Nortel Networks WEB OS 212777 User Manual
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Web OS 10.0 Application Guide
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Chapter 13: Firewall Load Balancing
212777-A, February 2002
2.
Create an SLB real server group on the primary clean-side Web switch, to which traffic
will be load-balanced.
The external clients intend to connect to HTTP services at a publicly advertised IP address.
The servers on this network are load balanced by a virtual server on the clean-side Web switch.
SLB options are configured as follows:
N
OTE
–
The virtual server IP address configured in this step will also be configured as a Vir-
tual Server Router (VSR) when VRRP is configured in a later step.
>> # /cfg/slb
(Select the SLB menu)
>> # real 20
(Select real server 20)
>> # rip 10.10.4.20
(Set IP address of real server 20)
>> # ena
(Enable)
>> # ../real 21
(Select real server 21)
>> # rip 10.10.4.21
(Set IP address of real server 21)
>> # ena
(Enable)
>> # ../real 22
(Select real server 22)
>> # rip 10.10.4.22
(Set IP address of real server 22)
>> # ena
(Enable)
>> # ../group 2
(Select real server group 2)
>> # add 20
(Add the real servers to the group)
>> # add 21
>> # add 22
>> # metric leastconns
(Select least connections as the load
balancing metric)
>> # ../virt 1
(Select the virtual server 1 menu)
>> # vip 10.10.4.100
(Set the virtual server IP address)
>> # service http
(Select HTTP for load balancing)
>> # group 2
(Add real server group 2)
>> # ena
(Enable the virtual server)
>> # ../port 4/server ena
(Enable server processing on the port
connected to the real servers)
>> # ../port 3/client ena
(Enable client processing on the port
connected to the firewall)
>> # ../port 9/client ena
(Enable client processing on the inter-
switch connection)