Karen,
I think I was being unclear. I think we meant the same thing.
> " the only thing you need
> to do to make another subnet work on a VLAN is a secondary IP on the router
> interface for that VLAN."
A layer 3 device (router) is neccessary to connect different subnets,
regardless of whether they are on the same physical network (or in the
case of VLANS, "virtual physical network"...I'll just call them layer 2
networks.)
--Walker
[EMAIL PROTECTED] wrote:
>
> I beg to differ on this one. I'm currently dealing with a network that has
> 4 VLANs. Two of those VLANs use multiple subnets. the only thing you need
> to do to make another subnet work on a VLAN is a secondary IP on the router
> interface for that VLAN. Remember - VLANs are layer 2 (MAC address), not
> Layer 3 (IP address). The only entity that cares what subnet a node belongs
> to is the router.
>
> Karen E Young
> Network Engineer
> ELF Technologies, Inc
> [EMAIL PROTECTED]
> Desk: 206-770-4035
> Pager: 206-994-4514
>
>
> Walker
> Traylor To: [EMAIL PROTECTED]
> <wtraylor@cis cc:
> co.com> Subject: Re: subnet vs. Vlan
> Sent by:
> nobody@groups
> tudy.com
>
>
> 07/20/00
> 04:20 PM
> Please
> respond to
> Walker
> Traylor
>
>
>
> You must use a router between any networks, even if they are on the same
> VLAN. You do not need a router to merely connect VLANS if they are on
> the same network. However, you could just make them just one VLAN in
> that case.
>
> --Walker
>
> jeongwoo park wrote:
> >
> > HI all
> > I have a question.
> > Cisco recommends that there be one-to-one relationship
> > between ip subnets and Vlans.
> > When the number of devices on a Vlan exceeds the
> > number of host ip addresses per configured subnet,
> > more than one subnet can exit on a Vlan.
> > Having said that, my question;
> > There are two subnets in a Vlan. Do we need a router
> > to interconnect these two subnets?
> > I know that we need a router to interconnect two
> > different Vlans.
> > In addtion to that, can more than one vlan exist on a
> > subnet?
> > if so, do we still need a router to interconnect
> > different vlans even if there are in a same subnet?
> >
> > thanks
> >
> > jeongwoo
> >
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