If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.
Linksys (LAN Port 1) (LAN Port 2) 172.30.20.0/24
D-Link (WAN) D-Link (WAN)
|Accessing SQL Server Instance from outside the network||29||106|
|Point to point connection slow in one direction only||15||46|
|Current Mac OS X Network Profiles and Firewall||5||55|
|Switch ports not working||8||33|