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BIRD 2.0 utility for DN42 related operations
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# BIRD 2.0 utility for DN42 related operations | |
# To be used with: | |
# include "bird-dn42-util.conf"; | |
# in bird.conf main configuration file. | |
function reset_origin (int transit; int origin) | |
{ | |
bgp_path.empty; | |
bgp_path.prepend(origin); | |
bgp_path.prepend(transit); | |
accept; | |
} | |
function mix_dn42 (int dn42_asn) | |
{ | |
if net ~ [ 172.20.0.0/14+ ] || net ~ [ fd00::/8+ ] then { | |
bgp_path.filter([ 64600..64855, 76100..76199, 4242420000..4242429999 ]); | |
if bgp_path.first != dn42_asn then bgp_path.prepend(dn42_asn); | |
} | |
accept; | |
} | |
filter only_dn42 | |
{ | |
if net ~ [ 172.20.0.0/14{15,31} ] || net ~ [ fd00::/8{16,48} ] then accept; | |
reject; | |
} |
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#!/bin/bash | |
AS=( | |
AS64496 | |
AS64497 | |
AS-SET-EXAMPLE | |
) | |
set -e | |
[ "$(id -u)" = 0 ] || exec sudo -- "$0" | |
OUTPUT="$(mktemp)" | |
for as in "${AS[@]}" | |
do | |
bgpq4 -6Ab -l "define ${as//-/_}" -R 48 -- "$as" | tee -a -- "$OUTPUT" | |
done | |
chmod 0644 -- "$OUTPUT" | |
mv -- "$OUTPUT" filters.conf |
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