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Task #7630
closedCleanup the DNS64 situation
Start date:
01/20/2020
Due date:
% Done:
0%
Estimated time:
PM Check date:
Description
Old situation¶
- bind nameservers on routers decide based on source IPv6 address whether to give out NAT64 or not
- Overlapping use (dual stack VM vs. IPv6 only) led to problems that the above rule does not apply strictly
- This also led to problems when VMs with routed networks
Possible solution 1¶
- Advise customers who need DNS64 generally to use unbound1.place6.ungleich.ch (2a0a:e5c0:2:12:0:f0ff:fea9:c451) and unbound2.place6.ungleich.ch (2a0a:e5c0:2:12:0:f0ff:fea9:c45d)
Other solutions¶
- Remove overlapping networks (for future VMs)
- Add broken VMs/IPs to the individual list of bind
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