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Forum Discussion
LaddieParker
Nov 02, 2025Tutor
RS700 IPv4 Lease Not Renewing (still not fixed).
    I have a Nighthawk RS700 currently running firmware 1.0.9.16. There is a problem with renewing the IPv4 lease. If I restart the router it picks up an Ipv4 address with a 24 hour lease. After 12 ho...
LaddieParker
Nov 02, 2025Tutor
Thanks for very much your response. My answers in italics
Does the ISP require any special WAN connect configurations like PPPoE or is the connection all DHCP?
No, no special connection just plain old DHCP and both my RS200 and AX6000 work fine.
What CAT# LAN cable is in between the ONT and RS router? CAT6A STP is recommended.
Cat8
Is Protection Engine enabled on the RS router?
Yes
Is IPv6 enabled on the RS router?
Yes, and it works fine. It continues to work even when IPv4 drops.
Have you tried a Non managed LAN switch in between the ONT and RS router? Seen it where some handshaking between a ONT and router can be resolved with a lan switch in the middle.
Unlikely, to be the problem as this only started with firmware update 1.0.9.6 and can fixed by downgrading to version 1.0.7.96 but, I'll give it a try.
FURRYe38
Nov 02, 2025Guru - Experienced User
Is the CAT8 UTP or STP? STP is preferred.
Please disable Protection Engine on the RS router.
- LaddieParkerNov 02, 2025Tutor
Is the CAT8 UTP or STP? STP is preferred.
I honestly couldn't say as it is covered with fabric, so you can't read what may be printed on it. However, I have now connected the router to the ONT with the cable that came in the box with the router, which I believe to be the original cable. It does have CAT6 printed on it.
Please disable Protection Engine on the RS router.
My apologies, I was connected to my RS200 when I said that the protection engine was enabled. Looking at the RS700 there is nothing labelled Protection Engine. There is Online Armour, but that has never been activated.
Many thanks for your help with this. It is much appreciated
- FURRYe38Nov 02, 2025Guru - Experienced User
Printing should have UTP or STP. If you don't have STP, then it's not STP or Shielded Twisted Pair.
If no PE on the RS700, please try a non managed switch in between the ONT and RS router.
LaddieParker wrote:
Is the CAT8 UTP or STP? STP is preferred.
I honestly couldn't say as it is covered with fabric, so you can't read what may be printed on it. However, I have now connected the router to the ONT with the cable that came in the box with the router, which I believe to be the original cable. It does have CAT6 printed on it.
Please disable Protection Engine on the RS router.
My apologies, I was connected to my RS200 when I said that the protection engine was enabled. Looking at the RS700 there is nothing labelled Protection Engine. There is Online Armour, but that has never been activated.
Many thanks for your help with this. It is much appreciated 
 - StephenBNov 02, 2025Guru - Experienced User
FURRYe38 wrote:
Is the CAT8 UTP or STP?
Isn't all CAT8 cable shielded?
- CrimpOnNov 03, 2025Guru - Experienced User
Yes, Cat8 cable has shielding on every pair:
This digression about Ethernet cable does not seem germane to the original problem: DHCP Lease not renewing and displaying complete nonsense about the lease.
The RS700 appears to have had three firmware versions released:
1.0.7.76
1.0.9.6
1.0.9.16
Does this lease renewal problem exist with all three versions?
- LaddieParkerNov 03, 2025Tutor
The problem is present in firmware versions 1.0.9.6 and 1.0.9.16, but not in version 1.0.7.76, Downgrading to version 1.0.7.76 make the problem go away.