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0157000cab
The reason they weren't working was because the cmd/tta agent in the guest was dialing out to the test and the vnet couldn't map its global unicast IPv6 address to a node as it was just using a map[netip.Addr]*node and blindly trusting the *node was populated. Instead, it was nil, so the agent connection fetching didn't work for its RoundTripper and the test could never drive the node. That map worked for IPv4 but for IPv6 we need to use the method that takes into account the node's IPv6 SLAAC address. Most call sites had been converted but I'd missed that one. Also clean up some debug, and prohibit nodes' link-local unicast addresses from dialing 2000::/3 directly for now. We can allow that to be configured opt-in later (some sort of IPv6 NAT mode. Whatever it's called.) That mode was working on accident, but was confusing: Linux would do source address selection from link local for the first few seconds and then after SLAAC and DAD, switch to using the global unicast source address. Be consistent for now and force it to use the global unicast. Updates #13038 Change-Id: I85e973aaa38b43c14611943ff45c7c825ee9200a Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com> |
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| .. | ||
| nat | ||
| testcontrol | ||
| vms | ||
| gen_deps.go | ||
| integration_test.go | ||
| integration.go | ||
| tailscaled_deps_test_darwin.go | ||
| tailscaled_deps_test_freebsd.go | ||
| tailscaled_deps_test_linux.go | ||
| tailscaled_deps_test_openbsd.go | ||
| tailscaled_deps_test_windows.go | ||