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xen-devel
RE: [Xen-devel] Networking not working
I had this problem when eth0 (tied to br0) was not in promiscuous mode.
The TLAN driver has a bug where PROMISC mode gets reset when the link
comes up (eg when you pull out the cable and put it in again). My
startup would go like this:
. modprobe tlan for eth0
. create bridge (sets PRMOMISC on eth0)
. tlan finishes initialisation, detects link, and resets PROMISC
I created a kernel patch to fix it but it seems to have been largely
ignored. I work around it by putting a sleep in the network interfaces
config and having a cron job set PROMISC every 5 minutes in the unlikely
event that it gets reset.
Try the following:
ifconfig eth0 promisc
(or whatever your Ethernet interface is)
If that fails, try
ifconfig eth0 -promisc
ifconfig eth0 promisc
in the case where the driver thinks it's already in promiscuous mode and
doesn't set the hardware accordingly
HTH
James
> -----Original Message-----
> From: xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx [mailto:xen-devel-
> admin@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Bernhard Duebi
> Sent: Saturday, 9 October 2004 06:09
> To: Xen Virtual Machine Monitor
> Subject: [Xen-devel] Networking not working
>
> Hi,
>
> I try to get xen-unstable working. So far I can boot dom0 and I can
> create dom1. Everything looks fine.
> dom0 can ping dom1 and the rest of the world, but dom1 can only ping
> dom0. What am I doing wrong ?
>
> Sincerely
> Bernhard
>
>
>
>
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