On Mon, Oct 1, 2018 at 10:13 AM Michael Richardson <[email protected]> wrote: > > > Dave Taht <[email protected]> wrote: > > hmm... bad udp checksum??? > > With some capture mechanisms, tcpdump gets bogus values because the hardware > did the checksums. I wouldn't imagine that we have hardware checksum offload > on openwrt devices, but could be. > > Or it's a real issue.
Checksums were good on the mips device I have not getting internal dhcpv6pd, (dhcpv6 and slaac work on the external interface)... but I didn't check them all, and it's possible the pool is exhausted. Wasn't planning on doing this today! Hoped it was a firewall rule, frankly. :( > > > :/tmp# 09:12:17.404257 IP6 (flowlabel 0xdfff4, hlim 1, next-header UDP > > (17) payload length: 159) fe80::20d:b9ff:fe43:a06c.546 > ff02::1:2.547: > > [bad udp cksum 0x58f4 -> 0xc4a1!] On Mon, Oct 1, 2018 at 9:12 AM Dave > > Taht <[email protected]> wrote: > > Did you capture with -i device, or -i any? device. > > -- > ] Never tell me the odds! | ipv6 mesh networks [ > ] Michael Richardson, Sandelman Software Works | network architect [ > ] [email protected] http://www.sandelman.ca/ | ruby on rails > [ > -- Dave Täht CEO, TekLibre, LLC http://www.teklibre.com Tel: 1-669-226-2619 _______________________________________________ Cerowrt-devel mailing list [email protected] https://lists.bufferbloat.net/listinfo/cerowrt-devel
