You should use interfaces with same MTU size. In same situaion I made
OpenVPN tunel over ppp conntction with MTU 1500 (same as in ethernet
network)
On Sat, 18 Dec 2004 00:10:22 +0100
armin langhofer <office@langhofer.at> wrote:
> hi there
>
> i found your project and tried to bridge two ppp devices.
>
>
> you say (http://bridge.sourceforge.net/faq.html) that this is possible:
>
> ... "Linux bridging is very flexible; the LAN's can be either
> traditional Ethernet device's, or pseudo-devices such as PPP, VPN's
or
> VLAN's. The only restrictions are that the devices:" ...
>
>
> i tried this but got "br_add_interface: Invalid argument" when
adding a
> ppp device to the bridge. adding an ethernet device works perfectly!
>
> 00:07:21 protector ~ # brctl addbr br0
> 00:07:22 protector ~ # brctl addif br0 eth2
> 00:07:30 protector ~ # brctl addif br0 ppp0
> br_add_interface: Invalid argument
>
>
>
> the ppp's are done with pppd and pptpd (poptop)
> 00:09:39 protector ~ # pppd --version
> pppd version 2.4.2
> 00:09:44 protector ~ # pptpd --version
> PoPToP v1.1.4-b4
>
>
> any ideas?
>
> best regards, armin.
> --
> armin langhofer
> snail: fischer von erlachstr. 29
> snail: a-5020 salzburg
> phone: +43 699 11648495
> email: office@langhofer.at
> gnupg: http://langhofer.at/pubkey.txt
> _______________________________________________
> Bridge mailing list
> Bridge@lists.osdl.org
> http://lists.osdl.org/mailman/listinfo/bridge
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