From: Scott Morris (swm@emanon.com)
Date: Thu Oct 21 2004 - 18:55:38 GMT-3
The service groups are based upon details that are configured within the
web-cache itself. Not much to worry about, you only reference this on the
router if you're told what a particular service is.
This gives you the abilility to redirect different groups/users/interfaces
to different web cache engines for different treatment/balancing.
HTH,
Scott
-----Original Message-----
From: ccie2be [mailto:ccie2be@nyc.rr.com]
Sent: Thursday, October 21, 2004 4:47 PM
To: Scott Morris; samccie2004@yahoo.co.uk; 'studygroup'
Subject: Re: WCCP service group ?
Hi Scott,
It took a little while, but now I'm very clear on the redirection concept.
However, I've read the Config Guide a number of times but I don't really
understand what this service group and service-number concept is all about
or when I would need to put it to use.
The Command Reference has a few commands which use "service group" such as
ip wccp {web-cache | service-number} [group-address multicast-address]
[redirect-list access-list] [group-list access-list] [password password [0 |
7]]
ip wccp service redirect {out | in}
ip wccp {web-cache | service-number} group-listen.
And, just to add a bit more confusion they also talk about reverse proxy arp
along with service 99.
Maybe I'm a bit thick skulled when it comes to this wccp stuff, but I'm
hoping that you or someone who has your great way with words can help lift
away the fog.
Thanks, Tim
----- Original Message -----
From: "Scott Morris" <swm@emanon.com>
To: <samccie2004@yahoo.co.uk>; "'studygroup'" <ccielab@groupstudy.com>
Sent: Thursday, October 21, 2004 4:03 PM
Subject: RE: WCCP direction ?
> The "redirect" is from the perspective of the router with regards to the
> http request being made.
>
> So:
>
> User --> e0/0 (router) s0/0 --> internet web server
>
> The web request is seen INCOMING on e0/0 and OUTGOING on s0/0. You may
put
> either:
>
> E0/0: ip wccp web-cache redirect in
> S0/0: ip wccp web-cache redirect out
>
> The location of the web-cache itself is not part of the picture for this
> particular command.
>
> HTH,
>
>
> Scott Morris, MCSE, CCDP, CCIE4 (R&S/ISP-Dial/Security/Service Provider)
> #4713, JNCIP, CCNA-WAN Switching, CCSP, Cable Communications Specialist,
IP
> Telephony Support Specialist, IP Telephony Design Specialist, CISSP
> CCSI #21903
> swm@emanon.com
>
>
>
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> samccie2004@yahoo.co.uk
> Sent: Thursday, October 21, 2004 1:11 PM
> To: 'studygroup'
> Subject: WCCP direction ?
>
> Hi Group
>
> I still find it confusing to decide the direction of re-redirection when
> using caching engine.
>
> If a caching engine is on a LAN, would I redirect out to it so it caches
my
> requests ?
> Or redirect in, so I accept response from it.
>
> I am inclined to use 1st explanation.
>
> Any thoughts ?
>
> TIA
>
> Sam
>
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