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add bird ipv6 configuration
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dn42 wiki
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howto/Bird.md
162
howto/Bird.md
@ -10,6 +10,8 @@ Compared to quagga, bird supports multiple routing, which is useful, if you also
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* Replace `<PEER_AS>` the Autonomous System Number of your peer
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* Replace `<PEER_NAME>` a self chosen name for your peer
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### IPV4
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```
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# /etc/bird/bird.conf
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# Device status
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@ -146,6 +148,157 @@ protocol bgp <PEER_NAME> from dnpeers {
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};
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```
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### IPV6
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```
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#/etc/bird/bird6.conf
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protocol device {
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scan time 10;
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}
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# filter helpers
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#################
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include "/etc/bird/filter6.conf";
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# local configuration
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######################
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include "bird/local6.conf";
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# Kernel routing tables
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########################
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protocol kernel {
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scan time 20;
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device routes;
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import none;
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export filter {
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krt_prefsrc = OWNIP;
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accept;
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};
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}
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# static routes
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################
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protocol static {
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route <SUBNET> reject;
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}
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template bgp dnpeers {
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local as OWNAS;
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path metric 1;
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import keep filtered;
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import filter {
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if is_valid_network() && !is_self_net() then {
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accept;
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}
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reject;
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};
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export filter {
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if is_valid_network() then {
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accept;
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}
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reject;
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};
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route limit 10000;
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}
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include "/etc/bird/peers6/*";
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```
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```
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# /etc/bird/local6.conf
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# should be a unique identifier, use same id as for ipv4
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router id <GATEWAY_IP>;
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define OWNAS = <AS>;
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define OWNIP = <GATEWAY_IP>;
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function is_self_net() {
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return net ~ [<SUBNET>+];
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}
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```
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Generate the filter list from the monotone repository
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```
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cd net.dn42.registry
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ruby utils/bgp-filter.rb < data/filter6.txt > /etc/bird/filter6.conf
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```
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example filter list:
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```
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function is_valid_network() {
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return net ~ [
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fc00::/8{48,64}, # ULA (undefined)
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fd00::/8{48,64}, # ULA (defined)
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2001:67c:20c1::/48{48,48}, # E-UTP IPv6
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2001:bf7::/32{32,128}, # Freifunk (Foerderverein Freie Netzwerke) IPv6 Range
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2001:67c:20a1::/48{48,48}, # CCC Event Network
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2001:0470:006c:01d5::/64{64,64}, # Registered IANA
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2001:0470:006d:0655::/64{64,64},
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2001:0470:1f09:172d::/64{64,64},
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2001:0470:1f0b:0592::/64{64,64},
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2001:0470:1f0b:0bca::/64{64,64},
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2001:0470:1f0b:1af5::/64{64,64},
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2001:0470:1f10:0275::/64{64,64},
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2001:0470:1f12:0004::/64{64,64},
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2001:0470:5084::/48{48,64},
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2001:0470:51c6::/48{48,64},
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2001:0470:73d3::/48{48,64},
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2001:0470:7972::/48{48,64},
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2001:0470:9949::/48{48,64},
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2001:0470:99fc::/48{48,64},
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2001:0470:9af8::/48{48,64},
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2001:0470:9ce6::/55{55,64},
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2001:0470:9f43::/48{48,64},
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2001:0470:caab::/48{48,64},
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2001:0470:cd99::/48{48,64},
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2001:0470:d4df::/48{48,64},
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2001:0470:d889:0010::/64{64,64},
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2001:0470:e3f0:000a::/64{64,64},
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2001:067c:21ec::/48{48,64},
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2001:06f8:1019:0000::/64{64,64},
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2001:06f8:118b::/48{48,64},
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2001:06f8:1194::/48{48,64},
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2001:06f8:121a::/48{48,64},
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2001:06f8:1c1b::/48{48,64},
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2001:06f8:1d14::/48{48,64},
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2001:06f8:1d26::/48{48,64},
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2001:06f8:1d53::/48{48,64},
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2001:07f0:3003::/48{48,64},
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2001:08d8:0081:05c8::/63{63,64},
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2001:08d8:0081:05ca::/64{64,64},
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2001:15c0:1000:0100::/64{64,64},
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2001:1b60:1000:0001::/64{64,64},
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2001:41d0:0001:b6bb::/64{64,64},
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2001:41d0:0001:cd42::/64{64,64},
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2001:4dd0:fcff::/48{48,64},
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2001:4dd0:fdd3::/48{48,64},
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2001:4dd0:ff00:8710::/64{64,64},
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2604:8800:0179:4200::/56{56,64},
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2801:0000:80:8000::/50{50,64},
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2a00:1328:e101:0200::/56{56,64},
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2a00:1828:2000:0289::/64{64,64},
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2a00:1828:a013:d242::/64{64,64},
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2a00:5540:0387::/48{48,64},
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2a01:0198:022c::/48{48,64},
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2a01:0198:035a:fd13::/64{64,64},
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2a01:0198:0485::/48{48,64},
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2a01:04f8:0121:4fff::/64{64,64},
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2a01:04f8:0140:1ffd::/64{64,64},
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2a01:04f8:0d13:17c0::/64{64,64},
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2a02:0a00:e010:3c00::/56{56,64},
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2a02:0ee0:0002:0051::/64{64,64},
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2a03:2260::/30{30,64}
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];
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}
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```
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# Useful bird commmands
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bird can be remote controlled via the `birdc` command. Here is a list of useful bird commands:
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@ -169,6 +322,15 @@ bird> show route for 172.22.141.181 # show possible routes to internal.dn42
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172.22.141.0/24 via 172.23.67.1 on tobee [tobee 07:20:30] * (100) [AS64737i]
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via 172.23.64.1 on chelnok [chelnok 07:20:29] (100) [AS64737i]
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via 172.23.136.65 on hax404 [hax404 07:20:26] (100) [AS64737i]
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bird> show route filtered
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172.23.245.1/32 via 172.23.64.1 on chelnok [chelnok 21:26:18] * (100) [AS76175i]
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172.22.247.128/32 via 172.23.64.1 on chelnok [chelnok 21:26:18] * (100) [AS76175i]
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172.22.227.1/32 via 172.23.64.1 on chelnok [chelnok 21:26:18] * (100) [AS76115i]
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172.23.196.75/32 via 172.23.64.1 on chelnok [chelnok 21:26:18] * (100) [AS76115i]
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172.22.41.241/32 via 172.23.64.1 on chelnok [chelnok 21:26:18] * (100) [AS76115i]
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172.22.249.4/30 via 172.23.64.1 on chelnok [chelnok 21:26:18] * (100) [AS4242420002i]
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172.22.255.133/32 via 172.23.64.1 on chelnok [chelnok 21:26:18] * (100) [AS64654i]
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...
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```
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# External Links
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