7口环起来后会出现如下log

Rujijie#

*Mar 19 20:16:00: %RLDP-3-LINK_DETECT_ERROR: loop detection error detect on interface GigabitEthernet 0/7.set this interface errordisable!

*Mar 19 20:16:00: %RLDP-3-LINK_DETECT_ERROR: loop detection error detect on interface GigabitEthernet 0/5.set this interface errordisable!

Mar 19 20:16:01: %LINEPROTO-5-UPDOWN: Line protocol on Interface VLAN 1, changed state to down.

*Mar 19 20:16:02: %LINK-3-UPDOWN: Interface GigabitEthernet 0/5, changed state to down.

*Mar 19 20:16:02: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet 0/5, changed state to down.

*Mar 19 20:16:02: %LINK-3-UPDOWN: Interface GigabitEthernet 0/7, changed state to down.

*Mar 19 20:16:02: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet 0/7, changed state to down.

3）查看接口状态，发现这两个口被disable了

4、过了默认的300S时间后，交换机会把端口自动变为恢复状态

*Mar 19 20:21:01: %PORT_SECURITY-4-ERR_RECOVER: Interface GigabitEthernet 0/5 recover from an error.

*Mar 19 20:21:01: %PORT_SECURITY-4-ERR_RECOVER: Interface GigabitEthernet 0/7 recover from an error.

*Mar 19 20:21:01: %RLDP-3-LINK_DETECT_RECOVER: rldp recover interface GigabitEthernet 0/7 from loop error

*Mar 19 20:21:01: %RLDP-3-LINK_DETECT_RECOVER: rldp recover interface GigabitEthernet 0/5 from loop error

*Mar 19 20:21:04: %LINEPROTO-5-UPDOWN: Line protocol on Interface VLAN 1, changed state to up.

*Mar 19 20:21:06: %LINK-3-UPDOWN: Interface GigabitEthernet 0/5, changed state to up.

*Mar 19 20:21:06: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet 0/5, changed state to up.

*Mar 19 20:21:06: %LINK-3-UPDOWN: Interface GigabitEthernet 0/7, changed state to up.

*Mar 19 20:21:06: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet 0/7, changed state to up.

5）如果需要立即恢复被disable的端口，可以通过如下命令实现

Rujijie#rldp reset 或者 Ruijie(config)#errdisable recovery

*Mar 19 20:34:32: %PORT_SECURITY-4-ERR_RECOVER: Interface GigabitEthernet 0/7 recover from an error.

*Mar 19 20:34:32: %RLDP-3-LINK_DETECT_RECOVER: rldp recover interface GigabitEthernet 0/7 from loop error

*Mar 19 20:34:32: %PORT_SECURITY-4-ERR_RECOVER: Interface GigabitEthernet 0/5 recover from an error.

*Mar 19 20:34:32: %RLDP-3-LINK_DETECT_RECOVER: rldp recover interface GigabitEthernet 0/5 from loop error

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