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Forum Discussion
blkcffee
Oct 31, 2021Aspirant
My new AC2600 won't connect to the internet, but my old Linksys will.
Title. Everything else will connect, but I can't seem to get a connection through to the internet. Help! I've already tryed power cycling and resetting the router.
8 Replies
- KitsapMaster
Additional information is required before this can be sorted out.
What is the brand name and model number of the modem/gateway you are connecting your router to?
Are the devices you are connecting to the router going through an ethernet cable or wi-fi or both?
What are these devices?
- blkcffeeAspirant
- plemansGuru - Experienced User
Holy cow.
Thats an old docsis 2.0 modem.
I'm impressed your ISP is even letting you use it as most have transitioned fully to docsis 3.0 and some are pushing docsis 3.1 right now.
http://www.cablemodems.com/downloads/specsheets/U10C018_DatasheetPDF7.pdf
- plemansGuru - Experienced User
Kitsap is correct. Details are needed and key.
Especially what modem/gateway you're connected to.
Some routers play nicer with double nats than netgear devices do.
A double nat happens when you cascade more than 1 router.
https://kb.netgear.com/30186/What-is-Double-NAT
Fixes if you're in a double nat? There’s 3 options but only use 1.
1. Put the modem/gateway in modem only/pass through mode. This disables its routing functions.
2. Leave the modem/gateway in router mode but put the Netgears IP address into its DMZ. This forwards the data to the netgear. You can either leave the modem/gateway’s wireless enabled or disabled. Just make sure its using a different wifi channel to prevent interference
3. Put the Netgear into access point mode. This disables its routing functions. Wifi/ethernet still works but it does disable some features.
https://kb.netgear.com/26765/Which-features-are-disabled-on-my-NETGEAR-router-when-it-is-set-to-AP-Mode