The F5 BIG-IP product family comprises purpose-built, enterprise-grade hardware, software and virtual load balancers.

learn more… | top users | synonyms

1
vote
0answers
49 views

Application Fail over not working in apache 2.2 web server configured with BIG IP (f5) load balancer

I am using Apache 2.2 in front of my JBOSS 5.2 application server in a cluster configuration . The two nodes of the cluster configuration resides on different host . This configuration is hosted on ...
0
votes
1answer
64 views

F5 allow user to access iControl RESTful API

I'm trying to interact with an F5 load balancer using the REST api. I have verified that iControl is enabled, however when I try and run a command, I am told that I am unauthorized. curl -k -u ...
1
vote
1answer
2k views

301 redirect Rule For Load Balance F5 BigIp

I have a load balancer F5 Big ip for my website. Currently, I am having 302 redirect in place; however, I wanted to apply 301 but dont know how. For example: My website (abc.com) when typed 302 ...
0
votes
0answers
10 views

VPN ondemand iOS8 and bonjour broken

So we use VPNondemand using the f5 edge client on our iPhones. This works pretty slick you make a shortcut to an internal website say mysite.mydomain.local and then in the config for the f5 client ...
0
votes
0answers
17 views

F5 Irule to Netscalar olicy

I am new to netscalar, Can someone tell me how to convert the below F5 irule to netscalar policy. F5 iRule: when HTTP_RESPONSE { if {[HTTP::cookie exists "e1AppState"]} { if {[HTTP::cookie ...
2
votes
1answer
992 views

What's the best way to detect whether an incoming request is secure?

Is there a preferred method of detecting HTTP vs. HTTPS on an incoming request to an F5 load-balancer? We are attempting to detect secure vs. non-secure with an iRule and pass a corresponding header ...
0
votes
0answers
43 views

F5 Load Balancing - axd files comes with 401 Unauthorized

I've got a problem I'm trying to resolve for some time. We have: 1 F5 Load Balancer 2 IIS servers with the same machine/validation keys behind the F5 LB Our problem is that our application hosted ...
1
vote
0answers
35 views

Configuring an F5 BIG-IP configuration on amazon EC2

I am a newbie to f5 BIG-IP. I want to configure an f5 BIG-IP instance to load balance 2 apache webservers under it. I am following the documentation in following link. But not clear how to route ...
1
vote
1answer
100 views

F5 routes all REST requests from one client to same host

I have a rest webservice clustered behind an F5 using SSL Termination, SSL persistence and the balancing is "least connections". This service sees millions of messages per day. The vast majority of ...
1
vote
1answer
795 views

Big IP orphaned connections

Let me state up-front that I know just enough about networking at this level to be dangerous, so if I say something stupid, please be kind. I am using a Big IP load balancer in front of 3 Apache ...
1
vote
3answers
4k views

Big IP F5 Basics (show run/show conf/term len 0)

I've tried to find the basics in a Big IP manual but it seems to me the device is marketed towards GUI users only. Meanwhile I want to write a few scripts to automate tasks on the load balancer. ...
0
votes
2answers
1k views

Problem while adding a route to F5 BigIp version 9

I want to add a route for outbound traffic from BigIp v9. I have WANem machine configured which simulates the network traffic and want to add this as a router between BigIp9 virtual server and Client. ...
1
vote
2answers
2k views

F5 BIG_IP persistence iRules applied but not affecting selected member

I have a virtual server. I have 2 iRules (see below) assigned to it as resources. From the server log it looks like that the rules are running and they select the correct member from the pool after ...
0
votes
2answers
489 views

F5 LTM 10.2 and MSSQL 08R2

We have a mirrored SQL server setup with a pair of LTM's holding the mirror VIP. We're trying to setup a health monitor that runs a query against both servers in the mirror and directs traffic to the ...
1
vote
3answers
698 views

What are the licensing requirements for the Big IP F5 Load balancer?

I've seen older f5's on ebay for about $500 for a pair. I've heard they work great for load balancing, but I'm trying to figure out what the ongoing costs for them are. Does anyone know what kind of ...
10
votes
2answers
995 views

Changing node IP addresses in F5 BigIP configuration

I need to re-ip about 600 servers, which is bad enough by itself, but I've automated the entire process except for one part: F5 configuration. In all the documentation I can find, there is nothing ...
-1
votes
1answer
254 views

How to specify proxy server big ip f5? [closed]

We are attempting to setup a big ip f5 and need outbound internet traffic to flow through proxy servers. Is that possible?
7
votes
2answers
1k views

F5 Load Balancer Resends Request On Timeout

Let me preface this by saying I am not a systems administrator, I'm a programmer. Recently, our systems administrators installed F5 load balancers. Since then, I've noticed that any time a request ...
0
votes
2answers
233 views

F5 authentication using kerberos keytab

Our network gear use tacplus for authentication and authorization. tac itself authenticates using kerberos. For one of the projects we need automated login to a F5 device using a script. Does anyone ...
0
votes
3answers
1k views

F5 Networks VPN

I have a Windows 2008 server which needs to establish a VPN connection to a company that is using a product from F5 Networks. They sent a VPN URL, username and password to me for establishing the ...
2
votes
2answers
123 views

configure F5 via Puppet

I have an Ubuntu PuppetMaster instance. I need to manage a F5 BIG-IP (v10.2.4) device. I'm following the directions for the Puppet Labs F5 module ( http://forge.puppetlabs.com/puppetlabs/f5 ). Is ...
1
vote
1answer
204 views

How a F5 can handle multiple virtual IP address on different network?

I'm confusing when design an F5 system. I have to using F5 with two networks subnet, for each network we need a virtual IP. The problem is F5 have only one default gateway so I only can choose one of ...
10
votes
3answers
27k views

What is the downside to sticky sessions with load balancers?

We have a web farm of IIS7 machines which work great. In front of them is an F5 Big-IP hardware load balancer, also working fine :) Currently we're using an ASP.NET State Service to handle our ...
0
votes
1answer
36 views

What is the request flow in BIG-IP load balancers for NONE preference?

I would like to know to which member does the request will be first directed to when NONE preference is set in the BIG-IP load balancers. From this link, there are three ways to set the redundancy ...
-1
votes
1answer
170 views

F5 BigIP limiting the amount of sources able to connect to a virtual server

In an F5 bigIP LTM with sw version 11.4.1, is it possible to have multiple sources addresses for a virtual server? The objective is to limit the number of sources from where the virtual server can be ...
0
votes
0answers
50 views

Format of BIG-IP configuration file?

Anyone knows if the config file for BIG-IP load balancers follow an official format or is it something F5 specific?
0
votes
0answers
196 views

Server A can see B, but B can't see A

I am setting up a network with a CentOS client, a CentOS server and a BIG-IP. The network looks like this: (client) < -- > (BIG-IP) < -- > (server) The client is on a 10.10.20.x ...
0
votes
0answers
706 views

Return F5 BigIP LTM pool member name in HTTP response header

I currently have several F5 BigIP LTM pools of Windows servers. There is a high level IIS config setting on each server that adds a header to identify the server from which the response came. ...
1
vote
1answer
857 views

F5 Big-IP and WSS WebSockets

We have a F5 Big-IP load balancer that handles the SSL, so the servers behind it get HTTPS rather than HTTP (SSL off loading). I don't have version handy, but in the login page I can see "Copyright ...
2
votes
1answer
132 views

Way to convert claims tokens to Kerberos that SP2010 accepts

I'm hoping there is an F5 way to do what is described in this article: http://blog.auth360.net/2010/12/03/the-triumvirate-uag-2010sp1-ad-fs-2-0-and-kerberos/ Users login to a mobile app using ...
0
votes
0answers
152 views

Is it possible to persist a session after a server as been removed from a load balanced server pool on an F5

We have a server farm hosted in a co-location data center, because of uptime SLA's in our contract we have zero access to the F5 Load Balancer. I am curious if the following is possible to achieve. ...
5
votes
1answer
2k views

How can I disable and re-enable machines in a BIG-IP pool via ssh?

I can't seem to find any simple examples of disabling and re-enabling machines using the ssh interface. Can someone give me a brief example or a pointer to decent documentation?
0
votes
1answer
814 views

F5 Big-IP : iRule optimization of nested switch

F5 BIG-IP 10.2.4 My iRule needs to exact-match on host and wild-card match on path. when HTTP_REQUEST { switch [string tolower [HTTP::host]] { "internal.mycompany.com" { switch -glob ...
0
votes
1answer
470 views

F5 Big-IP : pool monitors at member node level

BIG-IP 10.2.4 When configuring a pool, I can assign a monitor at pool-level. But I can also drill-down into each member node and assign a monitor. What is a use-case for assigning a health-monitor ...
0
votes
1answer
135 views

Any iControl API equivalent to 'b merge' in BIG-IP?

I want to deploy configurations (virtual server, pools) to my bigip server, based on the files which have same format as /config/bigip.conf. However, the iControl 'create' API for virtual server and ...
0
votes
2answers
196 views

Big IP F5 outbound HTTP issues

We've tried upgrading from 9.x to 10.2 on our F5 Big IP 3400 and everything went over fine apart from one thing. We're unable to establish any outbound HTTP (80) connections from any servers that are ...
2
votes
4answers
2k views

Testing strategies for f5 bigip

I am a developer who is used to being able to test and debug code. Occasionally I have to make changes to our load balancer configuration. As far as I can see, if I mess this up it could stop the ...
2
votes
4answers
3k views

F5 Networks iRule/Tcl - Escaping UNICODE 6-character escape sequences so they are processed as and reinserted as the 6-character sequence?

We are trying to get an F5 BIG-IP LTM iRule working properly with SharePoint 2007 in an SSL termination role. This architecture offloads all of the SSL processing to the F5 and the F5 forwards ...
3
votes
3answers
475 views

Is it generally better to compress content on the proxy server or the app server?

We're using an F5 for load balancing and SSL proxying. Behind it we're serving up java applications with Tomcat instances. These are fairly small applications - hundreds of concurrent users. I'd ...
0
votes
1answer
171 views

HTTP-CLASS-Redirecting traffic-F5

Can we redirect https traffic to a particular real server using http-class in F5? i.e whether http-class works with both http and https traffic.?
1
vote
2answers
724 views

F5 Action on Service Down

Does anyone know how the F5 rebalances traffic when you configure "Action on Service Down" to None. i.e say there are active connections and your have updated the health check so that the server is ...
1
vote
2answers
2k views

F5 Packet filtering or iRules or both?

I need to set-up a custom filter for a virtual host that requires both ip address checks and URL check. Like so: _if_ _(_ http-request matches url _and_ ip is from certain host/net range _)_ ...
0
votes
3answers
3k views

does bigIP support sticky session

Does BIG IP support sticky sessions? I have 2 apache's behind a Big IP box at my partner end. Need to know whether Big IP supports sticky sessions. My apache has the sticky session enabled. All ...
0
votes
0answers
751 views

apache2 Redirect permanent and ProxyPass confusion

I am trying to setup an apache2 in front of a JBoss application. There are 2 servers with this setup. There is a hardware load balancer in front of the 2 apache2. The setup looks something like: ...
1
vote
1answer
76 views

Server won't reply to POST request

I'm working on a WordPress site that's served by two lighttpd backends behind an F5 load balancer. Previously, the site was served by a single lighttpd server behind a nginx reverse proxy, and ...
6
votes
2answers
5k views

F5 Big-IP, X-Forwarded-For and IIS Logs

I've got an F5 Big-IP that is mangaged by our hosting provider. It's dedicated to our private VLAN, etc. Works great :) We requested them to add in an X-Forwarded-For HTTP-Header field. They've done ...
2
votes
1answer
1k views

How-To Configure Weblogic, Agile PLM and an F5 LTM

Agile, Weblogic, and an F5 walk into a bar ... I've got this Agile PLM v 9.3 Running on WebLogic, two managed servers. An F5 BigIP LTM. We're upgrading from Agile v 9.2.1.4 running on OAS. The ...
1
vote
1answer
511 views

F5 BigIP upgrade from 9.x to 10.x

Having a few difficulties upgrading a Big IP 3400 from 9.4.8 to any version 10.x image. The following are the versions I've tried: 10.1.0.3341.0 10.2.2.763.3 10.2.3.112.0 10.2.4.577.0 To upgrade ...
1
vote
1answer
423 views

WCF custom certificate validator not invoked in BIG-IP environment

My WCF service with a custom client certificate validator works fine in my non load balanced environment. When first deployed to BIG-IP environment there was a problem with it stripping SSL ...
0
votes
1answer
495 views

Predictive vs Least Connection Load Balancing Techniques

I have a windows based desktop application that communicates via TCP to the application servers. (windows 2003). No sticky sessions between client calls. We have exactly 2 servers to load balance and ...