You cannot put it into modem mode. What you can do however, is to connect another router by Ethernet from an Ethernet port on the Hub 2 to a WAN port on the other router. Both routers must crucially be on different subnets though, otherwise, nothing will work at all.
From the 29th of March our TalkTalk Community will move to peer-to-peer support and the TalkTalk team will no longer be here to support with queries. Don’t worry we still have plenty of ways to reach out if you need to speak to TalkTalk directly. For more details check out the link here
How to contact TalkTalk Broadband - TalkTalk Help & Support
