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Re: [Xen-users] Bridge does not deliver all packets

from [Jaroslaw Zdrzalek]

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Subject:	Re: [Xen-users] Bridge does not deliver all packets
From:	"Jaroslaw Zdrzalek" <Jaroslaw.Zdrzalek@xxxxxxxxxxxxxxxx>
Date:	Tue, 23 Jan 2007 15:01:41 +0100
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Am Dienstag 23 Januar 2007 13:30 schrieb Alexander Feder:
> Hi!
> 
> I was forced to upgrade from a perfectly working system (debian sid,  
> kernel 2.6.16-1 with xen 3.0.2) to 2.6.18 with xen 3.0.3 due to some  
> obscure reasons.
> Well, after everything was set up I realized that my domUs can no  
> longer communicate as before.
..
> 
> dom0:/etc/xen# iptables -L -vv -n
> [..snip..]
> Chain FORWARD (policy DROP 353 packets, 22270 bytes)

look here, your firewall ist dropping packets!

> pkts bytes target     prot opt in     out     source                
> destination
> 217K   24M ACCEPT     0    --  xenbr0 xenbr0  0.0.0.0/0             
> 0.0.0.0/0
>      0     0 ACCEPT     0    --  *      *       84.xx.xxx.231         
> 0.0.0.0/0           PHYSDEV match --physdev-in vif7.0
>      0     0 ACCEPT     udp  --  *      *       0.0.0.0/0             
> 0.0.0.0/0           PHYSDEV match --physdev-in vif7.0 udp spt:68 dpt:67
>      0     0 ACCEPT     0    --  *      *       84.xx.xxx.232         
> 0.0.0.0/0           PHYSDEV match --physdev-in vif10.0
>      0     0 ACCEPT     udp  --  *      *       0.0.0.0/0             
> 0.0.0.0/0           PHYSDEV match --physdev-in vif10.0 udp spt:68 dpt:67

and your rules doesnt match!

so have a look at a wiki:
http://wiki.xensource.com/xenwiki/XenNetworking#head-602e26cd4a03b992f3938fe1bea03fa0fea0ed8b

This may not answer all of your questions, but it makes thinks easer to debug.

> [..snip..]

cheers
Jaroslaw

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