APM-DHCP Access Policy Example and Detailed Instructions

Prepared with Mark Quevedo, F5 Principal Software Engineer May, 2020 Sectional Navigation links Important Version Notes   ||  Installation Guide   ||  What Is Going On Here?   ||  Parameters You ...
Updated Sep 08, 2023
Version 9.0
application delivery
BIG-IP Access Policy Manager (APM)
dhcp
iRules
vpn
M_Quevedo's avatar
M_Quevedo
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Apr 30, 2020

 The zeroes are just padding--the client-hardware-address field in the DHCP message has a fixed length of 16 octets. Does the DHCP server put any information into Option 53 (0x35)? Or maybe the DHCP server's own logs will show something. For now I will just guess that the server really wants Option 61.

 

How about this... run tcpdump -vne -s0 -i int port 67 on your BIG-IP while you try to get an address, then post the relevant packet data here. Maybe I can spot something wrong with APM-DHCP's DHCPREQUEST packet.