uncloud-mravi/ucloud/network/create-vxlan.sh

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#!/bin/sh
if [ $# -ne 2 ]; then
echo "$0 vxlanid dev"
echo "f.i. $0 100 eno1"
echo "Missing arguments" >&2
exit 1
fi
netid=$1; shift
dev=$1; shift
vxlan=vxlan${netid}
if ! ip link show $vxlan > /dev/null 2> /dev/null; then
ip -6 link add $vxlan type vxlan \
id $netid \
dstport 4789 \
group ff05::$netid \
dev $dev \
ttl 5
ip link set $dev up
ip link set $vxlan up
fi
echo $vxlan