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Re: [Xen-users] cross hypervisor communication problem

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] cross hypervisor communication problem
From: Eric Ross <eross@xxxxxxx>
Date: Wed, 20 Aug 2008 07:59:29 -0500
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> By hypervisor I presume you actually mean domU?

No, Dom0, sorry about the confusion.

I am not experiencing this problem with the VMs.

---------------------------------------------------------------------
Eric Ross
Linux Systems Administrator
Argonne National Laboratory
Computing and Information Systems
Phone: 630.252.2600
---------------------------------------------------------------------


Andy Burns wrote:
> 2008/8/19 Eric Ross <eross@xxxxxxx>:
> 
>> If I start a ping on hypervisor FOO to hypervisor BAR, the ping will
>> fail, saying that the destination host cannot be reached.  However, if I
>> start a ping on FOO to BAR, and, at the same time, start a ping from BAR
>> to FOO both commands will succeed.
> 
> By hypervisor I presume you actually mean domU?
> 
> Sounds like a MAC address or bridging issue, did you copy BAR from
> FOO's xen config file? If so did you change the MAC address?  What
> does a "brctl show" on the dom0 look like?  Or an "ifconfig -a" on FOO
> and BAR and the dom0?
> 
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