topic Re: Smart Hub 7 Plus: IPv6 Router Advertisements not emitted after reboot in Broadband & Landline

Smart Hub 7 Plus: IPv6 Router Advertisements not emitted after reboot

patters — Tue, 04 Aug 2026 14:05:58 GMT

Expected behaviour:

In IPv6 Stateless mode, the Hub should advertise the delegated LAN prefix using IPv6 Router Advertisements (RAs), allowing LAN devices to automatically configure global IPv6 addresses.

Observed behaviour:

The Hub shows:

IPv6 status: Enabled
IPv6 LAN prefix/address present

but does not emit Router Advertisements.

Packet capture on the NAS:

tcpdump -i eth0 -nn 'icmp6 and ip6[40] == 134'

shows no Router Advertisements.

The result is that LAN devices only have link-local addresses:

fe80::/10

(which are generated independently of RAs), but do not receive a globally routable IPv6 address.

A workaround I found:

Hub Manager → Advanced Settings → IPv6 → Configuration → Reset to default

Or if that doesn't make a change:

Toggle IPv6 allocation mode (for example Stateless → Off → Stateless)
Save/apply

After this, the Hub starts sending RAs again on a 1-9 minute interval and the NAS receives a global address, for example:

2a00:1234:5678:9abc:0211:32ff:fe2d:750f

However, after a reboot the Smart Hub will pick up new IPv6 addressing and will subsequently fail to emit any RAs.

Firmware version: r4.27.1-R-1862254-PROD-84001

App version: 3.14.5

Re: Smart Hub 7 Plus: IPv6 Router Advertisements not emitted after reboot

patters — Tue, 04 Aug 2026 14:24:54 GMT

I understand that ISP-supplied routers are not full featured, but when the TCP/IP stack doesn't even work properly: that's a major concern. I am paying to rent this equipment after all.

Please can a moderator forward this information to the appropriate people in EE. I would raise a support request, but there is no way to include this level of technical information and their remit is mainly resolving issues with basic connectivity.

Re: Smart Hub 7 Plus: IPv6 Router Advertisements not emitted after reboot

JimM11 — Tue, 04 Aug 2026 16:23:48 GMT

@patters Have you done a Factory reset to the system since that EE Hub was last FW updated 4-6weeks ago yet?

Re: Smart Hub 7 Plus: IPv6 Router Advertisements not emitted after reboot

patters — Tue, 04 Aug 2026 17:17:05 GMT

@JimM11 Not yet - I saw there was a suggestion that might fix some of the IPv6 issues. But what kind of firmware change is that, that can't migrate an existing config!?

I'm away from home at the moment so it'll have to wait unfortunately.

I did run into this issue several months ago also, so I doubt this recent firmware was the start of it.

Re: Smart Hub 7 Plus: IPv6 Router Advertisements not emitted after reboot

JimM11 — Tue, 04 Aug 2026 17:17:18 GMT

@patters No problems, just going to link the pinned post, and the list off FW updates currently, the 7 Plus still has a few oops on it currently so may take a little while to get there, all off the Hubs had DNS played with so expect the unexpected to say the least.

EE Hub firmware versions - The EE Community

Smart Hub 7 Plus
FW: r3.29.4-R-1511690-PROD-84001 and the gui is at App version 3.7.4 19/12/2025
FW: r3.35.15-R-1597208-PROD-84001 and the gui is at App version 3.11.2 19/12/2025
FW: r3.35.24-R-1648110-PROD-84001 and the gui is at App version 3.11.3 23/01/2026
FW: r4.27.1-R-1862254-PROD-84001 and the gui is at App version 3.14.5 13/07/2026

Re: Smart Hub 7 Plus: IPv6 Router Advertisements not emitted after reboot

JimM11 — Tue, 04 Aug 2026 21:41:28 GMT

@patters Leave it with you, if the Factory Reset does work and hold it's own let the Forum know that fact, did see your other post as well on the pinholes, personally you just cannot trust the FW writers to get it right anytime and if they do not break it or cause issues further subsequent updates.

Re: Smart Hub 7 Plus: IPv6 Router Advertisements not emitted after reboot

Katie_J — Wed, 05 Aug 2026 07:21:19 GMT

Hi @patters.

We have passed this thread over to the relevant team.

Could you please confirm how exactly you are restarting the hub? Is this with the physical on/off switch OR using the restart option in the Hub Manager?

Speak soon,

Katie

Re: Smart Hub 7 Plus: IPv6 Router Advertisements not emitted after reboot

patters — Wed, 05 Aug 2026 10:16:16 GMT

Hi @Katie_J

Restarted via Hub Manager since I am remote from home at the moment. But to be clear, the default state was broken. I 'fixed it' by resetting/toggling IPv6 but it reverts to broken on next boot.

I will see if this issue is resolved by performing a factory reset when I am back from holiday. Perhaps this is why these issues arise, because maybe the firmwares are tested as clean setups, and not as upgrades from older versions with existing configs.

There is also the other misleading statement in the IPv6 Status page - 'IPv6 network status: Disabled' when it clearly is enabled, but this has also been reported before I notice:
https://community.ee.co.uk/t5/Broadband-Landline/Smart-Hub-Pro-and-IPV6/td-p/1527624
https://community.ee.co.uk/t5/Broadband-Landline/More-on-IPv6-and-Hub-7/m-p/1625315

Re: Smart Hub 7 Plus: IPv6 Router Advertisements not emitted after reboot

jak26 — Wed, 05 Aug 2026 11:45:23 GMT

When first using Hub 7+ I did have some probs with a PC taking a while to get its internet connection - the network icon flashing - esp. when waking from sleep or hib - often showing no IPv6 address at first. Then some minutes later it would get IPv6 - I assume it picked up a router advertisement. There also seemed to be delays with device discovery - e.g. getting a NAS hostname.

That PC was connected via an older Access Point - a router in AP mode connected via LAN cable to the hub to provide LAN sockets and good WIFI where devices are located.

When I swapped to a newer Asus AP those PC issues disappeared - it's instantly got v4 and v6 connectivity ever since and my other devices have had no particular connectivity issues either - all connected to the Hub either via LAN, comp WiFi, or the AP.

It's true there are oddities about what's displayed on the Hub status page - but IPv6 test websites etc all show no actual issues with IPv6 connectivity.

There are other quirks with the Hub 7+ like Main WIFI turning back on after a restart - so if EE support do look at threads then there are plenty of others that might also be forwarded to relevant teams