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Shouldn't it work with just the link local address as gateway (aka no scope)?
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I think since you select interface (=scope), each fe80:: entry should be unique if its on a different interface as gateway.
Quote from: Monviech (Cedrik) on May 15, 2025, 07:15:44 PMShouldn't it work with just the link local address as gateway (aka no scope)?
Link local addresses always need a scope. How should the system tell which link it is local to without?
In the OPNsense UI on the other hand you just set the gateway LL address without the scope and OPNsense will add it according to the interface you assigned the gateway to. If you look at the routing table afterwards you will see that the scope is present. Just don't put it in the gateway address field. The interface selection takes care of that.
I don't understand the original report:
You set something somewhere and then you get "Dynamic gateway values cannot be specified for interfaces with a static IPv6 configuration. Invalid IPv6 address" which suggests you haven't filled out the the gateway address to use for your static IPv6 setup. If you don't use SLAAC where should the gateway/router come from?
Cheers,
Franco
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