186526/net186-config
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186526
2022-12-26 23:41:18 +08:00
commit eb6f5dabcf
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45
lib/community-net186.conf Normal file
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filter net186_import_filter(int POPID)
int viaRegion;
bgppath public_bgp_path;
{
public_bgp_path = delete(bgp_path, [4200000000..4225479999]);
if filter(bgp_large_community, [(LOCAL_ASN, 120, *)]).len != 0 then bgp_large_community.add((LOCAL_ASN, 120, POP));
if filter(bgp_large_community, [(LOCAL_ASN, 121, *)]).len != 0 then bgp_large_community.add((LOCAL_ASN, 121, REGION));
if (LOCAL_ASN, 122, REGION) ~ bgp_large_community then bgp_large_community.add((LOCAL_ASN, 122, REGION));
# ROUTE_DECIDER Start
if (LOCAL_ASN, 110, 2) ~ bgp_large_community then bgp_local_pref = 500;
else if (LOCAL_ASN, 110, 1) ~ bgp_large_community then bgp_local_pref = 400;
else bgp_local_pref = 300;
viaRegion = 0;
# Route is via Europe & Africa & Middle East
if bgp_large_community ~ [(LOCAL_ASN, 122, 100), (LOCAL_ASN, 122, 300..310), (LOCAL_ASN, 122, 600)] then viaRegion = viaRegion + 1;
# Route is via America
if bgp_large_community ~ [(LOCAL_ASN, 122, 200..299)] then viaRegion = viaRegion + 1;
# Route is via East Asia & Oceania
if bgp_large_community ~ [(LOCAL_ASN, 122, 400..500)] then viaRegion = viaRegion + 1;
if viaRegion > 2 then reject;
else if viaRegion = 2 then bgp_local_pref = bgp_local_pref - 50;
else if viaRegion then bgp_local_pref = 0;
# Route is via China mainland but not advertise in China mainland.
if (LOCAL_ASN, 122, 430) ~ bgp_large_community && REGION != 430 && (LOCAL_ASN, 120, 430) ~ bgp_large_community then {
reject;
}
bgp_local_pref = bgp_local_pref - filter(bgp_large_community, [(LOCAL_ASN, 122, *)]).len * 10;
};
filtet net186_export_filter(int POPID) {
if (65535, 65282) ~ bgp_community then {
reject;
}
if (65535, 65283) ~ bgp_community then {
if (POPID % 10) != (POP % 10) then {
reject;
}
}
};