Re: wccp with a L4 switch

its really a strange to me can any one tel me what is L4 Switch amd also,
dose gre mathode work with cisco 2500 ??

With Regards
Ahsan Khan
Sr. System Admin
Internet Division (OneNet)
Sun Communication Pvt. Ltd.
http://www.one.net.pk

----- Original Message -----
From: "Sandra Jaque" <sjaque@reuna.cl>
To: "'Henrik Nordstrom'" <hno@hem.passagen.se>
Cc: <squid-users@ircache.net>
Sent: Tuesday, December 28, 1999 8:45 PM
Subject: RE: wccp with a L4 switch

> Thanks Henrik
>
> It is an interesting idea to implement a linux "L4 switch" but I want to
use a comercial solution because the throughput they have. I imagine the
amount of packets per second they can manage it is not achievable with a
linux box.
>
> Sandra
>
> -----Mensaje original-----
> De: Henrik Nordstrom [SMTP:hno@hem.passagen.se]
> Enviado el: Lunes 27 de Diciembre de 1999 06:18 PM
> Para: Sandra Jaque
> CC: 'squid-users@ircache.net'
> Asunto: Re: wccp with a L4 switch
>
> Sandra Jaque wrote:
>
> > I´m evaluating a cache server solution, and I was trying squid
> > in a linux box with wccp in a 7200 router working quite well, but
> > how wccp v1.0 talk with just one squid box at a time I was wondering
> > what happend if I put a L4 switch to load balance between more
> > than one squid box (one of them talking wccp and having a hierarchy
> > relation with the other squid box) should this work fine?
>
> Not without modification.
>
> > my doubt is because of the GRE encapsulation, I don´t know if
> > the switch should be able to send the traffic to the squid boxes
> > based on the http port?.
>
> Most likely not, but the idea is interesting.
>
> What could be done in a practical manner is to build a Linux "L4 switch"
> announcing itself to the router using WCCP and distributing the sessions
> to your cache boxes.
>
> Another option is to build a Linux "router" which performs WCCP
> announcements and GRE decapsulation and then forwards the TCP/IP packet
> to your favorite L4 switch for distribution.
>
> The announcement protocol of WCCP v1 is quite trivial to implement it is
> is for one WCCP node only.
>
> --
> Henrik Nordstrom
> Squid hacker
>
>
Received on Tue Dec 28 1999 - 07:52:36 MST