Forum Discussion
Multiple server with one VS
Hello,
Can i use two différents servers with one virtual server, for example :
1/ abc.com :
Vs 172.16.250.100 -----> server1 : 10.10.10.10
2/ xyz.com :
Vs 172.16.250.100 -----> server2 : 10.10.10.11.
Thanks you
- Abdou76 , 
 sure you can do this ,
 try this :- when HTTP_REQUEST { if {[HTTP::host] eq "abc.com"}{ pool pool_1 } elseif {[HTTP::host] eq "xyz.com"}{ pool pool_2 } elseif {[HTTP::host] eq "ghl.com"}{ pool pool_3 } }- Hope it works with you. 
 Regards
- Hi mohamedT - hank you for your great help 
31 Replies
- Hi Abdou76 , 
 Yes , it is doable on F5 by two methods LTM Policies or iRule :
 First :
 > create two pools , and Put " 10.10.10.10 in pool_1" and "10.10.10.11 in Pool_2".- > then , Go to ( Local traffic , Policies ) and follow the below Article , steps to construct you LTM policy : 
 https://techdocs.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/local-traffic-policies-getting-started-12-1-0/1.html
 its quite Long but it is helpful 😀
 - you need to perform such below snap shots :
 Create two rules in LTM policy :- Do not Forget to Publish your Policy to be able to assign it in virtual servers , find below : - > assign your LTM policy to your virtual server " 172.16.250.100" 
 > you can do this Task By iRule :- when HTTP_REQUEST { if { [HTTP::host] eq "abc.com" } { pool_1} elseif { [HTTP::host] eq "xyz.com" } { pool_2} }- > I recommend LTM policy as it is simpe and light on F5 appliance. 
 I hope this helps you.
 Regards- Correct answer, just be careful with iRule syntax because putting parenthesis on new lines like that can result in issues - expecially on the elseif statement. Also, pool command is pool <pool_name> - when HTTP_REQUEST { if {[HTTP::host] eq "abc.com"}{ pool pool_1 } elseif {[HTTP::host] eq "xyz.com"}{ pool pool_2 } }
 I would suggest using LTM policies too, since it uses a configuration template that is better supported during software upgrades, and also typically performs 20% faster.- Hi CA_Valli , 
 I am grateful for your advise ,
 I do add this in my Notes , when implementing iRules.
 Thanks alot
 
 
- Abdou76Cirrus Thanks you for feedback, but thé availability of m'y VS still unknown (blue color)- Okay Abdou76 , 
 make sure to assign a monitor to your pools until make them available.
 Then apply your iRule to your Virtual server.
 The best way to make it available is assigning a default pool directly , but I Tested it on my lab and I see the virtual server available when " all pools that have been used in irule UP and Available by their health monitor "
 Try it
 Regards- Abdou76Cirrus Hi Mohamed Bellow are my captures : 
 
 
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