[122708] in North American Network Operators' Group
Re: Intel 10Gb on VMware (AMD) ESX 4.0 intermittent problem
daemon@ATHENA.MIT.EDU (Shane Short)
Sat Feb 20 06:41:46 2010
From: Shane Short <shane@short.id.au>
In-Reply-To: <4B7FC239.8030109@kingrst.com>
Date: Sat, 20 Feb 2010 19:41:05 +0800
To: Steven King <sking@kingrst.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
We had this once before on an Intel GigE ethernet adapter..
The hacky fix was to leave a ping running continuously (mtr in this =
case) which solved the problem.
Sounds like a arp/mac learning issue-- I think it got fixed when we =
re-installed ESXi on that machine.
-Shane
On 20/02/2010, at 7:06 PM, Steven King wrote:
> Have you applied the ESX patches. I don't run ESX, but ESXi, and there
> was a firmware patch that addressed some networking issues on Linux
> systems. Might give that a try if you have not already.
>=20
> On 2/19/10 3:52 PM, LEdouard Louis wrote:
>> Has anyone experience problems using Intel 10 Gb NIC on VMware (AMD) =
ESX
>> 4.0?
>>=20
>>=20
>>=20
>> Some VM's are experiencing intermittent network drop issues even =
though
>> the actual VM is online. The VM are unable to ping out or respond to
>> ping and sometime unable to ping VM-to-Vm on the same physical =
server.
>>=20
>> The problem is only on some VM's on the same ESX host. We move the =
vms
>> to another ESX 4.0 with same Intel 10 GB card, the problem is =
resolve,
>> but return days later with same VM at new location.
>>=20
>>=20
>>=20
>> The Intel 10 GB has VMDQ features was not sure if that is part of the
>> problem.
>>=20
>>=20
>>=20
>> Thanks in advance
>>=20
>> --Louis
>>=20
>>=20
>=20
> --=20
> Steve King
>=20
> Network Engineer - Liquid Web, Inc.
> Cisco Certified Network Associate
> CompTIA Linux+ Certified Professional
> CompTIA A+ Certified Professional
>=20
>=20
