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Forum Discussion

NickN01_135377's avatar
NickN01_135377
Icon for Nimbostratus rankNimbostratus
Mar 13, 2015

iRule Switch Help please?

Hello, As an iRule newbie im tring to get my switch statements right instead of using "if" statements. This is for my own learning curve, can someone point me in the right direction please and explai...
nitass's avatar
nitass
Icon for Employee rankEmployee
Mar 13, 2015

e.g.

 configuration

[root@ve11c:Active:In Sync] config  tmsh list ltm rule qux
ltm rule qux {
    when CLIENT_ACCEPTED {
  switch [active_members foo] {
    0 {
      reject
      log local0. "iRule: Reject-No active members in pool foo."
    }
    default {
      switch [expr {([TCP::local_port] >= 636) && ([TCP::local_port] <= 7777)}] {
        1 {
          pool foo
          log local0. "iRule: ACCEPT-Port [TCP::local_port] within range."
        }
        default {
          reject
          log local0. "iRule: ACCEPT-Port [TCP::local_port] not in range."
        }
      }
    }
  }
}
}

 /var/log/ltm

[root@ve11c:Active:In Sync] config  tail -f /var/log/ltm
Mar 13 18:24:08 ve11c info tmm1[15262]: Rule /Common/qux : iRule: ACCEPT-Port 123 not in range.
Mar 13 18:24:13 ve11c info tmm1[15262]: Rule /Common/qux : iRule: ACCEPT-Port 636 within range.
Mar 13 18:24:19 ve11c info tmm1[15262]: Rule /Common/qux : iRule: ACCEPT-Port 1000 within range.
Mar 13 18:24:25 ve11c info tmm1[15262]: Rule /Common/qux : iRule: ACCEPT-Port 8000 not in range.