RE: [Xen-devel] virbr0/bridge: No such file or directory, rhel6 bridge-utils IGMP snooping

[Scott Meyers <scottmeyers@xxxxxxxx>]

In response to your questions:
 

> - do you have ip_forwarding (routing) enabled in dom0?

No. That was not mentioned or required according to your tutorial.

 
> - How are your firewall rules in dom0?


Disabled

 
> - Is dnsmasq running?
No, dsnmasq was not running. I started dnsmasq, but didn't solve the problem.

 

> - Do you see domU dhcp requests in system logs (from dnsmasq) ?


No. I always set dhcp off. I use static ips.


> - After the domU is started run "brctl show" - is the domU vif connected to 
> virbr0 bridge?


It showed:

bridge name bridge id STP enabled interfaces
virbr0 8000.feffffffffff yes


> - Run "tcpdump -i virbr0 -nn" - do you see the traffic from the vm?
> - Does the domU get an IP? 

Nope.

Why Xen v4.x is so buggy and difficult to deal with? I didn't have these 
problems using version 3.x. Does that mean v4 in still in beta?

We are planning to use v4 on a production server. Can we trust this system?

 

 

> Date: Tue, 30 Aug 2011 00:23:24 +0300
> From: pasik@xxxxxx
> To: scottmeyers@xxxxxxxx
> CC: xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] virbr0/bridge: No such file or directory, rhel6 
> bridge-utils IGMP snooping
> 
> On Mon, Aug 29, 2011 at 03:52:59PM -0500, Scott Meyers wrote:
>

> virbr0 is created by libvirtd/dnsmasq, so it's not really part of Xen.
> 
> Anyway, some things to verify:


                                          
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