OSPF wireguard fallback

chrono chrono at open-resource.org
Thu May 3 16:15:58 CEST 2018

>> That may also indicate AllowedIP issue, if I'm not mistaken?
> Yes, that seems like a wireguard issue. Perhaps wireguard has problems
> with multicast dst because it does not know which key to use? Just
> guessing, i do not know wireguard.
> Possible workaround would be to configure OSPF on that iface as ptmp 
> and
> specify neighbor address using 'neighbors' option. In such setting only
> unicast is used.

Since the approach didn't work, I'll try this next and see
what happens. Thanks for suggesting alternatives.

>> Although unrelated, i would suggest to remove these OSPF options;
>>   tick 2;
>>   rfc1583compat yes;
> Care to elaborate why? I do trust that you will know better.
> 'tick 2' will increase convergence time form ~1 sec to ~2 sec.
> 'rfc1583compat' is an obscure OSPF option for compatibility with 
> ancient
> RFC 1583 in some multi-area setups for the price of persistent routing
> loops in some other multi-area setups. Completely irrelevant for
> single-area setups.

check. thanks for clearing that up.

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