[nsp] routing issue multiple gate to internet

From: akberm (akberm@emirates.net.ae)
Date: Sun Mar 03 2002 - 13:32:47 EST


Hi all,
Need some help on this scenario?
 
I have a 3640 router at HO with Serial NM card to which 2 lease line are
connected from 2 remote office.
3640 also has a ADSL wic which connects to Internet.
This internal network is connected to a pix firewall whose out going
interface is connected to ISDN line for allowing mail sever traffic.
Mail server is on inside interface on private ip with static nat on
firewall.
So we have 2 internet gateway 1 through firewall and 1 through ADSL. I
need all my HTTP traffic to go through ADSL while mail traffic through
firewall. Remote office users connect to 3640 over lease-line and access
mail server (exchange server) and some applications running at HO.
 
Here is the problem I am facing.
I have given gateway on mail server as 3640 FE and put a default route
on 3640 to route all traffic to pix inside interface.
After configuring this all my HTTP traffic and mail traffic goes through
pix-ISDN which is not the requirement. I need only mail traffic through
firewall rest all through ADSL.
So I put a default route on 3640 to route everything to ADSL and put a
source based routing to put mail server traffic on Firewall-ISDN.
This works fine with local LAN but the remote office users over
lease-line are not able to connect to mail server or application sever
in HO.
 
Please help
TIA
Akber Mirza
 
 



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