[ILUG] Ethernet Bridging issues

[Paul Jakma]

On Tue, 7 Dec 2004, Hamilton, David (TSG C&I) wrote:

> I am using the bridge to simulate a satellite link to a number of
> different machines and this is why the VLANs ae required.

I'll take your word for it ;)

> 'Small traffic' does get through easily enough, it's just NFS and X11
> which would generally be 'large' packets that get messed up which would
> certainly point to a VLAN tag problem.

MTU problem.

Get fixed driver(s) or lower MTU by 4 bytes on *all* interfaces on 
that LAN (on both sides of the bridge).

NB: The e100 and e1000 drivers should be grand MTU wise out of the 
box.

> I think I can get around it by reconfiguring the routers on either 
> side and using routing rather than bridging, and moving the machine 
> to the other side of the routers to get away from the VLAN trunk.

Maybe. No idea without getting a network diagramme ;)

> Thanks for your input,
> 	David.

regards,
-- 
Paul Jakma	paul at clubi.ie	paul at jakma.org	Key ID: 64A2FF6A
Fortune:
Bugs, pl. n.:
 	Small living things that small living boys throw on small living girls.