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 […]
Teaming ReadyNAS Ultra NICs
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 […]
Change MTU to support Jumbo Frames in FortiOS
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 […]
How to test if 9000 MTU/Jumbo Frames are working
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? ;)