Need to route SMTP traffic through static interface (not default route)
Apologies if this has a solution on the NG but I had a search, and
couldn't quite work it out.
I have a Cisco 2610 with a ADSL WIC and a FE module. There are 2 x
internet connections: static IP on the ADSL, and a cable modem into
Eth0/0. The Static is a metered line so all traffic goes out over
cable. I have NAT rules directing mail from outside to an SMTP server
internally. This all works fine.
Due to more cases of outbound SMTP traffic getting refused connections
because its originating from a dynamic IP source (the cable
connection) I need to route all SMTP outbound traffic via the Dialer0
After some searching on here and Google I thought a route-map might do
the trick, but it doesn't appear to be (or my implementation!).
I tried the following:
access-list 103 permit tcp 192.168.0.0 0.0.0.255 any eq smtp
route-map smtp-redirect permit 10
match ip address 103
match route-type internal
set interface Dialer0
And then on the FastEth1/0 interface (my LAN):
ip policy route-map smtp-redirect
I've also tried applying the policy to the Eth0/0 interface to no
I did notice that a show route-map (when configured on fasteth1/0)
showed packet matches against the map but no mail arrived at the other
Does anyone have constructive feedback or a better way of solving
Thanks in advance.
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