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Vswif mtu increase

Posted on 2009-06-29
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Last Modified: 2012-05-07
Does the mtu go higher than1500 on the vswif nic on the cos? I have the vswitch at 9000 but need to change the nic.
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Question by:dblake15
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by:vmwarun - Arun
ID: 24736862
Any specific reasons for enabling this option ?

Any MTU more than 1500 bytes should be supported by your NIC.
What NIC model are you using ?

These frames are called Jumbo Frames (9000 Bytes MTU)

By the way how did you set the MTU to 9000 in vSwif ?
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davismisbehavis earned 500 total points
ID: 24740030
The excellent Scott Lowe has a good article about setting Jumbo Frames on ESX for IP Storage,  the commands will work the same for your service console I would imagine.

http://blog.scottlowe.org/2008/04/22/esx-server-ip-storage-and-jumbo-frames/ 

It should be noted however that Scott does mention that officiallyjumbo frames are only supported for virtual machines.  This post is from last year so it would be worth checking what the situation is with Support for the COS.
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