[c-nsp] 7600 Router Vlan / sub-interface question

Jared Mauch jared at puck.nether.net
Thu May 5 16:01:03 EDT 2005


On Thu, May 05, 2005 at 08:46:30PM +0100, Colin Whittaker wrote:
> 
> Vlan ids are global to the chassis, so you can't do this.

	well, except in the case of the OSMs, those are full L3
linecards and vlans are specific to them, but yes, otherwise vlans
are global.

	try typing "sh vlan internal"

	- jared
> 
> Down side of it being a swouter.
> 
> Colin
> 
> On Thu, May 05, 2005 at 09:37:27PM +0200, Danielsen.Peter Christian PED wrote:
> > > Any one, know if it's posible to add the same vlan id on to diffred
> > > sub interface, i get a error when trying, 
> > > My setup looks like this, one 7609 connectet to to Cisco 3550 switche,
> > > alle running Layer3, i need to use the same vlan id on to or more sub
> > > interfaces, all sub interfaces are Layer3 interfaces, 
> > > 
> > > My interface configuration on the 7609 is..
> > > interface GigabitEthernet3/2
> > >  description 3550-S1
> > >  no ip address
> > >  no ip proxy-arp
> > >  spanning-tree portfast trunk
> > > !
> > > interface GigabitEthernet3/2.2
> > >  encapsulation dot1Q 2
> > >  ip vrf forwarding VRF00001
> > >  ip address 172.31.7.85 255.255.255.252
> > >  no ip proxy-arp
> > > !
> > > interface GigabitEthernet3/2.4
> > >  encapsulation dot1Q 4
> > >  ip vrf forwarding VRF0002
> > >  ip address 172.30.7.85 255.255.255.252
> > >  no ip proxy-arp
> > > !
> > > interface GigabitEthernet3/3
> > >  description 3550-S2
> > >  no ip address
> > >  no ip proxy-arp
> > >  spanning-tree portfast trunk
> > > !
> > > interface GigabitEthernet3/3.2
> > >  encapsulation dot1Q 2
> > >  ip vrf forwarding VRF00003
> > >  ip address 172.32.7.85 255.255.255.252
> > >  no ip proxy-arp
> > > 
> > > If i try to add encapsulation dot1Q2 on sub-interface
> > > GigabitEthernet3/3.2, i get the following error, 
> > > 7609(config-subif)#encapsulation dot1Q 2
> > > Command rejected: VLAN 2 not available
> > > 7609(config-subif)#
> > > 
> > > Any one know how to get this to work !! ...
> > > 
> > > /PED_DK
> > 
> > 
> > 
> > 
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> 
> -- 
> Colin Whittaker    colin.whittaker at heanet.ie    Tel: +353 1 6609040
> HEAnet NOC         noc at heanet.ie                iNOC-DBA:  1213*752
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-- 
Jared Mauch  | pgp key available via finger from jared at puck.nether.net
clue++;      | http://puck.nether.net/~jared/  My statements are only mine.


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