IPv6 breaking without default router / 2014-12-11

2014-12-11 IPv6 breaking without default router 3 years ago
Interesting type of IPv6 breakage currently at the Surf office:
Wireless LAN adapter Wireless Network Connection:

   Connection-specific DNS Suffix  . : eduroamers.nl
   IPv6 Address. . . . . . . . . . . : 2001:610:188:431:9d25:9938:408e:6714
   Temporary IPv6 Address. . . . . . : 2001:610:188:431:2c5e:681:fda1:702
   Link-local IPv6 Address . . . . . : fe80::9d25:9938:408e:6714%11
   IPv4 Address. . . . . . . . . . . : 145.96.1.57
   Subnet Mask . . . . . . . . . . . : 255.255.252.0
   Default Gateway . . . . . . . . . : 145.96.0.1
What's missing here? A default gateway for IPv6. Which breaks any external IPv6 connectivity. And I like having external IPv6 connectivity, for example for logging into systems at home. The solution is simple:
C:\>ipconfig /renew6

Windows IP Configuration

Wireless LAN adapter Wireless Network Connection:

   Connection-specific DNS Suffix  . : eduroamers.nl
   IPv6 Address. . . . . . . . . . . : 2001:610:188:431:9d25:9938:408e:6714
   Temporary IPv6 Address. . . . . . : 2001:610:188:431:2c5e:681:fda1:702
   Link-local IPv6 Address . . . . . : fe80::9d25:9938:408e:6714%11
   IPv4 Address. . . . . . . . . . . : 145.96.1.57
   Subnet Mask . . . . . . . . . . . : 255.255.252.0
   Default Gateway . . . . . . . . . : fe80::222:dff:fe84:8800%11
                                       145.96.0.1
I wonder how this happens.

Update 2014-12-15: And I got in touch with someone at SURFnet who suggested the best cause of action: see if this problem persists after the upcoming move of the SURFnet offices.

Update 2015-06-03: And now the IPv6 over the wireless network at the Surfnet offices is fixed.

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