Cisco: проброс влана между портами

можно попробовать команду

connect vl999 Port-channel1.999 Port-channel2.999

уже опробованные команды

bridge-domain 5
!
interface GigabitEthernet0/0/1
no ip address
negotiation auto
service instance 3 ethernet
 encapsulation dot1q 2222
 bridge-domain 2222
!
!
interface GigabitEthernet0/0/1.1111
description Uplink-INTERNET
encapsulation dot1Q 1111
ip address 111.111.111.111 255.255.255.0
no ip proxy-arp
!
interface GigabitEthernet0/0/2
no ip address
no negotiation auto
service instance 4 ethernet
 encapsulation dot1q 2222
 bridge-domain 2222
!
!
interface GigabitEthernet0/0/2.100
description vlan100
encapsulation dot1Q 100
ip address 10.0.0.100 255.255.255.0
!