Windows 10: IPv6 connectivity is dropping but not IPv4

I work with many open SSH sessions at least six using tmux. After a few hours, the sessions to IPv6 addresses are dropping. The ones to IPv4 are not.


I am able to confirm that I have lost all IPv6 connectivity using the site https://test-ipv6.com/


Using ipConfig, I see that the Lease is valid the below was run at Wednesday, February 3, 2021 9:54:05 AM

C:\ > ipconfig /all

Wireless LAN adapter Wi-Fi:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : IntelR Dual Band Wireless-AC 8265
Physical Address. . . . . . . . . : 00-28-F8-58-18-E4
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2603:7000:<MASKED>Preferred
Temporary IPv6 Address. . . . . . : 2603:7000:<MASKED>Preferred
Link-local IPv6 Address . . . . . : fe80::6dbc:640f:a35:6ed9%12Preferred
IPv4 Address. . . . . . . . . . . : 192.168.0.180Preferred
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Wednesday, February 3, 2021 7:57:54 AM
Lease Expires . . . . . . . . . . : Wednesday, February 3, 2021 11:07:04 AM
Default Gateway . . . . . . . . . : 192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DHCPv6 IAID . . . . . . . . . . . : 167782648
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-26-E2-B8-54-54-EE-75-EE-F7-F2
DNS Servers . . . . . . . . . . . : 2001:4860:4860::8888
2001:4860:4860::8844
192.168.0.1
192.168.0.1
NetBIOS over Tcpip. . . . . . . . : Enabled
​

Note: I slightly changed the above by replacing much of the IPv6 address with the text <MASKED>

If I disconnect/reconnect via windows "Internet Access" it solves the connectivity issue, but this is annoying and insufficient because I've lost my SSH sessions.

I can usually also be 'fixed' with the below I can't certify that this works 100% of the time, but this is also annoying and insufficient because I've lost my SSH sessions.


c:\utils\bin>ipconfig /renew6 W*


Windows IP Configuration


Wireless LAN adapter Wi-Fi:


Connection-specific DNS Suffix . :

IPv6 Address. . . . . . . . . . . : 2603:7000:<MASKED>

Temporary IPv6 Address. . . . . . : 2603:7000:<MASKED>

Link-local IPv6 Address . . . . . : fe80::6dbc:640f:a35:6ed9%12

IPv4 Address. . . . . . . . . . . : 192.168.0.180

Subnet Mask . . . . . . . . . . . : 255.255.255.0

Default Gateway . . . . . . . . . : fe80::e6c3:2aff:fec6:d38%12

192.168.0.1


c:\utils\bin>ipconfig /all


Windows IP Configuration



Host Name . . . . . . . . . . . . : Gerry-X1-Yoga

Primary Dns Suffix . . . . . . . :

Node Type . . . . . . . . . . . . : Hybrid

IP Routing Enabled. . . . . . . . : No

WINS Proxy Enabled. . . . . . . . : No


Wireless LAN adapter Wi-Fi:



Connection-specific DNS Suffix . :

Description . . . . . . . . . . . : IntelR Dual Band Wireless-AC 8265

Physical Address. . . . . . . . . : 00-28-F8-58-18-E4

DHCP Enabled. . . . . . . . . . . : Yes

Autoconfiguration Enabled . . . . : Yes

IPv6 Address. . . . . . . . . . . : 2603:7000:<MASKED>Preferred

Temporary IPv6 Address. . . . . . : 2603:7000:<MASKED>Preferred

Link-local IPv6 Address . . . . . : fe80::6dbc:640f:a35:6ed9%12Preferred

IPv4 Address. . . . . . . . . . . : 192.168.0.180Preferred

Subnet Mask . . . . . . . . . . . : 255.255.255.0

Lease Obtained. . . . . . . . . . : Wednesday, February 3, 2021 7:57:54 AM

Lease Expires . . . . . . . . . . : Wednesday, February 3, 2021 12:00:24 PM

Default Gateway . . . . . . . . . : fe80::e6c3:2aff:fec6:d38%12

192.168.0.1

DHCP Server . . . . . . . . . . . : 192.168.0.1

DHCPv6 IAID . . . . . . . . . . . : 167782648

DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-26-E2-B8-54-54-EE-75-EE-F7-F2

DNS Servers . . . . . . . . . . . : 2001:4860:4860::8888

2001:4860:4860::8844

192.168.0.1

192.168.0.1

NetBIOS over Tcpip. . . . . . . . : Enabled


Note that both cases, neither IPv4 NAT address or IPv6 address changes.


I also have a note to the WiFi Router vendor TP-Link / Archer AX21 v1.20, but because it can be fixed by locally running 'ipconfig /renew6', it seems to be a problem on the Windows side and renewing the IPv6 address.

Any ideas on how to solve this?

Thanks!

:)

 

Connectivity (IPv4/IPv6): Disconnected

Hi,



Thank you for writing to Microsoft Community Forums.



Ideally this Connectivity (IPv4/IPv6): Disconnected, means that the devices in not in use or not connected and it could be any device for example, Ethernet, WIFI, Bluetooth or Local Area Connection.



If you are using WI-FI for internet connection then Ethernet will show Connectivity (IPv4/IPv6): Disconnected.



In order to understand the issue and assist you accordingly, we need some information

• What is your network setup?
  
• Are you seeing any errors?
  
• Where you are seeing this information?

Meanwhile, try the troubleshooting steps referred in this article:

Fix network connection issues in Windows and check if it works.



Regards,

Aditya Roy

Microsoft Community – Moderator

 

ipv4 connected ipv6 no network access

So I thought my problem was solved, and then just now my internet stopped working again. Same problem, ipv4 connected ipv6 no network access. Anyone have any suggestions?

 

Connectivity (IPv4/IPv6): Disconnected

Name: Ethernet

Description: Realtek PCIe GBE Family Controller

Physical address (MAC): ec:8e:b5:d6:e4:0b

Status: Not operational

Maximum transmission unit: 1500

IPv4 address: 169.254.250.35/16

IPv6 address: fe80::8408:262a:dd06:fa23%12/64

DNS servers: 192.168.1.254, 75.153.171.122

DNS connection suffix: telus

Connectivity (IPv4/IPv6): Disconnected





Name: Wi-Fi

Description: Realtek RTL8723BE 802.11 bgn Wi-Fi Adapter

Physical address (MAC): cc:b0:da:45:99:2b

Status: Not operational

Maximum transmission unit: 1500

IPv4 address: 169.254.90.214/16

IPv6 address: fe80::853f:94b6:aeb2:5ad6%15/64

DNS servers: 192.168.43.1

Connectivity (IPv4/IPv6): Disconnected





Name: Local Area Connection* 12

Description: Microsoft Hosted Network Virtual Adapter

Physical address (MAC): 48:f8:b3:97:96:cb

Status: Not operational

Maximum transmission unit: 1500

IPv4 address: 169.254.184.142/16

IPv6 address: fe80::a415:bde6:5709:b88e%20/64

DNS servers: fec0:0:0:ffff::1%1, fec0:0:0:ffff::2%1, fec0:0:0:ffff::3%1

Connectivity (IPv4/IPv6): Disconnected





Name: Wi-Fi 2

Description: Linksys AE1200

Physical address (MAC): 48:f8:b3:97:96:cb

Status: Operational

Maximum transmission unit: 1500

Link speed (Receive/Transmit): 144/104 (Mbps)

DHCP enabled: Yes

DHCP servers: 192.168.1.254

DHCP lease obtained: ‎November ‎1, ‎2018 4:03:27 PM

DHCP lease expires: ‎November ‎2, ‎2018 4:03:27 PM

IPv4 address: 192.168.1.67/24

IPv6 address: 2001:56a:f2d7:3800:29ed:7176:fa4f:7afa/64, 2001:56a:f2d7:3800:a588:1afb:4da:872e/128, fe80::29ed:7176:fa4f:7afa%3/64

Default gateway: fe80::72f1:96ff:fe5c:2dd0%3, 192.168.1.254

DNS servers: 2001:568:ff09:10c::53, 2001:568:ff09:10b::122, 192.168.1.254, 75.153.171.122

DNS domain name: telus

DNS connection suffix: telus

DNS search suffix list:

Network name: TELUS4370

Network category: Private

Connectivity (IPv4/IPv6): Connected to Internet





Name: Bluetooth Network Connection

Description: Bluetooth Device (Personal Area Network)

Physical address (MAC): cc:b0:da:45:99:2c

Status: Not Present

Maximum transmission unit: 0

Connectivity (IPv4/IPv6): Disconnected





Name: Local Area Connection* 10

Description: Microsoft Wi-Fi Direct Virtual Adapter

Physical address (MAC): ce:b0:da:45:99:2b

Status: Not Present

Maximum transmission unit: 0

Connectivity (IPv4/IPv6): Disconnected





Name: Local Area Connection* 11

Description: Microsoft Wi-Fi Direct Virtual Adapter #2

Physical address (MAC): cc:b0:da:45:99:2b

Status: Not Present

Maximum transmission unit: 0

Connectivity (IPv4/IPv6): Disconnected