[PVE-User] kernel not routing bridge connections

Guy guy at britewhite.net
Fri Jun 8 08:46:03 CEST 2012


Yup that might be it...

41:00.0 Ethernet controller [0200]: Intel Corporation 82576 Gigabit Network Connection [8086:10c9] (rev 01)

Cheers,
---Guy


On 8 Jun 2012, at 05:24, Dietmar Maurer wrote:

> What network card do you have? We recently updated intel e1000e/igb/ixgbe drivers, and some users already reported problems with that.
>  
>  
> From: pve-user-bounces at pve.proxmox.com [mailto:pve-user-bounces at pve.proxmox.com] On Behalf Of Guy
> Sent: Donnerstag, 07. Juni 2012 20:15
> To: Fábio Rabelo
> Cc: pve-user at pve.proxmox.com
> Subject: Re: [PVE-User] kernel not routing bridge connections
>  
> hmm.. good thinking.. however...
>  
> it's commented out currently, and with the older kernel it's still working..
>  
> I've not tried to uncomment it and use the new kernel though.
>  
> --Guy
>  
> On 7 Jun 2012, at 19:07, Fábio Rabelo wrote:
> 
> 
> Just a thought :
> 
> To get bridges work kernel must accept packages forward, and in Debian Family you need to edit /etc/sysctrl and uncoment :
> 
> net.ipv4.ip_forward=1
> 
> To make it work, check it !
> 
> 
> Fábio Rabelo
> 
> 
> 2012/6/7 Guy <guy at britewhite.net>
> Hello... Me again!
> 
> I run my proxmox systems with many VLAN bridged interfaces...eg.
> 
> vmbr10  eth2.4010
> 
> I have lots of these and all works really well..until... I rebooted the system and when it came back it was running a newer kernel.
> 
> Linux fevirt 2.6.32-12-pve #1 SMP Tue Mar 20 09:25:26 CET 2012 x86_64 GNU/Linux
> 
> it seems that when I have this kernel running, I can ping between the KVM images but not traffic comes into the systems, I found this by TCP dumping the network... I could see loads of ARP requests leaving the KVM image.. and I can see them on the edge routers and the responses.. but they never made it back to the system.
> 
> I finally rebooted the proxmox and selected the previous kernel..
> 
> Linux fevirt 2.6.32-10-pve #1 SMP Tue Mar 20 09:25:26 CET 2012 x86_64 GNU/Linux
> 
> and now it's all working again!.
> 
> Let me know if you need anything more.
> 
> Cheers,
> ---Guy
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> 
>  

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