Bandwidth usage per URL

Hi TK,

 

Unfortunately this is not going to be an easy answer.

 

 

In regards of bandwidth. The LTM doesn't really have a good way to track bandwidth to each URL based on a single VIP. I ran into this scenario back when I was running v4.x and into v9.x. My solution was to utilize the Cisco NAM 2 module which works on a Cisco 6509 and other routers. It can graph traffic to multiple websites hosted on a single vip via the host headers. It can also send reports in CSV and PDF via schedule or FTP. Unfortunatly it doesn't track connections.

 

 

For connections tracking there are several irules within Devcentral that talk about creating a specific to track connections so search for it.

 

 

I hope this helps

 

 

CB

 

 

You could modify Nat's v10 http throttling iRule (Click here) to track bandwidth per URL using the IP::stats commands.

 

 

Hi Citizen_elah,

 

I looked at NATs v10 and I can't seem to find a command or method that would measure the amount of bytes at any given time?

 

 

CB

 

 

Okay I stand corrected. I did some more digging and saw that IP::STATS (Click here) can provide the necessary bytes-in/out statistics.

 

 

Now I am all giddy cause I have some ideas on how to use this.

 

 

CB

Here is one that Colin posted some time back

 

 

http://devcentral.f5.com/Wiki/default.aspx/iRules/In_Depth_Traffic_Analysis_via_iRule.html

 

 

CB

 

Posted By cmbhatt on 09/23/2009 6:13 PM

 

Here is one that Colin posted some time back

 

http://devcentral.f5.com/Wiki/default.aspx/iRules/In_Depth_Traffic_Analysis_via_iRule.html

 

CB

 

 

 

 

Thanks! There is a ton of information available in that bad boy.

 

 

Now my next question concerns the amount of information and how I get that sent to syslog only? There will be *so much* information generated by this that I need to make sure it is logged on another box.

 

 

I have a syslog server running and it is gathering data from my HA pair, but I haven't been able to find a method that logs to syslog only and not the local log.

 

 

Thank you for your help!

 

 

TK

 

That's an easy one. You can direct log from the iRule. Check out the syntax here:

 

 

http://devcentral.f5.com/wiki/default.aspx/iRules/log.html Click here

 

 

 

That's an easy one. You can direct log from the iRule. Check out the syntax here:

 

http://devcentral.f5.com/wiki/default.aspx/iRules/log.html Click here

 

 

 

I am using version 9.3.1, so the syntax doesn't work for me.

 

Is there a workaround?

 

Thanks.

not that I'm aware of.

well...this may present a large amount of info to the local log. Let me find those on the system and get an idea of how much space it will take up.

 

 

Thank you for your input.

 

 

TK