Re: [SQU] REG: GRE Encapsulation of WCCP redirected packets.

neela priya c wrote:

> The purpose of GRE encapsulation of WCCP redirected data
> packet is to redirect the packet destined actually to the
> web server to the cache engine without altering the IP header
> of the data packet. The data packet IP header (IP-1 header)
> contains the IP address of the WEB server.
> The second IP header(delivery header IP-2 header ) contains the
> IP address of the Cache Engine.

Correct, in all aspects.

My only concern is why Cisco selected to make a new GRE protocol type
instead of using the existing for encapsulated IP... but maybe they
wanted to make life a little harder for cache OS implementations...

--
Henrik Nordstrom
Squid hacker
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