On Thu, 20 Jul 2000, 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?
Yes. The router would have a secondary IP for the second VLAN. Don't
forget split-horizon issues in this case.
> 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?
Yes, but why? You could connect a crossover cable between ports on
two or more VLANs or you could bridge. Doing either makes them
essentially the same VLAN logically.
> if so, do we still need a router to interconnect
> different vlans even if there are in a same subnet?
No, you can do it with a twist cable. But, why would you want to?
--
Jay Hennigan - Network Administration - [EMAIL PROTECTED]
NetLojix Communications, Inc. NASDAQ: NETX - http://www.netlojix.com/
WestNet: Connecting you to the planet. 805 884-6323
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