Re: Question on 3550

From: Bob Usa (boby2kusa@hotmail.com)
Date: Sat Mar 01 2003 - 04:24:24 GMT-3


>From: "Vickie Choy" <choyvick@cisco.com>
>Reply-To: "Vickie Choy" <choyvick@cisco.com>
>To: <ccielab@groupstudy.com>
>Subject: Question on 3550
>Date: Fri, 28 Feb 2003 18:35:11 +0800
>
>Hi all,
> -------------------------------
>R4-------| port 4 port 2 |-----------R2
> | 3550 |
>R6-------| port 6 |
> -----------------------------------
>
>Port 4 and port 6 belong to the same vlan vlan 10. Port 2 belong to
>default vlan. Port 4 and 6 belong to the subnet 140.10.1.0/24, R4 has
>140.10.1.4/24 and R6 has 140.10.1.6/24 on the Ethernet interface. R2
>has no IP address on the interface.
>
>Question is to create a command interface 140.10.1.7 on 3550 so that R2,
>R4 and R6 be able to ping to that interface.
>
>If I create a SVI "int vlan 10" with ip address 140.10.1.7 only R4 and
>R6 can ping.
Why do you expect an unnumbered interface to be able to ping the interface
vlan 10. It's bi-directional, it has source and destination ip. How is the
packet going to return when there is no source ip address.

If I configure an ip address say 140.11.12/24 on the
>interface of R2, but is not allowed to configured a static route on R2
>to point to the 140.10.1.0/24 subnet. How to get R6 to be able to ping
>to the command interface?

Which interface? Are you referring pinging to the R2's interface from R6?
First of all they are in the different subnet so they need to be routed.
With you set-up I don't know who is routing. If all you want to do is to be
able to ping the R2, just create another svi in 3550 vlan 1 and put in an ip
address that is in the same subnet as r2's interface (140.11.12.0/24).
>
>Appreciate your input.
>
>Thanks
>
>Vickie



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