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

[Jeff Hood]

Try this: 
vlan internal allocation policy descending

Only problem I think is that you have to reboot. We did that on our
7609 Sup720 3bxl. Works great...

Jeff Hood


On 5/5/05, Jared Mauch <jared at puck.nether.net> wrote:
> 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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