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

[Daniska, Tomas]

and why there is a problem with simply using VLANs to insert the cache
into the path?

--

deejay


> -----Original Message-----
> From: Daniska, Tomas
> Sent: Thursday, February 25, 2010 1:41 PM
> To: 'Pavel Dimow'
> Subject: RE: [c-nsp] Forwarding traffic to "transparent" device
> 
> and why there is a problem with simply using VLANs to insert the cache
> into the path?
> 
> --
> 
> deejay
> 
> 
> > -----Original Message-----
> > From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> > bounces at puck.nether.net] On Behalf Of Pavel Dimow
> > Sent: Wednesday, February 24, 2010 11:26 PM
> > To: cisco-nsp at puck.nether.net
> > Subject: Re: [c-nsp] Forwarding traffic to "transparent" device
> >
> > Hello all,
> >
> > thank you for your suggestions, but as this is transparent device
(ie
> > it acts just like a wire) wccp is not and option. Beside that, it
can
> > cache bittorrent traffic which I belive is not wccp friendly :)
> >
> >
> > On Wed, Feb 24, 2010 at 11:19 PM, Ryan West <rwest at zyedge.com>
wrote:
> > > 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
> > >
> > _______________________________________________
> > cisco-nsp mailing list  cisco-nsp at puck.nether.net
> > https://puck.nether.net/mailman/listinfo/cisco-nsp
> > archive at http://puck.nether.net/pipermail/cisco-nsp/