bikin file /config/scripts/monitor-next-hop.sh
#!/bin/vbash
source /opt/vyatta/etc/functions/script-template
NEXT_HOP="10.10.10.2" # IP Next-Hop yang dipantau
ROUTE_TABLE="100" # Nomor tabel
CHECK_COUNT=3 # Jumlah ping untuk menentukan status
PING_INTERVAL=1 # Waktu antar ping dalam detik
# Fungsi untuk menambahkan static route
add_route() {
configure
echo "Adding static route to next-hop $NEXT_HOP in table $ROUTE_TABLE"
set protocols static table $ROUTE_TABLE route 0.0.0.0/0 next-hop $NEXT_HOP
commit
exit
}
# Fungsi untuk menghapus static route
remove_route() {
configure
echo "Removing static route to next-hop $NEXT_HOP from table $ROUTE_TABLE"
delete protocols static table $ROUTE_TABLE route 0.0.0.0/0
commit
exit
}
# Cek apakah next-hop dapat dijangkau
if ping -c $CHECK_COUNT -i $PING_INTERVAL $NEXT_HOP > /dev/null 2>&1; then
echo "Next-hop $NEXT_HOP is reachable"
# Jika rute belum ada, tambahkan
if ! run show ip route table $ROUTE_TABLE | grep -q $NEXT_HOP; then
add_route
fi
else
echo "Next-hop $NEXT_HOP is unreachable"
# Jika rute ada, hapus
if run show ip route table $ROUTE_TABLE | grep -q $NEXT_HOP; then
remove_route
fi
fi
set system task-scheduler task monitor-next-hop executable path "/config/scripts/monitor-next-hop.sh"
set system task-scheduler task monitor-next-hop interval 1
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