[c-nsp] Forwarding traffic to "transparent" device

[Ryan West]

Pavel,

> -----Original Message-----
> Sent: Wednesday, February 24, 2010 4:56 PM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] Forwarding traffic to "transparent" device
> 
> Hi,
> 
> as I am not native english speaker I don't know how to name my problem
> but I will try to give as much details as possible.
> Here it is, I have Cisco 7600 wich is core switch, and it have one
> uplink to our edge router (it is SVI interface). Now, I would like to
> insert
> a transparent cache engine. That would not be a problem, except that
> connection between edge and core is fiber and
> transparent device has only a copper ports. I know that I can buy
> media converters, but what I would really like before
> is to connect cache to core and forward all (to and from internet) via
> cache and then back to core and so on.
> Something like this:
> 
> 
> ------------
> | EDGE |
> ------------
>       |
>    --|--
>    | C |
>    | O |-------CACHE
>    | R |--------
>    | E |
>    -----
> 
> USERS
> 
> 
> 
> Is this possible at all, and is there are any other solutions?
> 

Are you sure your core and cache engine do not support WCCP?  That might be your best bet.  The VLAN mapping option will also work, but if your caching engine decides to fail and does support a hardware based fail-open, no more traffic will flow.

-ryan