On Wed, 2010-02-10 at 16:43 -0800, Paul Gerstenberger wrote:
> {provider} <---[ static 0.0.0.0/0 xxx.xxx.xxx.xxx ]---> {riverstone ASBR}
> <---[10.0.4.1 OSPF
> Backbone 10.0.4.2]---> {mikrotik} <--- x.x.x.x/24 public addresses
Ok. What we need to know:
With the public/24 on the MT "inside" interface:
FROM a machine with another ip in that range (of course attached to the
"inside" MT interface, ping the MT's public/24. Ping the MT's 10.0.4.2
IP, and ping the Riverstone 10.0.4.1. ONE of those is likely to fail
(assuming you have a real routing problem). Which one will give us a
clue as to what the problem actually is. What would be helpful is an
output of the routing table on both the MT and Riverstone.
> I can attach those public addresses directly to the riverstone and they
> work fine. However if I attach them to the mikrotik they get advertised
> over OSPF and have local connectivity, but they stop at the border router
> on a traceroute. However, if you ping a device using one of those addresses
> from an external network, you get a response. So I'm missing something to
> make the route bi-directional, if that's the right term.
Is either the MT or the riverstone running some sort of proxy arp on any
interface? It is possible that is giving you a false impression that
the device is responding from outside?
--
********************************************************************
* Butch Evans * Professional Network Consultation*
* http://www.butchevans.com/ * Network Engineering *
* http://store.wispgear.net/ * Wired or Wireless Networks *
* http://blog.butchevans.com/ * ImageStream, Mikrotik and MORE! *
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