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Home » jumbo frame

vSphere HA Configuration fails: Operation Timed Out

22/07/2015 by Myles Gray 4 Comments

I recently rebuilt my lab and added 2x new ESXi hosts, I re-used my old single host in the process which I upgraded from ESXi 5.5 to 6.0 and patched to the same level as the new hosts. Everything was working as expected until it came for the time to enable HA. My old host […]

Filed Under: Infrastructure, Networks, Virtualisation Tagged With: esxi, ha, jumbo frame, ssl, vcenter, vmware

Teaming ReadyNAS Ultra NICs

12/09/2013 by Myles Gray 5 Comments

Netgear for some reason believe that ReadyNAS models that aren’t the “Pro” line don’t require network teaming across both their ethernet ports, so you have 2 network ports on your NAS, you’ve got your jumbo frames on and you want to configure load balancing/failover via the 2 interfaces. Of course the ReadyNAS is based on […]

Filed Under: Hardware, Software Tagged With: bonding, jumbo frame, nic, readynas, teaming

Change MTU to support Jumbo Frames in FortiOS

09/09/2013 by Myles Gray 5 Comments

This info is quite hard to come across and Fortigate don’t have it in their GUI from FortiOS v5.0+, SSH into your Fortigate’s CLI and enter the following (it can be done on both software aggregated and standard interfaces): config system interface edit [interfacename] set mtu-override enable set mtu 9208 end end Confirm your MTU […]

Filed Under: Hardware, Infrastructure Tagged With: fortigate, jumbo frame, mtu

How to test if 9000 MTU/Jumbo Frames are working

09/09/2013 by Myles Gray 23 Comments

Fairly straight forward this time, you’ve configured your MTU/jumbo frames to be 9000 on your client and destination devices (say a laptop/desktop/server/san/nas) and on ALL your switching devices in between – you’ve done that right? ;) Why not follow @mylesagray on Twitter for more like this!

Filed Under: Hardware, Infrastructure Tagged With: jumbo frame, linux, mtu, networking, osx, windows

Myles Gray

Hi! I'm Myles, and I'm a Dev Advocate at VMware. Focused primarily on content generation, product enablement and feedback from customers and field to engineering. Read More…

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