> On 15. Mar 2021, at 12:56, Blake Hartshorn <cont...@blakehartshorn.com> wrote: > > The short version, when I use FreeBSD 13, delivering data can take 5 minutes > for 1MB over SSH or HTTP when using IPv6. This problem does not happen with > IPv4. I installed FreeBSD 12 and Linux on that same device, neither had the > problem. > > Did some troubleshooting with Linode, have ultimately ruled the network > itself out at this point. When the server is on FreeBSD 13, it can download > quickly over IPv6, but not deliver. Started investigating after noticing my > SSH session was lagging when cat'ing large files or running builds. This > problem even occurs between VMs in the same datacenter. I generated a 1MB > file of base64 garbage served by nginx for testing. IPv6 is being configured > by SLAAC and on both 12 and 13 installs was setup by the installer. Linode > uses Linux/KVM hosts for their virtual machines so it's running on that > virtual adapter. > > I asked on the forums, another user recommended going to the mailing lists > instead. Does anyone know if config settings need to be different on 13? Did > I maybe just find a real issue? I can provide any requested details. Thanks! Could you prove a .pcap tracefile, one from the sender, one from the recevier, of a TCP/IPv6 connection, which doesn't work as expected. For example, use your 1MB base64 garbage transfer.
Best regardes Michael > > > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"