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CGNAT & Gaming

LeeH22
Investigator
Investigator

‎11-09-2022 07:26 PM

Is there anyway to circument this?  I have a double NAT on my XBOX,  Below is a comment saying they found a workaround but no joy for me.

 Then bang more bad news. EE had a funny NAT type that blocks me from connecting to most multiplayer games. Darn. And a few more hours of troubleshooting I find a way to make sure I'm on ipv4 not 6. And some other tinkering. Boom NAT type 2. PS4 cod? Works. Pc apex legends, world of tanks, and various steam games ? Check. All suddenly work. Great speeds. Only 20 to 40ms ping. Perfect. Couldn't be happier.

 

0 Helpful
5 REPLIES 5
XRaySpeX
EE Community Star
EE Community Star

‎11-09-2022 08:52 PM

You may find yourself up against a limitation of EE's mobile network. The EE mobile network uses Carrier Grade NAT (CGNAT) resulting in a double NAT, which games consoles often object to, which means you don't get your own public IP address but share it with other users. So you can't be uniquely id'ed on the Net & therefore your LAN cannot be addressed from outside for unsolicited accesses. This is unlike fixed BB.

If this occurs there is nowt you can do to avoid it.

If you think I helped please feel free to hit the "Thumbs Up" button below.

To phone EE CS: Dial Freephone +44 800 079 8586 - Option 1 for Mobile Phone & Mobile Broadband or Option 2 for Home Broadband & Home Phone

ISPs: 1999: Freeserve 48K Dial-Up > 2005: Wanadoo 1 Meg BB > 2007: Orange 2 Meg BB > 2008: Orange 8 Meg LLU > 2010: Orange 16 Meg LLU > 2011: Orange 20 Meg WBC > 2014: EE 20 Meg WBC > 2020: EE 40 Meg FTTC > 2022:EE 80 Meg FTTC SoGEA > 2025 EE 150 Meg FTTP
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LeeH22
Investigator
Investigator

‎17-09-2022 09:17 AM

 I changed the LTE router to IPV6 only.  Now I have an open NAT and can game perfectly.

0 Helpful
Uberseehandel
Contributor
Contributor
In response to XRaySpeX

‎09-08-2023 09:41 AM

The issue of CGNAT is contentious.
My network management software consistently reports high latency.
When I raise this issue with EE, I am informed that I am connecting "unsuitable equipment" to "their" network.
So I carefully explain what CCGNAT is and what the effects of using it are as far as end users are concerned. They did the equivalent of shrugging their shoulders.
I have been a long term BT ISP customer. BT (EE's parent company) effected an upgrade to EE's 5G Mobile Broadband package. The optics of this are that BT now has a spare IPv4 address that could be passed over to their subsidiary EE. This is much simpler than some of the inter-MNO wholesale roaming deals that regularly negotiated by mobile telcos.
I kept asking to talk to a network engineer, because I had a serious question to ask about remediating the latency issue.
Apparently the Zyxel Router provided by EE is capable of acting as an IPv6 (WAN) / IPv4 (LAN) bridge. There have been reports that this solves the latency issue. Does anybody have experience of using such a configuration.
In the meantime I am investigating using Cloudflare's VP option to see if that helps.
Any suggestions welcome.

0 Helpful
BlueDoctor
Visitor
In response to LeeH22

‎18-09-2023 02:06 PM

I am a complete tech novice. My router is a Qualcomm Communications Inc. device. What do I do to the router to change it to IPV6 only and will this affect other connections? (Smart TV, PC etc) 

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SJMUK007
Investigator
Investigator

‎11-05-2024 11:14 AM

Any solution to this please?

0 Helpful