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[Xen-devel] network hang trigger

To: <xen-devel@xxxxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] network hang trigger
From: "James Harper" <JamesH@xxxxxxxxxxxxxxxx>
Date: Wed, 15 Sep 2004 17:23:49 +1000
Delivery-date: Wed, 15 Sep 2004 08:26:30 +0100
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Thread-index: AcSa9PI1lMwmbozTTY++cFTOZtfULw==
Thread-topic: network hang trigger
I have found that simply doing a ping with packetsize > 1500 (maybe
mtu???) causes the network to hang for a short time. This is from xenU
and xen0 on the same machine.

Can someone else _please_ test this? I am able to make the network hang
by saying from domU:
ping -s 1473 <dom0 ip>
(1473 + 28 byte header = 1501 byte packet)

I'll do more testing tomorrow.

thanks

James


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