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Forum Discussion
DHCP address reservations had not been respected
I am having similar issues with a RS280 and firmware 1.0.6.16. We recently had an extended power outage that outlasted my UPS. When the power returned, most of the DHCP address reservations had n...
Now that I'm back at home, I have a little more information. Good advice on the backup configuration. I had forgotten about that capability.
I did check with all of the devices regarding DHCP. That's part of what passes for my network strategy: The router assigns all IP addresses with maybe two static exceptions that I use for development. Both exceptions were powered off for the entire time.
The devices that were not given their assigned IP addresses were 5 PoE cameras (a mix of Amcrest and TrendNET), two ancient Synology NAS DS220, and two homebuilt PCs for surveillance DVR and HTPC respectively. Other wired devices are DHCP without assignments and they came up just fine (XBOX, Blu-Ray Player, etc.)
Interestingly, the wireless devices with assignments (a couple Raspberry Pi, cell phones, and a Rock64 SBC) seem to have been assigned IPs correctly. I didn't verify that, but I never did the individual power cycle on those devices and I didn't think to check on them until after the DHCP lease had expired.
Total number of network devices is around 40-43 depending on what I have flipped on at any time.
The ISP modem is a FIOS G1100. It is not in pass-through mode. There are 2 devices connected to it (one is the RS280 router) all with static IP addresses in the 192.168.0.X range
The PoE switches are 2 CQENPR CL2080G 8 port PoE switches and a TP-Link 5G10080 Gigabit switch for non-PoE connections. Everything goes through a switch of some form. Nothing is connected directly to the router.
The RS router is recommended and suggested to be in the pass thru section of the G1100 hostrouter to help avoid NAT issues.
Sounds like possible some issues being seen with the PoE switches maybe involved during a power cycle as well. Maybe a timing issue with router, switches and these devices handling the coming to ready and not completing if a power cycle or OFF to back ON is seen on the system.
Are these static exceptions on these devices set outside of the routers default IP address range? Static IP address configurations differ from IP address reservations.
Static IP address configurations are set ON devices, not the router, and are out side of a default DHCP IP address pool range. IP address reservations are set on the host router and with in the routers default IP address pool range.