While setting up a new network for iSCSI operation here are the things we need to check and configure:
Check the general notes here: http://technet.microsoft.com/en-us/library/ee338480%28v=ws.10%29.aspx especially the “Networking best practices section” there.
The most relevant parts are:
- Use a a separate LAN or setup VLAN for iSCSI traffic
- Use CHAP (at least)
- Configure Jumbo Frame size
- Use multiple NICs
- Configure MPIO, use vendor’s DSM if available.