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C H A P T E R 18 Server Load Balancing (SLB)
397
enable slb vip [<vipname> | all] client-
persistence {mask <mask>}
Enables client persistence and specifies the
timeout and client address mask. If the
client sets up multiple sessions to a virtual
server, all sessions must connect to the
same physical node.
Enabling client persistence instructs the
switch to forward new session requests
from the same client (or clients on the same
network using the
mask argument) to the
same node. The association between the
client and physical node is ended after the
specified timeout. The default is disabled.
enable slb vip [<vipname> | all] service-check Enables L7 service checking based on:
• If a service check is already configured,
it uses the user-configured service-
checking information.
• If a service-check is not explicitly
configured and a well-known port is
used when creating a VIP, the switch
guesses the application based on the
well-known port number and starts the
L7 service checker with the global
default parameters.
enable slb vip [<vipname> | all] sticky-
persistence {netmask <mask>}
Enables sticky persistence and specifies the
timeout. Sticky persistence is usually used
to load balance firewall and Web caches.
When enabled, the switch forwards all
traffic and new sessions toward a
destination address (or address within a
certain subnet boundary specified by the
mask argument) to the same physical node.
The default setting is disabled.
Table 18.4: Advanced SLB Commands
Command Description