Date: Tue, 19 Nov 2019 23:12:48 +0000 From: "Dave Cottlehuber" <dch@skunkwerks.at> To: freebsd-net <freebsd-net@freebsd.org> Subject: if_tap limits in 12.1R amd64? Message-ID: <c87b8d82-97cd-4369-8d57-b1c93bc39a45@www.fastmail.com>
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I use a port, net/zerotier, that uses if_tap(4) to provide a mesh VPN. If I add many IPv6 aliases to its /80 routable IPv6 interface, sometime around adding ~ 1100 or more aliases, the port dies. If I'm really lucky, system panics. Now that I'm watching it, no such luck.... Am I running into some limitations or thresholds for if_tap? lo has no trouble soaking up this number of aliases. thanks Dave
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