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Infiniband の P_Key を /etc/network/interfaces で指定する方法

Linux
Ubuntu
infiniband

Last updated at 2018-08-11Posted at 2018-08-09

以下の定義で動きました。
pre-upで親ポート(ib0)にサブインターフェイスを追加しています。

/etc/network/interfaces

auto ib0.8001
iface ib0.8001 inet static
	address 1.2.3.4/24
	pre-up    echo 0x8001    > /sys/class/net/ib0/create_child
	post-up   echo connected > /sys/class/net/$IFACE/mode
	post-up   ip link set $IFACE mtu 65520
	post-down echo 0x8001    > /sys/class/net/ib0/delete_child

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