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Routing port 80 traffic to DSL WIC on Cisco 2600 Router

Posted on 2010-09-15
Medium Priority
Last Modified: 2012-05-10

Currently we have the following set up on our Cisco 2600 router:

2 WIC each with a T1 attached
1 DSL WIC for DSL backup

Both T1's are bonded for 3 up and down and if they both go down the DSL takes over for backup.

What I would like to do is keep the same setup, but for all port 80 traffic, direct it to the DSL for faster access.

Is this possible in the router? I hate paying for a DSL connection when it just sits there in standby.

Question by:fairrington
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LVL 20

Expert Comment

ID: 33682354
So you want to route any tcp:80 stuff i.e web traffic OUTGOING through the DSL connection ? I just wanted to be clear as to your requirement.
LVL 20

Accepted Solution

woolnoir earned 2000 total points
ID: 33682385
if so, this was posted somewhere else on experts exchange, essentially you need policy based routing which the 2600 series does support.

Try something like this:
\\-- remove current default routes
no ip route interfaceX <-- replace as needed
no ip route InterfaceY <-- replace as needed
\\-- create two acls to define www traffic and all other traffic
access-list 101 permit tcp any any eq www
access-list 102 permit ip any any

\\-- create route-map with 2 conditions
route-map www permit 10
 match ip address 101
 set ip next-hop <DSL upstream gateway>
route-mdap www permit 20
 match ip address 102
 set ip next-hop X.Y.Z.X  <== remote end of T1

\\-- apply the route-map to the local LAN interface
interface Fast 0/0 <-- replace as needed
  ip policy route-map www
LVL 20

Expert Comment

ID: 33682397
and there is a typo i think on the second 'route-map' statement.

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