[vpn] Transparent bridging over Cisco VPN?

[Scott Penno]

Hi all,

I've used Allied Telesyn routers to create a similar solution using IPX
and L2TP.  While it's not a Cisco solution, the routers do support
Appletalk, L2TP and IPSec and should be able to solve your problem.

Scott.



----- Original Message -----
From: "Stephen Hope" <Stephen.Hope at energis.com>
To: "'schowning'" <steve at rotdoctor.com>; "jt" <jtixthus at attbi.com>;
<vpn at securityfocus.com>
Sent: Monday, June 24, 2002 10:03 PM
Subject: RE: [vpn] Transparent bridging over Cisco VPN?


> I don't think either the VPN 3000 or the 800 series routers support
bridging
> or routing of Appletalk. I found a ref. To bridging support on 800
series in
> the release notes.
>
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121relnt/8
00
> /rn800t.htm
>
<http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121relnt/
80
> 0/rn800t.htm>
>
> But that may not support a VPN tunnel.
>
> VPN 3000 doesn't seem to mention anything in the docs apart from IP.
>
> So, if you want to use either Appletalk routing or bridging you may need
> some the larger (read more expensive) Cisco routers at each end of the
> tunnel. I would suggest a 1700 series box at the remote site, and 2600
or
> bigger at the centre if you have a lot of remotes. These and others can
> support hardware encryption if you need high bandwidth.
>
>
> It is a long time since Appletalk was a common protocol, but whenever I
have
> built a network supporting it over a WAN I have used routing, which
works
> reasonably well. I wouldn't want to bridge it across a WAN, due to the
> amount of background traffic an Appletalk end system generates.
>
>
> There is a standards based protocol called "AURP" which tunnels
Appletalk
> over IP. It also has some tools to remap network numbers and reduce
overhead
> traffic. It is supported in cisco IOS (but not on 800 series). The end
> points are effectively Appletalk routers, with the tunnel acting as a
> logical network link between them.
>
> Alternatively, the L2TP  and PPTP protocols can support Appletalk
routing
> and bridging, but you will need an implementation that will work with
your
> other system components. Don't know of any off hand.......
>
> Stephen
>
> -----Original Message-----
> From: schowning [mailto:steve at rotdoctor.com]
> Sent: Friday, June 21, 2002 4:26 PM
> To: jt; vpn at securityfocus.com
> Subject: Re: [vpn] Transparent bridging over Cisco VPN?
>
> Open Door Networks has some client software that converts AppleTalk
> to TCP/IP which should then be able to be transmitted over any normal
> network. Check out:
> http://www.opendoor.com/shareway/
> for more info.
>
> Steve Chowning
>
> >How about redirecting the vpn tunnel to the internet router and then
> >tunneling the appletalk in an IP friendly packet to the remote site?
> >
> >JT
> >
> >
> >----- Original Message -----
> >From: "Jim Dueltgen" <jimd at lmi.net>
> >To: <vpn at securityfocus.com>
> >Sent: Thursday, June 20, 2002 6:16 PM
> >Subject: [vpn] Transparent bridging over Cisco VPN?
> >
> >
> >>  I'm wondering if anyone knows whether or not the Cisco 3000-series
> >>  VPN servers (or any other VPN concentrator you're familiar with)
> >>  support protocol-transparent bridging to remote hardware clients,
> >>  such as the Cisco 806 Broadband router or the VPN 3002 Hardware
> >>  Client.  The literature for the 806 seems to suggest it's possible
at
> >>  that end but I can't find anything one way or the other on the
> >>  3000-series.  The question is being driven by the need to support
> >>  Appletalk over a VPN sooner than all the end-users can reasonably
> >>  upgrade to OS X which would eliminate the need to use Appletalk and
> >>  transparent bridging.  I've done this in point-to-point applications
> >>  with low-end FlowPoint/Efficient DSL routers but that won't work for
> >>  us in this situation.  Any guidance would be appreciated.
> >>
> >>  Regards,
> >>
> >>
> >>  - Jim Dueltgen
> >  >    LMi.net
> >  >
> >  > VPN is sponsored by SecurityFocus.com
> >  >
> >
> >
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>
> --
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