> On Dec 14, 2025, at 10:47, Jonathan A. Kollasch <[email protected]> wrote: > > On Sun, Dec 14, 2025 at 10:30:12AM -0700, Brook Milligan wrote: >> I am trying to set up an IPv6 tunnel via Hurricane Electric’s tunnelbroker >> service, but packets are not routed through the tunnel. >> >> After registering the tunnel, their instructions for NetBSD are to configure >> the network as follows: >> >> ifconfig gif0 create >> ifconfig gif0 tunnel x.x.x.x y.y.y.y > > If it's a public address on the host, then you'll need to make sure your > ISP isn't blocking IPv4 protocol 41 in either direction. (I've seen > a USA residential DOCSIS provider do this.)
I’m pretty sure this is the problem, though I’m not exactly sure how to verify that. However, I tried on a different network routed via a different ISP and all works perfectly. Thanks for the suggestion. Also, thanks (!) to everyone who spoke up with a great set of ideas. I really appreciate the assistance. Cheers, Brook
