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Forum Discussion

MACTEP's avatar
MACTEP
Icon for Altocumulus rankAltocumulus
Feb 25, 2013

Check if static variable exists before referencing to it

Hi All,     I have created an iRule performing DNS lookup and storing the result in static variable, so it could be referred from another iRule.   ....   set static::my_variable "some v...
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nitass's avatar
nitass
Icon for Employee rankEmployee
Feb 26, 2013
you know changing static global variable (outside RULE_INIT) won't be synchronized to other tmm (it will change static global variable value on local tmm only), don't you?

 

 

This namespace is intended only for use with values that will not change. While it is possible to alter the value of a global variable in the static namespace, this value will not be propagated to other CMP nodes in the system. Therefore, doing so may lead to unexpected results. If you need to share information across CMP nodes, you should use the session or table commands instead.static wiki

 

https://devcentral.f5.com/wiki/irules.static.ashx