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Configuring IP
NOTE: The host-based load sharing for the destination takes effect only if the IP route table contains an entry
that exactly matches the destination network you specify. For example, if you configure host-based load sharing
for destination network 207.95.7.0/24, the IP route table must contain a route entry for that network. In fact, for
load sharing to occur, the IP route table needs to contain multiple equal-cost paths to the network.
To enable host-based load sharing for a specific destination network, use the following CLI method.
USING THE CLI
To enable host-based load sharing for a specific destination network, enter a command such as the following at
the global CONFIG level of the CLI:
HP9300(config)# ip load-sharing route-by-host 207.95.7.0/24
This command configures the routing switch to use host-based load sharing for traffic to destinations on the
207.95.7.0/24 network. The routing switch uses network-based load sharing for traffic to other destination
networks.
Syntax: [no] ip load-sharing route-by-host <ip-addr> <ip-mask>
or
Syntax: [no] ip load-sharing route-by-host <ip-addr>/<mask-bits>
USING THE WEB MANAGEMENT INTERFACE
You cannot configure this option using the Web management interface.
Disabling Host-Based Load-Sharing
You can disable host-based load sharing for specific destination networks or for all networks. When you disable
host-based load sharing for a destination network (or for all destination networks), the software removes the host-
based forwarding cache entries for the destination network(s) and uses network-based forwarding entries instead.
NOTE: This method applies only to networks for which you have explicitly enabled host-based load sharing. If
you have enabled host-based load sharing globally but want to change to network-based load sharing, enter the
no ip load-sharing by-host command at the global CONFIG level of the CLI.
Use either of the following methods to disable host-based load sharing for destination networks for which you have
configured the feature.
USING THE CLI
To disable host-based load sharing for all the destination networks for which you have explicitly enabled the host-
based load sharing, enter the following command at the global CONFIG level of the CLI:
HP9300(config)# no ip load-sharing route-by-host
To disable host-based load sharing for a specific destination network, enter a command such as the following:
HP9300(config)# no ip load-sharing route-by-host 207.95.7.0/24
This command removes the host-based load sharing for the 208.95.7.0/24 network, but leaves the other host-
based load sharing configurations intact.
USING THE WEB MANAGEMENT INTERFACE
You cannot configure this option using the Web management interface.
Changing the Maximum Number of Load Sharing Paths
By default, IP load sharing allows IP traffic to be balanced across up to four equal paths. You can change the
maximum number of paths the routing switch supports to a value from 2 – 8.
For optimal results, set the maximum number of paths to a value at least as high as the maximum number of
equal-cost paths your network typically contains. For example, if the routing switch you are configuring for IP load
sharing has six next-hop routers, set the maximum paths value to six.
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