Redirecting packets with route-maps through the same interface.

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Hi all,

I would like to use a route map on the interface Vlan 1 of a 877 and redirect them out  of the same interface.
I applied the route-map but it doesn't work.
Is it possible or packets must be forwarded through a different interface.
My LAN has a router as a default gateway but the real gateway is a firewall and the router forward everything to the 
firewall. Every device is on the same logical WAN.
I want to do a trasparent proxy and I want to put the route-map on the interface but packets that will match the rules 
(http traffic) will exit the same interface.

I did a test but it failed.

TIA,

Alex
0
Reply AM 4/6/2006 8:15:10 AM

Sending the packet back out on the interface it came in should be
possible.  You might have to turn off ICMP redirects etc.

I tried the following simple experiment with 2 routers connected
back-to-back via their ethernet interfaces

Router1
======
interface Ethernet0
 ip address 20.20.20.1 255.255.255.0
 no keepalive
!
ip route 0.0.0.0 0.0.0.0 20.20.20.2

Router2
======
interface Ethernet0
 ip address 20.20.20.2 255.255.255.0
 ip policy route-map TEST
 no keepalive
!
access-list 1 permit any
!
route-map TEST permit 10
 match ip address 1
 set ip next-hop 20.20.20.1

This does send all packets received on ethernet0 of Router2 back out on
ethernet0.  (Note that the above configuration does not do anything
useful; it was only meant to check if the packet can be forced out of
the interface it came in on using a route map.)

Cisco da Gama
http://ciscostudy.blogspot.com

0
Reply ciscodagama 4/6/2006 11:21:30 PM


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