Date: Fri, 14 Sep 2018 20:32:44 -0500 From: Eric van Gyzen <eric@vangyzen.net> To: freebsd-current@freebsd.org, freebsd-net@freebsd.org Subject: Bad DHCP Checksums over VLANs Message-ID: <9dd3c7f9-d970-5d30-ebf2-c0f40c76011b@vangyzen.net>
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Folks, I'm running head (ALPHA4-ish) on a DHCP server and a client. DHCP works fine on the physical interfaces, but when I run it on a VLAN, I get 5 bad udp checksums in 5 packets from dhclient. Full details here: https://people.freebsd.org/~vangyzen/dhcp_vlan/ This happens for /all/ clients. This is a new setup, so I don't know when it got broken, and I can't bisect. The server NIC is common (I211), so maybe it's easy to reproduce. I'll help as much as I can, of course. Eric
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