Virtual Server creation

Hello,

I am new to F5 and using the evaluation version of F5 (Big IP LTM Virtual Edition). I am facing problem while creating the virtual server for tomcat application.

F5 Big-IP LTM VE is running on VMPlayer. And I can access the admin page of F5 via https://>

I want to test F5 with 3 tomcat applications which are running as cluster. All my three tomcat instances are on same machine with different port. http://:8081//cluter-example/test.jsp http://:8082//cluter-example/test.jsp http://:8083//cluter-example/test.jsp I tested out successfully this cluster with Apache server.

As I do not have much idea as how to create Virtual server which will use my newly created pool which has all the three tomcat instances.

I tried to create Virtual server with following parameter: Type : host Address : some random IP address. Service port : 80 with HTTP VLAN and tunnel traffic : All VLAN and tunnel SNAT Pool : autoMap

Afterward I try to access the virtual server as http://>:80 And then getting nothing (I am expecting it should go to one of the tomcat instance) I tried with http://>:80/cluster-example/test.jsp but same result.

In Health monitor side I used Send String : GET /cluster-example/test.jsp

Please let me know what are the things I am missing and why given virtual IP with 80 port as HTTP... its not redirecting to tomcat application side.

-Sandeep

cloud

deployment

vmware

Sandeep_Gupta_1
Nimbostratus
Aug 26, 2013
I tried to change mask via modify command but got the same error.

[root@f5:Active] config tmsh

root@f5(Active)(tmos) list ltm virtual vs_http_sandeep

ltm virtual vs_http_sandeep { destination 172.29.0.251:http ip-protocol tcp mask 255.255.255.255 pool CCE-Tomcat_pool profiles { CCE-Tomcat_lan-optimized_tcp_profile { } } snat automap }

root@f5(Active)(tmos) modify ltm virtual vs_http_sandeep destination 172.29.0.251:80 mask 255.255.254.0 translate-address enabled

01070348:3: Virtual Server vs_http_sandeep destination 172.29.0.251 and netmask 255.255.254.0 are not valid.

root@f5(Active)(tmos) modify ltm virtual vs_http_sandeep destination 172.29.0.251:80 mask 255.255.254.0

01070348:3: Virtual Server vs_http_sandeep destination 172.29.0.251 and netmask 255.255.254.0 are not valid.

Concerning the Network Interface for in and out, I do not know how to create.

Can you please tell me the steps.

When I opened "Network->Interface->Statistics" I can see there are 3 interfaces:

Name: mgmt Status: UP (I can Bits in and out, Packets in and out)

Name:1.1 Status:Uninitialized (No Bits and No Packets)

Name:1.2 Status:Uninitialized (No Bits and No Packets)

Above interface inherited from VMPlayer side as I can see 3 network adapters when I open VmPlayer ->Manage -> Virtual machines setting.

First Network Adapter : Bridge (Automatic) Second Network Adapter : Host Only Second Network Adapter : Host Only

nitass

Employee

Aug 26, 2013

e.g.

root@ve10(Active)(tmos) list ltm virtual vs_http_sandeep
ltm virtual vs_http_sandeep {
    destination 172.29.0.251:http
    ip-protocol tcp
    mask 255.255.255.255
    pool CCE-Tomcat_pool
    profiles {
        CCE-Tomcat_lan-optimized_tcp_profile { }
    }
    snat automap
}

root@ve10(Active)(tmos) modify ltm virtual vs_http_sandeep destination 172.29.0.0:80 mask 255.255.254.0 translate-address enabled

root@ve10(Active)(tmos) list ltm virtual vs_http_sandeep
ltm virtual vs_http_sandeep {
    destination 172.29.0.0:http
    ip-protocol tcp
    mask 255.255.254.0
    pool CCE-Tomcat_pool
    profiles {
        CCE-Tomcat_lan-optimized_tcp_profile { }
    }
    snat automap
}

root@ve10(Active)(tmos) modify ltm virtual-address 172.29.0.0 arp enabled

root@ve10(Active)(tmos) list ltm virtual-address 172.29.0.0
ltm virtual-address 172.29.0.0 {
    mask 255.255.254.0
}

Sandeep_Gupta_1
Nimbostratus
Aug 26, 2013
I tried again now with changed destination address and new net mask and got the same error.

root@f5(Active)(tmos) modify ltm virtual vs_http_sandeep destination 172.29.0.252:80 mask 255.255.254.0 translate-address enabled

01070348:3: Virtual Server vs_http_sandeep destination 172.29.0.252 and netmask 255.255.254.0 are not valid.

Just to know you are also using the LTM VE 10.1.0.3341.1084?

I am still thinking that there is something missing out in my configuration.

Should I reinstall all the things I mean download the new copy of LTM VE 10.1.0.3341.1084 and then run it via VMPlayer ? I can not change version of LTM VE i.e 10.1.0.3341.1084 because its a trial.

-Sandeep
nitass
Employee
Aug 26, 2013
01070348:3: Virtual Server vs_http_sandeep destination 172.29.0.252 and netmask 255.255.254.0 are not valid.

172.28.0.252 is not a network address...
Sandeep_Gupta_1
Nimbostratus
Aug 26, 2013
Ok I tried modifying another virtual server which has initial IP as 172.29.0.44 :

root@f5(Active)(tmos) list ltm virtual CCE-Tomcat_virtual_server

ltm virtual CCE-Tomcat_virtual_server { destination 172.29.0.44:http ip-protocol tcp mask 255.255.255.255 persist { CCE-Tomcat_persist_profile { default yes } } pool CCE-Tomcat_pool profiles { CCE-Tomcat_lan-optimized_tcp_profile { } CCE-Tomcat_one_connect_profile { } bea_weblogic_http-lan-optimized-caching_shared_http { } } snat automap }

root@f5(Active)(tmos) modify ltm virtual CCE-Tomcat_virtual_server destination 172.29.0.50:80 mask 255.255.254.0 translate-address enabled 01070348:3: Virtual Server CCE-Tomcat_virtual_server destination 172.29.0.50 and netmask 255.255.254.0 are not valid.

Sorry for troubling lots !!!

-Sandeep
nitass
Employee
Aug 26, 2013
the network address is 172.29.0.0/23.

(tmos) modify ltm virtual CCE-Tomcat_virtual_server destination 172.29.0.0:80 mask 255.255.254.0 translate-address enabled

you may have to enable arp on 172.29.0.0/23 virtual address. please make sure you understand its affect before enabling it.

(tmos) modify ltm virtual-address 172.29.0.0 arp enabled
Sandeep_Gupta_1
Nimbostratus
Aug 26, 2013
Ok its worked only when I used 172.29.0.0 but If I used 172.29.0.16 (as this IP is available for the moment) then got the same error. Strange. Anyway I went ahead and changed 172.29.0.0 with mask 255.255.254.0 and enabled arp as well. But accessing this VS IP via browser ... got the same error which I had earlier.
nitass
Employee
Aug 26, 2013
But accessing this VS IP via browser ... got the same error which I had earlier.

can you post the virtual server and pool configuration?

tmsh list ltm virtual (virtual server name) tmsh list ltm pool (pool name)
Sandeep_Gupta_1
Nimbostratus
Aug 26, 2013
root@f5(Active)(tmos) list ltm virtual vs_http_sandeep

ltm virtual vs_http_sandeep { destination 172.29.0.0:http ip-protocol tcp mask 255.255.254.0 pool CCE-Tomcat_pool profiles { CCE-Tomcat_lan-optimized_tcp_profile { } } snat automap }

root@f5(Active)(tmos) list ltm pool CCE-Tomcat_pool

ltm pool CCE-Tomcat_pool { load-balancing-mode least-connections-member members { 172.29.1.51:tproxy { monitor CCE-Tomcat_monitor priority-group 1 state up } 172.29.1.51:us-cli { monitor CCE-Tomcat_monitor priority-group 1 state up } 172.29.1.51:us-srv { monitor CCE-Tomcat_monitor priority-group 1 state up } } monitor CCE-Tomcat_monitor }
nitass
Employee
Aug 26, 2013
is there any specific reason you are using network virtual server (i.e. 172.29.0.0/23)? can you pick up one available ip address and setup host virtual server instead?

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