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Finding which virtuals are associated with a pool

So, at the end of the day I want to be able to create a perl script that allows me to enter a member IP address and it to return to me which pools and virtuals it belongs to.   There is an easy way to do this with pools with the 'node -> get_pool_mem...

Mixed case compares ?

What is the best syntax to compare uri's in a mixed case environment.   I want to use something along the lines of:   if (http_uri starts_with "/cccard/public/en/ApplyNow")   redirect to "https:/%h/%u"   Where the A in apply and N in now could be ei...

RTSP Proxy

RTSP Proxy:   Situation: Remote clients point to a virtual server for streaming audio/video… based on the information in the RTSP header the F5 will make a decision on which pool to send it to (iRules). The BigIP contacts the server on behalf of the ...

IRule and Error Checking

Please See comments below    when HTTP_REQUEST {  if { [HTTP::uri] starts_with "/channel/" } {   pool QA1  }  elseif {[HTTP::uri] starts_with "/performance/" } {   pool QA2  }  elseif { [HTTP::uri] starts_with "/lead/" } {   pool QA3  }    Please...

writing cache control headers.

Hi all,   I've been looking at some BIGIP info and wondered if anybody knew how easy it was to define/add client cache control headers (such as:Cache-Control: private,max-age=86400,must-revalidate,proxy-revalidate)to outgoing requests from the server...

rate limiting per user/IP

Hi,   I am trying to rate limit my tcp connections based on client source/destination IPs so that a given user is limited to 15k/sec. Any suggestion on how to achieve this based on irules and rate shaping?   Thanks,   George

Help in creating DataCenter Persistance with iRule

Fairly new to iRule so looking for some help on an idea.   www.companya.com is a WideIP on a 3dns server that resolves to addresses 10.0.0.1 or 11.0.0.1. Each address goes to a different DataCenter (we'll call them 1 and 2). I don't care which Datace...

node <ip addr>[:<service>] ... enable Not working

Hi,   I am using following commands of bigpipe to enabling/disabling nodes.    node [:] ... enable node [:] ... disable   These commands are working along with service e.g.    bigpipe node 204.10.122.11:80 disable   Is working fine but when I tried t...

RTSP://

Looking for an iRule syntax that allows me to redirect client requests to a pool based on the RTSP header. When a client connects to the bigip as an RTSP proxy how can I read the request in the header to select the appropriate pool. Not familiar with...

HTTP_RESPONSE problems with multiple requests

If there are any other posts that would answer this - just let me know and I will do more digging, but I didn't see any.   We have an iRule that handles client certificate authentication. I've posted other things about it before. It handles users e...

help link on page redirected to other server

else {    HTTP::redirect "http://10.172.155.201$uri" <---this works well as a pop up displays the corresponding help document (on IIS server IP : 10.172.155.201/help/en/become_member.htm as an exemple)    pool iis_pool <------ this doesn t ...

Number of defined nodes in a pool

Is there a way in irules to determine the number of defined nodes in a pool. I'm trying to automate syslog notification when a pool is getting low on nodes. The number of active node is good but I need the context of how many nodes are in the pool. ...

Timing iRules

I have inserted "timing on" into a couple of scripts, and collected stats (on test sites) for a few days. The timing statistic is expressed in "Cycles." I have not found a description of what "Cycles" is measuring. I thought perhaps it was CPU clo...

persistence cookie at BIG IP level too persistent?

When a cookie is created at the bIG IP level it seems that the user is stuck on the same server for his session (which is a requirement of our solution) but should that server fail during the session, user gets Pages cannot be display..(probably beca...

use irule to match virtual server name to node name

Hi,   This is Ken. I encounter a problem and need to write some irule to help.  There are two notes servers, client collect the server should use the server's hostname. The server discard any non hostname connection.   But, I need to load balancing...

New to iRules

Dear all,   I don't have much experience on iRules, and would like to if iRules can do the followings:   My client is running native Lotus client/ server application on port 1352. There are 2 Lotus servers behind the BIGIP, each with its own host nam...

What TCP::Collect n m means?

I have saw some rules that use  TCP::Collect n m  from the BIGIP Refence Guide, I can only find the n means how many bytes collected, but what the 'm' means?

Access Packet Filter through an iRule

I would like to create a packet filter and toggle the filter on and off based on node availability.   I cannot find any documentation that suggests a Packet Filter can be controlled within an iRule.   Can this be done?   How about an iRule that trigg...

Simple HTTPS redirect

I have an HTTPS Virtual Server that is terminating SSL. I would also like to take the inbound https requests and append a specific webpage to it. For example, if the user sends a request to https://example.mycompany.com I would like a redirect to h...

Persist on the SET Cookie response from the server

Hi F5 Rulers !   I am currently having a customer with an iRule who want to persist on the SET COOKIE message contained in the server Response to the FIRST client REQUEST.    I would like to know if the HTTP::Cookie will intercept this Set Cookie fro...

Using URI to rewrite host

I am trying to come up with a rule where the first directory name of the uri is used to rewrite the URL. an example will be:   http://www.foo.com/abc/doc/index.html =>  http://abc.foo.com/abc/doc/index.html.   I want to make it so that the rule is g...

johns by F5 Employee
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"Dynamic Provisioning" of hosts

Using IControl / IRules, I want to be able to dynamically provision a "stand-by" server. Basically, when any particular pool exceeds a threshold that we define (total CPU Utilization, total RAM utilization, maximum number of concurrent connection or ...

Need iRule help

I need to write an iRule that will take incoming connections to a vip on my Big-IP, and SNAT the source addresses to a specific IP:port combination, and then send the connections with the SNAT'd source IP and port combination to a pool.   I have no e...

"Dynamic Provisioning" of hosts

Using IControl / IRules, I want to be able to dynamically provision a "stand-by" server. Basically, when any particular pool exceeds a threshold that we define (total CPU Utilization, total RAM utilization, maximum number of concurrent connection or...