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スプリットショックウイルス † You have to release the DHCP lease in order to renew it with a new MAC address.
Imagine being some regular guy how maddening it would be that your new router doesn't get assigned an IP from upstream, because the old lease is still active on the other MAC.
@splitshockvirus Do you only have one IP address to choose from?
@sjb This was the one assigned by the ISP.
So the old router still held the lease.
@sjb@mstdn.io@splitshockvirus Ah! I can see how that would be annoying, not sure how they expect people to work around that (other than having the ISP's technician install the router).
@sjb You'd call the support technician and they'd release the IP on their end.
I'm pretty certain you can set up certain DHCP servers to auto renew on request. But they didn't do that.
Sometimes they "activate" your equipment by registering your modem's MAC. Which is probably just a dynamic lease.
@sjb I only know routing at the local level, but I'm certain ISP networking is applicable in the same fashion.
@sjb Funny enough I also ran into one of these situations recently. Someone unintentionally plugged an AP into LAN instead of WAN while on the same broadcast domain.
@splitshockvirus Can you end up with a routing loop that way?
@sjb I don't think it makes a loop, but it makes A LOT of annoying things happen.
ip conflicts, gateways not set correctly, clients just don't work.
I only noticed because I saw a huge number of ARP requests in a packet capture.