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Re: [Openvpn-users] Bridging with Tunnels Revisited

  • Subject: Re: [Openvpn-users] Bridging with Tunnels Revisited
  • From: John Locke <mail@xxxxxxxxxxxx>
  • Date: Wed, 07 Jan 2004 07:32:26 -0800

On Wed, 2004-01-07 at 01:39, Raymond wrote:
> Still a little confused 'bout bridging with tunnels.
> 1) In the example http://openvpn.sourceforge.net/bridge.html does the
> example
> /sbin/ifconfig br0 netmask broadcast
> occur in EVERY tap configuration ( on the server ) or is it global to
> the bridge configuration? If in every tap configuration, is the IP
> address unique for every tap device on the server?
Nope, you use one bridge for ALL bridged devices on the computer. The
bridge essentially routes all traffic bound to/from the physical network
adapter to all the bridged tunnels.

> 2) Is the 192.168/24 example above configured with addif br0 eth1 a new
> virtual network or is it utilizing pre-existing 192.168/24 physical
> network address space on eth1?
It's not only the same network address space, it's the same address as
eth1. You remove the ip address from eth1, and configure the bridge to
replace it.
John Locke
Open Source solutions for small business problems

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