User manual

The WebMux™ Model 480S, 580SG, and 680PG User Guide – Version 7.0.x

Appendix 1 – How to Add A Loopback Adapter

For out-of-path mode, a loopback adapter or device in similar function is required.

This appendix listed a few different ways to add such a device for different OSes.

Installing the MS Loopback Adapter

1. Click Add Hardware -> Add a new device -> No, I want to select

the hardware from a list, and select Microsoft Loopback Adapter

from the list and click OK.

2. At the MS Loopback Adapter Card Setup screen hit OK to the

default of 802.3

3. You should be prompted for the path to the NT setup files. Click

Continue once the path is correct.

4. Click Close. Reboot maybe necessary. Go to step below for

Configuring the MS Loopback Adapter

1. If not there already, goto Start > Settings > Control Panel >

Network > Protocols tab.

2. Select TCP/IP and click the Properties button

3. You should be at the Microsoft TCP/IP Properties dialog box. Be

sure the MS Loopback Adapter is the Adapter selected. Enter

your farm IP address for IP address (Subnet should be match your

servers, change it if not)

4. Click Apply, then OK, then Yes when prompted to restart the

computer

For Windows 2003 Server, make sure the metric is the highest number in routing

table, stop here. For Windows 2000/NT Systems, please proceed to the

Appendix 2 for remove the route entry in the routing table. For Linux, HP/UX, and

FreeBSD perform the following:

For Linux 2.4/2.6 Systems:

iptables -t nat -A PREROUTING -d <farm_ip> -j DNAT --to-dest <server_ip>

For IP-based virtual hosting with multiple IPs, repeat the command for each farm

IP on all the servers. Don’t forget to add the proper farm IP to each virtual host

configuration.