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Re: LB2120 LTE not detecting WAN "wireline unavailable" with Virgin Superhub UK

ezracat2250
Tutor

LB2120 LTE not detecting WAN "wireline unavailable" with Cirgin Superhub UK

Similar to this issue which does not have a fix confirmed:

 

https://community.netgear.com/t5/Mobile-Routers-Hotspots-Modems/Netgear-lb2120-wireline-unavailable/...

 

I've tried different PING URLS and IPs and bridged mode, but I can't get the modem to detect my internet connection, even when switching to WIRELINE only it fails to pass through the net to the main router from the superhub. 

 

Maybe there are some settings that need changing on the superhub which is in router mode. 

 

Any ideas would be greatly appreciated 

 

 

 

Model: LB2120|4G LTE Modem
Message 1 of 14
ezracat2250
Tutor

Re: LB2120 LTE not detecting WAN "wireline unavailable" with Virgin Superhub UK

Can't seem to edit on this forum but I meant Virgin Superhub. 

Message 2 of 14
Blanca_O
NETGEAR Moderator

Re: LB2120 LTE not detecting WAN "wireline unavailable" with Virgin Superhub UK

Hi @ezracat2250

 

Welcome to NETGEAR Community!

 

Kindly change the Failover Detection IPv4 Address to your ISP provided DNS. 

Please provide the firmware version. 

 

Regards,
Blanca
Community Team
 

Message 3 of 14
ezracat2250
Tutor

Re: LB2120 LTE not detecting WAN "wireline unavailable" with Virgin Superhub UK

@Blanca_O

Thanks I'll try that and report back.
I updated the firmware to latest using the update function I'll report back the version number.
Thanks!
Message 4 of 14
schumaku
Guru

Re: LB2120 LTE not detecting WAN "wireline unavailable" with Virgin Superhub UK

With a monolithic Cable Modem and Router you can't loop the LB2120 into the the public WAN/Internet Ethernet connection (which in my understanding must be transparent IP, no PPPoE/PPTP/PPPoA or the like encapsulation) as it's shown in the quick start guide and certainly the user manual, too.

 

LB2120 QSG - connections.PNG

 

As there is only a cable network antenna connector on all these Virgin superhub and hub 3, 4. ..., this set-up is not possible.

 

if you need this fail-over option, there is no other way than re-configuring the Virgin CPE to a pure modem, and add a dedicated router/wireless router/Mesh router. 

Message 5 of 14
ezracat2250
Tutor

Re: LB2120 LTE not detecting WAN "wireline unavailable" with Virgin Superhub UK

Thanks the superhub is in modem mode. So it's running as a pure modem.

I use a nighthawk router connected to the superhub in modem mode. That should meet the intended design
Message 6 of 14
schumaku
Guru

Re: LB2120 LTE not detecting WAN "wireline unavailable" with Virgin Superhub UK

Ok. Just for the interested community members (I'm far away from where Virgin is providing Internet services): Is there plain IP on this link (no encpasulation, no authentication), eg. can you connect a (single) computer direct to the modem and just get the public IP by DHCP on the adapter?

 

If yes ... there must be a problem on the LB2120.

Message 7 of 14
ezracat2250
Tutor

Re: LB2120 LTE not detecting WAN "wireline unavailable" with Virgin Superhub UK

Yes when it's in modem mode you get a public IP if its in router mode it wouldn't work as you mentioned.

There isn't any authentication once its in that mode the ethernet connects the nighthawk normally direct to the Internet.

Cheers
Message 8 of 14
pm1234
Initiate

Re: LB2120 LTE not detecting WAN "wireline unavailable" with Cirgin Superhub UK

I have the LB2120 working with a Virgin Super Hub 3.  

 

The Virgin Hub needs set to modem mode.  The LB2120 needs to be set as a bridge.   Connect the Virgin hub number "4" socket, to the WAN socket on the LB2120.  For some reason the other Virgin hub sockets won't work with this, only number 4 - no idea why.

 

Then a separate router needs to be connected to the LAN socket of the LB2120.

 

Then turn everything off.

Turn Virgin Hub back on and wait for a steady green light.

Then turn on the LB2120

Then your router.

 

The device isn't perfect.  I've posted on here about the need for Email alerts in addition to SMS alerts.  I just keep on running out of SIM data because I never know when the failover has happened.

 

Message 9 of 14
TheNix
Aspirant

Re: LB2120 LTE not detecting WAN "wireline unavailable" with Cirgin Superhub UK

Hi. 

I'm having exactly the same problem with exactly the same set-up. I've tried the incremental powering up suggested, but the 2120 still doesn't think that it can see the internet through wireline. 

Any other configuration or procedural suggestions welcomed!

Model: LB2120|4G LTE Modem
Message 10 of 14
jeromeL
Aspirant

Re: LB2120 LTE not detecting WAN "wireline unavailable" with Cirgin Superhub UK

Hello,

 

I have the same problem, no internet connection detected, even when forced, it's stuck on 4G

My setup is easy :

Optic to RJ45 module -> LB2120 -> Orbi AX6000

It works directly if I remove the LB2120 so I'm sure it's the problem. Does it needs to have a modem between the Optic to RJ45 and the LB2120 ?

 

Thank you!

Jérôme

Model: LB2120|4G LTE Modem
Message 11 of 14
AndySB
Aspirant

Re: LB2120 LTE not detecting WAN "wireline unavailable" with Cirgin Superhub UK

I have this exact issue, I have come to decide that it's Virgin's crap Hub 3.

Randomly thoughoutthe day it will cut off for about 3 mins then go back to wireline but sometimes doesn't switch back at all until I reboot the Hub3.

I want to get a Hitron router but they only supply them for businesses or even try the new Hub4 but that is only for their 1Gig services which I'm not forking out 90 quid a month for.

Bottom line Virgin's equipment is poop 💩
Message 12 of 14
JohnPeng
NETGEAR Expert

Re: LB2120 LTE not detecting WAN "wireline unavailable" with Cirgin Superhub UK

Could you please advise what is you home broadband service used?

 

Thanks

Message 13 of 14
AndySB
Aspirant

Re: LB2120 LTE not detecting WAN "wireline unavailable" with Cirgin Superhub UK

Virgin Media 650meg package using Virgin Hub3
Message 14 of 14
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