I have not done it completely But I am working to add this feature in my
squid so that it can talk to multiple router. Let see.:-))
With Regards
Ahsan Khan
Sr. System Admin
Internet Division (OneNet)
Sun Communication Pvt. Ltd.
Pakistan
http://www.one.net.pk
----- Original Message -----
From: "Garlic" <garlic@garlic.com>
To: "Lincoln Dale" <ltd@cisco.com>; <squid-users@ircache.net>
Sent: Saturday, April 22, 2000 11:37 PM
Subject: Re: WCCP - cache only , no proxy
>
> The problem is that a single squid cache can only communicate with one
router
> since its stuck in WCCP V1.  It would be nice if Cisco gave a license for
V2 to
> the squid developers!
>
> Lincoln Dale wrote:
>
> > At 01:06 20/04/00, fooler wrote:
> > >if i understand you correctly what you mean here, to avoid ip
> > >fragmentation in a
> > >transparent environment, im using a cisco switch using
_store_and_forward_ in
> > >switching mode to solve this problem.
> >
> > it is less of an issue on (say) a L2 ethernet switch, given there's no
> > reason to fragment at layer-2.
> > (when did you last use an ethernet switch that forced you to a MTU of
576
> > bytes? :-) )
> >
> > the issue is more one of (say) dial-up users whose IP stacks have set a
MTU
> > of 576 on a dial connection.
> >
> > the absolute 'recommended' configuration would be to run WCCP on that
> > access-edge.
> >
> > ie.
> >   a typical PoP would look something like this:
> >
> >                      ...............
> >                      : core router :
> >                      :.............:
> >                             |        (switched {fast}ethernet)
> >        -------------------------------------------------------
> >             | (fastethernet)     |                       |
> >   ....................    .................      ....................
> >   :dial access-server:    :DSL aggregation:  ... :cable/wireless agg:
> >   :..................:    :...............:      :..................:
> >    | (ppp) |    |          | (atm) |    |           | (ppp) |    |
> >    |       |    |          |       |    |           |       |    |
> >   dial    dial isdn       DSL     DSL  DSL         HFC     wireless
> >   user    user user       user    user user        user    users
> >
> > our recommendation would be to _always_ run WCCP on the access-servers
> > themselves (dial, DSL, cable, leased-line, ...) -- and thus any
> > 'fragmentation' is limited to the per-hop link between the customer and
the
> > interception/redirection point.
> >
> > any potential IP fragmentation issues will be taken care of
automatically,
> > since TCP MSS negotiation will be taking into account the path MTU.
> >
> > of course, there is still the potential for problems if those end-users
are
> > actually a network, and are using a lower MTU in their own network
cloud,
> > but i'm yet to see a 'problem' case yet.
> >
> > cheers,
> >
> > lincoln.
> >
> > --
> >    Lincoln Dale           Content Switching
> >    ltd@cisco.com          Cisco Systems Inc.        |         |
> >                                                     ||        ||
> >    +1 (408) 525-1274      bldg G, 170 West Tasman  ||||      ||||
> >    +61 (3) 9659-4294 <<   San Jose CA 95134    ..:||||||:..:||||||:..
>
Received on Sat Apr 22 2000 - 18:40:31 MDT
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