Re: Routing Problem on OpenServer 5.0.6

From: John Schmidt (js_at_radix.net)
Date: 03/29/05 

Date: Tue, 29 Mar 2005 15:19:59 -0500

<snippage throughout>

fernando.scheid@gmail.com wrote:
> Hi all,
>
> I have one big problem with routing.

Maybe not...

<snip>

>>From host OSR506A i can ping to ROUTER-A, ROUTER-B, OSR506B (net0),
> OSR506B (net1), OSR506C (net0) and OSR506C (net1).

<snip>

> But from host OSR506C i can not ping or traceroute to OSR506A.

A quick glance at your routing tables looks like they're correct.

If ping and traceroute work in one direction but not another, it's more
than likely not a routing problem. For OSR506A to recieve the replies
from OSR506C when querying it, *both* machines have to know how to get
to each other. Unless there's a dynamic routing protocol running on any
of the boxes in the network path, you probably have a firewall rather
than a routing problem. From your traceroutes, the most likely culprit
is OSR506B.

JS

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