Forum Discussion

Lee_Sutcliffe's avatar
Jun 24, 2015

VS Precedence

Hi

I have a question relating to VS precedence and which VS would process the packet in the following example:

Packet  - destination IP  > 10.10.10.10 destination port > TCP/80

VIP-A 10.10.10.0:80
 protocol tcp
 mask 255.255.255.0

VIP-B 10.10.10.10:80
 protocol udp
 mask 255.255.255.255

My understanding having read https://support.f5.com/kb/en-us/solutions/public/6000/400/sol6459.html is that there is a higher emphasis on the VS with the longest subnet match.

However, in the in above example, this would be VIP-B - but the protocol for this VS is UDP.

Would VIP-B process the request and subsequently drop traffic - or is the BigIP intelligent enough to match on a VS with a lower precedence, but one that has the correct protocol configured?

Many thanks

Lee

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