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MrRichard's avatar
MrRichard
Icon for Nimbostratus rankNimbostratus
Nov 26, 2014

Return ICMP packet only

Hi all,   We have a tricky customer who is trying to bypass the F5 for incoming ICMP requests and then have the ICMP responses from the server go back through the F5.   Apparently this is neces...
application delivery
devops
iRules
LTM
What_Lies_Bene1's avatar
What_Lies_Bene1
Icon for Cirrostratus rankCirrostratus
Nov 26, 2014

Its possible if you configure asynchronous routing or have a wildcard virtual server. Of course, asynchronous routing would apply to all traffic which I assume isn't desired so your best bet is a wildcard 'routing' VS, secured/restricted appropriately (packet filter, irule or whatever). This will allow the return ICMP packets to pass through the F5 (rather than be dropped).

 

Details on a routing VS here: ">https://support.f5.com/kb/en-us/solutions/public/7000/500/sol7595.html" target="_blank">">https://support.f5.com/kb/en-us/solutions/public/7000/500/sol7595.html