Forum Discussion

Cirrus

Apr 27, 2020

iRules not working

Hi,

I have set-up one F5 node in lab environment. Everything is working fine except iRules. Some of the iRules are not working, syntax is correct. I tried everything but it is not working. Need ur help. Simple redirect using if statement is not happening. e.g. below one.

F5's is running on 14.1.

if {[HTTP::host] equals "abc.com" }

{HTTP:: redirect "par.com"}

Need your help.

14.1

application delivery

iRules

Mayur_Sutare
Apr 27, 2020
Hello BK,

This is may be happening because there're some changes in iRules syntax/behavior for respond and redirect in 14.1 and 15.x version.

Below article will help you.

https://support.f5.com/csp/article/K23237429
https://cdn.f5.com/product/bugtracker/ID737252.html

Hope it helps!
Mayur

Mayur_Sutare
MVP
Apr 27, 2020
Hello BK,

This is may be happening because there're some changes in iRules syntax/behavior for respond and redirect in 14.1 and 15.x version.

Below article will help you.

https://support.f5.com/csp/article/K23237429
https://cdn.f5.com/product/bugtracker/ID737252.html

Hope it helps!
Mayur
- BK1
  Cirrus
  Apr 28, 2020
  Oh I see! Thanks for letting me know. I was not aware of this change in behaviour. I will try changes suggested in the article. But it's seems to be only workaround but not fix. :-(
  - Mayur_Sutare
    MVP
    Apr 28, 2020
    As of now, this is the only solution.
    Mayur
Sajid
Cirrostratus
Apr 27, 2020
v14 and v15 use policy

if you want irule, try this one

when HTTP_REQUEST {
switch [HTTP::host] {
"abc.com" {
HTTP::respond 301 Location "https://par.com[HTTP::uri]"
}
}
}

👌
BK1
Cirrus
Apr 28, 2020
Thanks Sajid, I will try this one also.
BK1
Cirrus
Apr 30, 2020
Hi Sajid, changes suggested in article shared by Mayur solved my issue. Thank you.
BK1
Cirrus
May 04, 2020
Finally I was able to run all my iRules on my F5 14.1.
Thank you guys.