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#!/bin/sh
# Copyright (C) 2021 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Return BGP neighbor addresses from CLI, can either request IPv4 only, IPv6
# only or both address-family neighbors
ipv4=0
ipv6=0
while [[ "$#" -gt 0 ]]; do
case $1 in
-4|--ipv4) ipv4=1 ;;
-6|--ipv6) ipv6=1 ;;
-b|--both) ipv4=1; ipv6=1 ;;
*) echo "Unknown parameter passed: $1" ;;
esac
shift
done
declare -a vals
eval "bgp_as=$(cli-shell-api listActiveNodes protocols bgp)"
eval "vals=($(cli-shell-api listActiveNodes protocols bgp $bgp_as neighbor))"
if [ $ipv4 -eq 1 ] && [ $ipv6 -eq 1 ]; then
echo -n '<x.x.x.x>' '<h:h:h:h:h:h:h:h>' ${vals[@]}
elif [ $ipv4 -eq 1 ] ; then
echo -n '<x.x.x.x> '
for peer in "${vals[@]}"
do
ipaddrcheck --is-ipv4-single $peer
if [ $? -eq "0" ]; then
echo -n "$peer "
fi
done
elif [ $ipv6 -eq 1 ] ; then
echo -n '<h:h:h:h:h:h:h:h> '
for peer in "${vals[@]}"
do
ipaddrcheck --is-ipv6-single $peer
if [ $? -eq "0" ]; then
echo -n "$peer "
fi
done
else
echo "Usage:"
echo "-4|--ipv4 list only IPv4 peers"
echo "-6|--ipv6 list only IPv6 peers"
echo "--both list both IP4 and IPv6 peers"
echo ""
exit 1
fi
exit 0
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