Having 1 router and multiple WCCP cache devices: cisco and non-cisco

[ikobisher3]

I have a 6500 running WCCPv1. I have two devices single connected to the 6500: a CE565 and a non-cisco device that does WCCPv1. The 6500 is configured for WCCP redirection. What happens to the requests ? Are they serviced by both devices in parallel ? Is only one device servicing the request ? Load balanced ? I know a cluster won't be formed because the device is non-cisco. BTW, the non-cisco device only support WCCP v1.

[Gilles Dufour]

do a 'sho ip wccp webcache detail' on the router.

You will see the traffic repartition between the caches.

Normally the caches should detect each other and spread the traffic between themselves.

You can assign weight to a cache [cisco or not] and this value is being used to decide how to split the traffic.

But all you need is the command above to see exactly

what the router was told to do by the caches.

Regards,

Gilles.

[ikobisher3]

Will this detection between devices work if the non-cisco device is not really a cache engine, but a web filter that uses WCCP? In reality, my ideal goal would be that traffic would be redirected to the web filter (non-Cisco), get filtered, and then redirected to the catalyst, and then again redirected to the cache engine to be cached. But I am not sure this will happen due to routing. So I guess is either one or the other, correct ? I don't have the option to connect the web filter in other box, neither the Cache Engine. I thoutht that they would not detect each other at all and the router would be doing a decision there. How do they detect each other ? via which protocol ? WCCP ?

[jfoerster]

HI,

well this will be hard to do.

Is your webfilter able to talk ICAP?

If yes I would suggest to do it this way.

- Router intercepts the HTTP traffic forwards it to the CE. The CE fowards the traffic via ICAP to the webfilter. This respondes and the CE sends the traffic towards the internet.

If no. how about intercepting the traffic via WCCP to the CE and forwarding the traffic via upstream proxy towards the webfilter.

Cheers,

Joerg