> WireGuard *does* support overlapping ranges of AllowedIPs on different peers. It<br>> doesn't support having *identical* ranges of AllowedIPs on different peers,<br>> which was the situation here. (You're correct, there's no concept of a metric.)<div><br></div><div>Oh good - looks like I just misunderstood your ordinal email then; I thought you were saying that any situation with multiple routes to a single IP was unsupported. Thanks for clarifying :-).</div><div><br></div><div>Cheers,</div><div>Steve</div><div><br><div class="gmail_quote"><div dir="ltr">On Fri, 16 Mar 2018, 07:51 Samuel Holland, <<a href="mailto:samuel@sholland.org">samuel@sholland.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello,<br>
<br>
On 03/15/18 13:39, Steve Gilberd wrote:<br>
>> Allowed IPs is like a routing table; you can't have two routes for the same<br>
> set of IPs<br>
><br>
> If this is the case, then wireguard does not have proper routing support.<br>
><br>
> Normally, routing tables allow both multiple and overlapping routes present.<br>
> When making routing decisions, the most-specific route is chosen (e.g. a /29 is<br>
> higher priority than a /24 which overlaps with it). If there are two identical<br>
> routes of the same size, then the one with the lowest routing metric is used.<br>
><br>
> I can understand not allowing identical routes of the same size, as wireguard<br>
> doesn't really have a concept of metric (although it could be useful for backup<br>
> links). However, it really should allow overlapping routes of different sizes.<br>
> There's no ambiguity with routing decisions, and it's a standard feature that I<br>
> would normally expect any IP routing stack to have.<br>
<br>
WireGuard *does* support overlapping ranges of AllowedIPs on different peers. It<br>
doesn't support having *identical* ranges of AllowedIPs on different peers,<br>
which was the situation here. (You're correct, there's no concept of a metric.)<br>
<br>
> Cheers,<br>
> Steve<br>
<br>
Cheers,<br>
Samuel<br>
</blockquote></div></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><p dir="ltr">Cheers,</p>
<p dir="ltr"><b>Steve Gilberd</b><br>
<font color="#666666">Erayd LTD </font><b><font color="#666666">·</font></b><font color="#666666"> Consultant</font><br>
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