Network Router User Manual

Web OS 10.0 Application Guide
348
Chapter 13: Firewall Load Balancing
212777-A, February 2002
To use free-metric FWLB in this network, the following configuration changes are necessary.
1. On the clean-side Web switches, enable RTS on the ports attached to the firewalls (port 3)
and on the interswitch port (port 9).
On both clean-side switches:
2. On the clean-side Web switches, remove the redirection filter from the ports attached to
the real servers (ports 4), but make sure filter processing is enabled.
To view the original redirection filters that were configured for the four-subnet example, see
Step 3. on page 343.
On both clean-side switches:
3. On the dirty-side Web switches, set the FWLB metric.
On both dirty-side Web switches:
Any of the following load-balancing metrics can be used: hash, leastconns, roun-
drobin, minmiss, response, and bandwidth. See “Metrics for Real Server Groups”
on page 131 for details on using each metric.
NOTE – Some metrics allow other options (such as weights) to be configured.
>> # /cfg/slb/port 3/rts enable
>> # ../port 9/rts enable
>> # ../port 4/rem 224
>> # filt ena
>> # ../group 1
>> # metric <metric type>