RE: [isp-bgp] BGP and policy based routing question

["David Enns" <david@...>]

I didn't mean to confuse everyone. They are not RFC1918 addresses. I just
used those addresses as examples of what my current configuration is. We
have numbers that are reachable from the internet. The /26 block is only
reachable from one of our upstream providers and we are looking for a
solution to that problem.

Hope this helps resolve some of the confusion.

David

-----Original Message-----
From: David J. Hughes [mailto:bambi@...]
Sent: Monday, November 15, 2004 1:04 PM
To: isp-bgp@isp-bgp.com
Subject: Re: [isp-bgp] BGP and policy based routing question



On 11/11/2004, at 7:04 AM, David Enns wrote:

> We just multihomed our network and set up BGP. When we started our ISP
> 7
> years ago we were assigned a small block of 64 ip addresses from ISP 1,
> 192.168.1.0/26, for our use. We put our first name server on this
> network.
> Now that we have set up BGP this block is unreachable for some
> networks from
> the internet.


I can assure you that the address block you mentioned isn't reachable
from
anywhere on the net.  Perhaps the original up-stream is providing NAT
services for that block?  As I'm sure you are aware RFC1918 address are
private and _should_ not be routed over the public network.  Most ISPs
will block both the route advertisements and any traffic from those
source
addresses.


David
...







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