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Re: [Xen-users] Live migration - Networking take 2 minutes or so to retu

To: xen-users <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] Live migration - Networking take 2 minutes or so to return & MAX_SKBUFF_ORDER error
From: "Martin Hierling" <martin@xxxxxxxxx>
Date: 2008年8月12日 12:06:27 +0200
Delivery-date: 2008年8月12日 03:07:04 -0700
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Hi,
> An RDP connection seems to cut network migration time down to about
> 20seconds so at least it helps. Pinging the router from within the VM
> during migration means I only lose 4 pings and about 5 seconds downtime.
> I'm guessing this issue might be down to the cheap router and switches
> we use in the office, hopefully it will be OK once it is in a production
> environment with much better Cisco gear.
i have my xen stuff connected to a cisco 3750 and sometimes i lose 1
ping, sometimes i only have some high ms ping time.
But that is switch related, not router. the router has the same IP/MAC
pair, even if you migrate, the switch needs the time to see the new
mac on the new switchport.
try it with cisco.
regards Martin
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