>Why does the network on the other side of the routers need to be in the
>same VLAN? Why don't you make it a different VLAN and a different IP subnet?
>
>A VLAN is an IP subnet. Sure, Cisco and other vendors make it sound like
>VLANs are something more mysterious, but essentially, a VLAN is an IP
subnet.
Heretic!
VLANs and switches good. Four legs good
Subnets and routers bad. Two legs bad
ALl topologies are equal, but All animals are equal, but
some are more equal than others. some are more equal tan others.
>
>So you need routing on those routers.
>
>But what you have described is a discontiguous subnet. This is usually not
>a good idea but it could work if you use static routes or a classless
>routing protocol and tinker with the prefix boundary.
>
>But, it's probably a better idea to use a different design where the subnet
>is not separated by multiple routers. A subnet (VLAN) separated by switches
>is OK, but a subnet separated by routers is usually avoided. You could use
>bridging on the routers, but seems like even more of a kludge.
>
>If I'm missing something, please let me know. Thanks.
>
>Priscilla
>
>At 03:35 AM 7/24/01, SolutionFinder SolutionFinder wrote:
>>Hello colleagues, I have a question regarding the configuration of the
>>routing device when a VLAN is separated by two or more routers. Do I have
>>to add an interface for the respective VLAN on every router ? Vlan 20
>>--> Router A --> Router B --> Router C --> Vlan 20 Do all three routers
>>need the 'interface VLAN 20' statement in their configurations ? Thanks
> >for your help in advance. Regards, Hans
More seriously, what is the problem you are trying to solve? What is
the basis of allocation to a VLAN? Would a group -- even a supernet
-- of subnets solve the problem? Or is this something where L2 VLAN
switches are more appropriate than routers?
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=13546&t=13465
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