Nortel Networks WEB OS 212777 - Manual (Page 164)

Web OS 10.0 Application Guide
164 n Chapter 6: Server Load Balancing
212777-A, February 2002
Load Balancing Metrics for IDS
The following metrics are supported in IDS load balancing:
n
minmisses
n
roundrobin
Disable delayed binding if you select this metric.
n
hash
To select a real server, Web OS allows you to implement the hash metric in two ways:
o Client processing on port
If the port is configured for client processing only, then the switch hashes on the
source IP address.
o Filter processing on the port
If a filter is configured on the port, then the switch allows you to hash with source IP
address, destination IP address, or both.
N OTE – The leastconns , bandwidth , and response metrics are not applicable to IDS
server load balancing.
Configuring IDS Server Load Balancing
To configure your switch for IDS, do the following:
N OTE – IDS SLB is supported only when RTSP SLB or WAP RADIUS Snooping are disabled
on the Web switch.
1. Configure real servers on the switch that correspond to your IDS servers.
N OTE – Real servers are configured by providing the IP address of the actual server. If your
IDS servers are implemented without an IP address then you should configure a dummy
address for the real server. Also, set the health check of the IDS group to link health check as
shown in
Step 5 of this procedure.
For example, if your IDS servers are connected to port 1 and port 2 on the switch and are not
using IP addresses, you could configure dummy addresses as follows:
>> # /cfg/slb/real 1/rip 1.1.1.1/ena (Define a dummy address)
>> # /cfg/slb/real 2/rip 2.2.2.2/ena (Define a dummy address)