From: Ina&Laurean (ina.laurean@gmail.com)
Date: Tue Jul 31 2007 - 13:32:03 ART
I've done this type of configuration because I had to put an in-path device
and I didn't have an extra switch. So I decided to go for two VLANs and
connect the in-path device between the two VLANs.
The in-path device looks like a layer 2 device and everything works fine
for me, there is no problem with ARP but I have to check what the switch is
doing with the CAM table and how it associates the MAC addresses to the
ports.
One more thing is STP, if you are running PVST there are no issues but if
you running MST I believe it won't work because one port will be blocked by
spanning tree.
Laurean
On 7/31/07, Toh Soon, Lim <tohsoon28@gmail.com> wrote:
>
> Hi All,
>
> This may sound simple and mundane but for curiosity sake, I need to seek
> clarification.
>
> Has anyone tried "bridging" two VLANs by looping a cable to the same
> switch?
> E.g. in the following diagram:
>
> Gi0/1(VLAN359)----
> |
> |
> Gi0/2(VLAN360)----
>
> The same cable connects to interfaces Gi0/1 (VLAN359) and Gi0/2 (VLAN360).
> Can a host on VLAN359 now communicate with a host on VLAN360?
>
> What's the implication doing this, e.g. from STP point of view? Is it
> recommended at all?
>
> Any advice is appreciated.
>
>
> Thank you.
>
> B.Rgds,
> Lim TS
>
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