[c-nsp] Problem with Sub Interfaces using Catalyst 6500

[Marko Milivojevic]

VLAN space is lobal (not per-interface) on 6500/7600 for all LAN interfaces. 
WAN interfaces (OSM, FlexWAN and SIP) have local VLAN slapce.


Alexandra Alvarado wrote:
> Hello,
> 
> I would like to know if It's possible to add the same vlan id on two
> different interfaces, I am using a Catalyst 6500 switch (Version
> 12.2(18)SXD6).  The question is because if I try to add encapsulation dot1q
> 2 on a sub-interface that belong to another interface, I get the following
> error:
> 
> interface GigabitEthernet7/1
>  description 3550-S1
>  mtu 9216
>  no ip address
>  no ip proxy-arp
> 
> interface GigabitEthernet7/1.1
>  encapsulation dot1Q 2
>  ip vrf forwarding VRF00001
>  ip address 10.201.15.254 255.255.255.252
> 
> interface GigabitEthernet7/2
>  description 3550-S2
>  mtu 9216
>  no ip address
>  no ip proxy-arp
> 
> TELEPUERTO#config term
> TELEPUERTO(config)#interface gigabitEthernet 7/2.1
> TELEPUERTO(config-subif)# ip vrf forwarding VRF00001
> TELEPUERTO(config-subif)#encapsulation dot1Q 2
> 
> Command rejected: VLAN 2 not available
> 
> TELEPUERTO(config-subif)#
> 
> 
> Thanks
> 
> A.A.A.A.
> 
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