[Voyage-linux] 802.11a Bridge using Voyage-Madwifi-OpenVPN

Punky Tse (spam-protected)
Fri Nov 25 09:32:10 HKT 2005 

Brian,

Thanks. The note is very comprehensive.  And I think no one disagree
to put it on the wiki.

And let me know if you are really for the prebuilt packages, I can
arrange an account for you to access alpha.voyage.hk.

Cheers,
- Punky

On 11/24/05, Brian Anderson <bwanderson at cableone.net> wrote:
> Punky,
> Here's a few notes I made on my VPN bridging setup. Take a look and see if
> you want to put it up on the wiki. If there's something you want to change,
> feel free.
>
> I made reference to some prebuilt packages. I will try to have those
> available soon, maybe you could put them in your contributer's section.
>
> -----Original Message-----
> From: voyage-linux-bounces+bwanderson=cableone.net at list.voyage.hk
> [mailto:voyage-linux-bounces+bwanderson=cableone.net at list.voyage.hk] On
> Behalf Of Brian Anderson
> Sent: Monday, November 21, 2005 6:09 PM
> To: 'Punky Tse'
> Cc: voyage-linux at voyage.hk
> Subject: RE: [Voyage-linux] Bridge Driving Me Bonkers
>
> I will be happy to share my experiences with everyone, if you can bear with
> me for a bit. I am presently working in a fairly demanding environment, so I
> tend to do most of my 'other' work on the weekends. If you can hold out,
> I'll post some specifics this weekend. I can tell you it is not very
> complex. The vpn setup makes the Voyage setup fairly straightforward.
>
> Brian
>
> -----Original Message-----
> From: Punky Tse [mailto:punkytse at punknix.com]
> Sent: Sunday, November 20, 2005 2:12 PM
> To: Brian Anderson
> Cc: 'Andrew Niemantsverdriet'; voyage-linux at voyage.hk
> Subject: Re: [Voyage-linux] Bridge Driving Me Bonkers
>
> Brian and Andrew,
>
> Can you detail your solutions on how to configure openVPN and parprouted so
> that I can document them
> in the wiki (when it is up ;-)), as voyage users can get benefits from your
> experiences.  Thanks.
>
> - Punky
>
> Brian Anderson wrote:
> > On the contrary, I think anybody trying to use a client and/or bridge
> > configuration should care about this. Personally, I started down that road
> > and turned back because my googling showed a lot of people having problems
> > getting proxy arp to work properly. That may no longer be true, but I
> > decided to avoid the problem by applying a sledgehammer to the problem. I
> > created an OpenVPN tunnel in bridge mode that bridges the eth0 and a tap0
> > interface on each end. This avoids any bridging problems with the wireless
> > interface in managed mode, because the wireless interfaces are not part of
> > the bridge. Downside of course is slightly less throughput. You may think
> it
> > to be overkill, but it works just fine. Because it's not IP-centric, I can
> > send anything through the tunnel I care to. The MACs are not proxied; they
> > appear at the other end of the link intact.
> >
> > I have a pair of WRAP boards with Voyage and Ubiquity SR5 5 ghz radios in
> > this configuration that have been humming along for about 3 weeks at 7
> mb/s
> > over a 7 mile link.
> >
> > Brian
> >
> > -----Original Message-----
> > From: voyage-linux-bounces+bwanderson=cableone.net at list.voyage.hk
> > [mailto:voyage-linux-bounces+bwanderson=cableone.net at list.voyage.hk] On
> > Behalf Of Andrew Niemantsverdriet
> > Sent: Saturday, November 19, 2005 4:28 PM
> > To: voyage-linux at voyage.hk
> > Subject: Re: [Voyage-linux] Bridge Driving Me Bonkers
> >
> > For all who are following this thread.
> >
> > Punky mailed me off list and pointed me to a site that said wireless
> > bridging would not work. That message was right mostly. When the
> > wireless card is in master mode bridging works great. I have 3 access
> > points working in that mode now. However on the other side when the
> > wireless card is in Managed mode the bridge ceases to function do to the
> > fact that the wireless card does not know where the wired clients are.
> >
> > With out going into network theory to much there is a solution; proxy
> > arp. There is a program out there called parprouted that does proxy arp
> > for wireless and fits the bill quite nicely. I have tested and confirmed
> > that it works. I have also made a script that makes things a little
> > easier if anybody is interested. Judging from the responce to my first
> > mail on this topic I think what I am doing is pretty unique so maybe
> > nobody else cares.
> >
> >
> > On Thu, 2005-11-17 at 19:40 -0700, Andrew Niemantsverdriet wrote:
> >
> >>I am trying to make a basic bridge between eth0 and wlan0. When I ssh
> >>into the box I can ping both the Internet at large (wlan0 faces
> >>Internet) and of course the device that I used to ssh in with (connected
> >>to eth0).
> >>
> >>However when I try from the computer sitting behind the wrap to ping the
> >>Internet I can't get through. Seems to be "stuck" at the bridge. Any
> >>suggestions?
> >>
> >>Here is my interfaces file:
> >># Used by ifup(8) and ifdown(8). See the interfaces(5) manpage or
> >># /usr/share/doc/ifupdown/examples for more information.
> >>auto lo
> >>iface lo inet loopback
> >>
> >>auto br0
> >>iface br0 inet static
> >>     address 192.168.254.13
> >>     netmask 255.255.255.0
> >>     network 192.168.254.0
> >>     broadcast 192.168.254.255
> >>     gateway 192.168.254.1
> >>     bridge_ports eth0 wlan0
> >>     pre-up ifconfig eth0 0.0.0.0 up
> >>     pre-up ifconfig wlan0 0.0.0.0 up
> >>     pre-up iwconfig wlan0 essid hotspot2 mode managed rate 1M
> >>     #pre-up iwconfig wlan0 123456789012
> >>     pre-up brctl addbr br0
> >>     pre-up brctl addif br0 eth0
> >>     pre-up brctl addif br0 wlan0
> >>     post-down ifconfig eth0 0.0.0.0 down
> >>     post-down ifconfig wlan0 0.0.0.0 down
> >>     post-down brctl delif br0 eth0
> >>     post-down brctl delif br0 wlan0
> >>     post-down brctl delbr br0
> >>
> >>This interface file works great for AP's (with a few changes). Any help
> >>would be really appreciated.
> >>
> >>
> >>_______________________________________________
> >>Voyage-linux mailing list
> >>Voyage-linux at list.voyage.hk
> >>http://list.voyage.hk/mailman/listinfo/voyage-linux
> >>
> >
> >
> >
> > _______________________________________________
> > Voyage-linux mailing list
> > Voyage-linux at list.voyage.hk
> > http://list.voyage.hk/mailman/listinfo/voyage-linux
> >
> >
> >
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > Voyage-linux mailing list
> > Voyage-linux at list.voyage.hk
> > http://list.voyage.hk/mailman/listinfo/voyage-linux
>
>
> --
> Regards,
> Punky
> P U N K N ! X . c o m
> Technology + Lifestyle
> (http://www.punknix.com)
>
> Voyage Linux
> (http://www.voyage.hk/software/voyage.html)
>
> --
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> Version: 7.1.362 / Virus Database: 267.13.4/176 - Release Date: 11/20/2005
>
>
> --
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> Version: 7.1.362 / Virus Database: 267.13.4/176 - Release Date: 11/20/2005
>
>
>
>
> _______________________________________________
> Voyage-linux mailing list
> Voyage-linux at list.voyage.hk
> http://list.voyage.hk/mailman/listinfo/voyage-linux
>
>
>
>


--
--
Regards,
Punky
P U N K N ! X  . c o m
Technology + Lifestyle
(http://www.punknix.com)

Voyage Linux
(http://www.voyage.hk/software/voyage.html)

More information about the Voyage-linux mailing list