查看端口对应VPWS并删除show running-config l2vpn no vpws 30011删除汇聚口VLANno inter gei-0/2.1030由于标签冲突需要再950B上面查找空余标签然后更改display mpls label static available然后在U设备更改代码放一下前后对比第一个为错误的configure terminal interface gei-0/1.20 description TDBYZWWW no shutdown $ vlan-configuration interface gei-0/1.20 encapsulation-dot1q 20 $ $ class-map gei-0/1.20 match-all match out-vlan 20 $ policy-map gei-0/1.20 class gei-0/1.20 police cir 10240 cbs 1024000 pir 11264 pbs 1024000 conform-action transmit exceed-action transmit violate-action drop $ $ service-policy gei-0/1.20 input gei-0/1.20 pw pw31088486 pw pw32088486 mpls l2vpn enable vpws 30010 access-point gei-0/1.20 access-params ethernet $ $ pseudo-wire pw31088486 neighbour 3.103.195.83 vcid 31088486 control-word preferred encapsulation tagged signal static local-label 450 remote-label 57 tunnel-policy 2 track 31088486 vccv bfd capability basic encapsulation ip $ redundancy-manager protect-type 1:1 bidirectional receiving both protect-strategy aps $ $ backup-pw pw32088486 protect pw31088486 neighbour 3.103.195.83 vcid 32088486 control-word preferred signal static local-label 455 remote-label 61 tunnel-policy 2 vccv bfd capability basic encapsulation ip $ $ $ samgr track 31088486 bfd session 31088486 track 32088486 bfd session 32088486 $ bfd session 31088486 pw-bfd pw-name pw31088486 pw-ttl 255 time-negotiation interval 50 min-rx 50 multiplier 3 $ session 32088486 pw-bfd pw-name pw32088486 pw-ttl 255 time-negotiation interval 50 min-rx 50 multiplier 3 $ $ exit writevpws 30010 access-point gei-0/1.20 access-params ethernet $ $ pseudo-wire pw31088486 neighbour 3.103.195.83 vcid 31088486 control-word preferred encapsulation tagged signal static local-label 450 remote-label 151 tunnel-policy 2 track 31088486 vccv bfd capability basic encapsulation ip $ redundancy-manager protect-type 1:1 bidirectional receiving both protect-strategy aps $ $ backup-pw pw32088486 protect pw31088486 neighbour 3.103.195.83 vcid 32088486 control-word preferred signal static local-label 455 remote-label 152 tunnel-policy 2 vccv bfd capability basic encapsulation ip $ $ $ samgr track 31088486 bfd session 31088486 track 32088486 bfd session 32088486 $ bfd session 31088486 pw-bfd pw-name pw31088486 pw-ttl 255 time-negotiation interval 50 min-rx 50 multiplier 3 $ session 32088486 pw-bfd pw-name pw32088486 pw-ttl 255 time-negotiation interval 50 min-rx 50 multiplier 3 $ $ exit write180PX查看BFD状态show bfd nei pw