Forum Discussion
peter_71591
Nimbostratus
Mar 21, 2012Recommendation needed
Hi, I'd like to know whether F5's can do the following. I have two servers I want to keep in sync (see exactly the same traffic) they must be seen as one machine from the outside world. So they would ...
hoolio
Cirrostratus
Mar 21, 2012Hi Peter,
What protocol(s) do you want to do this for? For HTTP you can clone requests to a second pool. Requests are copied and responses from the second pool are dropped.
HTTP Request Cloning via iRules
http://devcentral.f5.com/Tutorials/TechTips/tabid/63/articleType/ArticleView/articleId/1088513/HTTP-Request-Cloning-via-iRules-Part-1.aspx
It should be possible to do something similar for generic TCP and/or UDP traffic using high speed logging.
If the first server is down, you could send all requests to the second pool. And generally BIG-IP's are deployed in an HA pair, so redundancy at that level is taken care of.
Aaron
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