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#!/bin/bash
# Script by Juan Nicolas Ruiz
# Used with his kind permission.
# Setting up (and stopping) a GRE tunnel.
# --- start-tunnel.sh ---
LOCAL_IP="192.168.1.17"
REMOTE_IP="10.0.5.33"
OTHER_IFACE="192.168.0.100"
REMOTE_NET="192.168.3.0/24"
/sbin/ip tunnel add netb mode gre remote $REMOTE_IP \
local $LOCAL_IP ttl 255
/sbin/ip addr add $OTHER_IFACE dev netb
/sbin/ip link set netb up
/sbin/ip route add $REMOTE_NET dev netb
exit 0 #############################################
# --- stop-tunnel.sh ---
REMOTE_NET="192.168.3.0/24"
/sbin/ip route del $REMOTE_NET dev netb
/sbin/ip link set netb down
/sbin/ip tunnel del netb
exit 0
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