[riot-notifications] [RIOT-OS/RIOT] dhcpv6_relay: initial import of a lightweight DHCPv6 relay agent (#16606)

Martine Lenders notifications at github.com
Thu Jul 29 22:21:41 CEST 2021

> There you go: [br0.pcapng.zip](https://github.com/RIOT-OS/RIOT/files/6902824/br0.pcapng.zip)

Ah, you seem to have a similar problem like I had the other day (with libCoAP in my case however): For some reason newer Linux kernels decided to rely on some Ethernet offloading which screws up the UDP checksum calculation. This seems to be a reoccuring issue, as using [this workaround](https://github.com/raspberrypi/linux/issues/1944#issuecomment-290982933) seemed to work for me. So for all bridges and TAP interfaces I did

$ sudo ethtool --offload "<iface>" rx off tx off

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