Forum Discussion
chris_connell_1
Dec 16, 2010Nimbostratus
change nat source address for a healthcheck
Hi,
I have configured an http transparent healthcheck, and the healthchecks to the nodes are sent from the F5 self IP's but I would like to know if its possible to apply snat/nat for just these h...
hooleylist
Dec 18, 2010Cirrostratus
Hi Chris,
If you want to specify a source IP address for a monitor, you'd need to use an external monitor. Here's a basic example we came up with for ICMP:
http://devcentral.f5.com/wiki/default.aspx/AdvDesignConfig/ICMPCustomSourceAddressMonitor.html
I'm not sure what client utility you could use that would allow specifying the source IP address though. curl doesn't seem to support it:
http://curl.haxx.se/docs/faq.html
5.12 Can I make libcurl fake or hide my real IP address?
netcat does seem to support it:
http://nc110.sourceforge.net/
Some of netcat's major features are:
Outbound or inbound connections, TCP or UDP, to or from any ports
Full DNS forward/reverse checking, with appropriate warnings
Ability to use any local source port
Ability to use any locally-configured network source address
Aaron
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