Hey all,
I have lots of switch access ports defined as /30 subnets, with only a
single usable IPv4 address in the pool for each port. Currently, my
switch acts as a DHCP relay, so I select the subnet based on the GWADDR.
My problem is: some devices move from port to port, and when they do,
sometimes the (single) address lease in that pool is held by the machine
previously attached to the port.
I am wondering if I might overcome this problem by using flex_id so that
any device attaching behind this DHCP relay/gateway is always granted a
lease, regardless of their MAC or other identifying metadata. Any
other suggestions would also be welcome.
Thanks!
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