[c-nsp] Cat6500 VLAN cannot be assigned to a routed port sub-if?

Nick Cutting ncutting at edgetg.com
Fri Sep 16 17:07:29 EDT 2016


And FYI - only the SVI gets used in "internal vlan usage"

-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Nick Cutting
Sent: Friday, September 16, 2016 11:33 AM
To: Marco van den Bovenkamp <marco at linuxgoeroe.dhs.org>; Cisco Network Service Providers <cisco-nsp at puck.nether.net>
Subject: Re: [c-nsp] Cat6500 VLAN cannot be assigned to a routed port sub-if?

Depends on supervisor - With sup 2t - you could reuse vlans on subinterfaces, here is 2 subinterfaces on different ports, and an SVI all on vlan 281

!
interface Vlan281
 no ip address
 shutdown
end
!
interface TenGigabitEthernet2/5/9.281
 encapsulation dot1Q 281
end
!
interface TenGigabitEthernet2/5/8.281
 encapsulation dot1Q 281
end



-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Marco van den Bovenkamp
Sent: Friday, September 16, 2016 7:43 AM
To: Cisco Network Service Providers <cisco-nsp at puck.nether.net>
Subject: Re: [c-nsp] Cat6500 VLAN cannot be assigned to a routed port sub-if?


On 16/09/2016 13:36, Curtis Piehler wrote:
> Exactly!   On the 6500/7600 platforms you can't have your cake and eat 
> it
> :)

Indeed :-). And 'routed ports' are actally SVIs on a VLAN you don't see, but does get taken from the global pool (try 'show vlan internal usage' 
sometime).

A 6500 is a switch, even when it calls itself a 7600 :-)


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