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Policy Based Routing Question

Hello, Firstly, I have searched this group over - but can't find the exact details. Here is the situation: Two ISPs, one gives 12.zzz.xxx.0/24 to us, and the other just gives us

206.yy.xxx.30. I want all traffic from our network that has a private IP to be NAT/PAT'ed out the port with the single IP & the people with public IPs to go out the port with the /24 subnet/

I have a Cisco 3640 router connected to a 2950 switch.

Fa0/0 and S0/0 are used for the two ISPs, Fa0/1 is my trunk port with sub-ints to my switch for VLAN routing, so I have Fa0/1.10, .20, .30, etc...

Now, where do I place my: ip policy route-map?

On Fa0/1 or on each Fa0/1.nn?

Thanks! I have never used route maps before...

Reply to
darktiger
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policy-based routing is enabled on router ingress interfaces

Reply to
Merv

Ingress interfaces would be Fa0/0 and S0/0 which are connected to my ISP's, correct?

Reply to
darktiger

You should put it on each Fa0/1.nn sub-interface.

Reply to
Barry Margolin

No, Ingress means where the traffic to be policy routed origins from. So your Fa0/1.* (all of them)

(If you think what policy routing does, it makes sense).

--maarten

Reply to
Maarten Carels

You would place the policy on the routers FA0/1.n which are the ingress interfaces for your outbound traffic to your ISP's.

Reply to
Merv

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