tuna2134/FreeBSD_EtherIP.md

Last active November 6, 2025 07:40

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FreeBSD_EtherIP.md

FreeBSDでEtherIP

FreeBSDでEtherIPをやる方法です。

/etc/rc.conf

ifconfig_DEFAULT="inet6 accept_rtadv"
cloned_interfaces="gif0 bridge0"
ifconfig_gif0="inet6 tunnel <source-address> <remote-address> mtu 1500 link0 up"
ifconfig_bridge0="mtu 1500 addm gif0 addm em0 up"
ifconfig_em0="-rxcsum -txcsum -lro -rxcsum6 -txcsum6 up"

sysrc pf_enable=yes
pf_enable="yes"

/etc/pf.conf

scrub out on gif0 inet proto tcp max-mss 1404
scrub in on gif0 inet proto tcp max-mss 1404

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