bird ~ # birdc BIRD 1.6.3 ready. bird> configure check Reading configuration from /usr/local/etc/bird/bird.conf Configuration OK bird> configure Connection closed by server Can't catch an error in a configuration file. In testing, everything OK. But when you apply all the bad and the bird just falls. In log file I got: Oct 20 17:10:42 bird bird[19609]: Reconfiguring Oct 20 17:10:42 bird bird[19609]: Unknown instruction 8574 in same (~) After start I got: Oct 20 17:10:44 bird bird[19675]: Graceful restart started Oct 20 17:10:44 bird bird[19675]: Started Oct 20 17:10:44 bird bird[19675]: filters, line 11: ~ applied on unknown type pair Oct 20 17:10:44 bird bird[19675]: filters, line 11: ~ applied on unknown type pair Oct 20 17:10:44 bird bird[19675]: filters, line 11: ~ applied on unknown type pair Oct 20 17:10:44 bird bird[19675]: filters, line 11: ~ applied on unknown type pair Oct 20 17:10:44 bird bird[19675]: filters, line 11: ~ applied on unknown type pair Oct 20 17:10:44 bird bird[19675]: ... Oct 20 17:10:56 bird bird[19675]: I/O loop cycle took 11494 ms for 13 events Oct 20 17:10:56 bird bird[19675]: Kernel dropped some netlink messages, will resync on next scan. Oct 20 17:10:56 bird bird[19675]: papa_ipv4: Received: Cease Oct 20 17:10:56 bird bird[19675]: Kernel dropped some netlink messages, will resync on next scan. Oct 20 17:10:56 bird bird[19675]: blockhole_rfc7999_ipv4_bgpin: set RTD_BLACKHOLE for 194.85.16.6/32 from 193.232.140.100 Oct 20 17:10:58 bird bird[19675]: filters, line 11: ~ applied on unknown type pair Oct 20 17:10:58 bird bird[19675]: filters, line 11: ~ applied on unknown type pair Oct 20 17:10:58 bird bird[19675]: filters, line 11: ~ applied on unknown type pair Oct 20 17:10:58 bird bird[19675]: filters, line 11: ~ applied on unknown type pair Oct 20 17:10:58 bird bird[19675]: filters, line 11: ~ applied on unknown type pair Oct 20 17:10:59 bird bird[19675]: ... Oct 20 17:10:59 bird bird[19675]: Kernel dropped some netlink messages, will resync on next scan. I suspect that the error in the file bird-all.functions function tier1. My configuration: BIRD.rndbird bird # cat bird.conf include "bird-all.conf"; include "bird-ipv4.functions"; include "bird-roa4.conf"; [skip] BIRD.rndbird bird # cat bird-all.functions function clear_my_comm() pair set my_comm; { my_comm = [ (49037, *) ]; bgp_community = delete( bgp_community, my_comm ); } function tier1(bgppath cp) { if cp ~ [= * 1 * =] then return true; # Level 3 Communications if cp ~ [= * 209 * =] then return true; # CenturyLink if cp ~ [= * 286 * =] then return true; # KPN International if cp ~ [= * 701 * =] then return true; # Verizon Enterprise Solutions if cp ~ [= * 702 * =] then return true; # Verizon Enterprise Solutions if cp ~ [= * 703 * =] then return true; # Verizon Enterprise Solutions if cp ~ [= * 1239 * =] then return true; # Sprint if cp ~ [= * 1299 * =] then return true; # Telia Carrier if cp ~ [= * 2828 * =] then return true; # Verizon Enterprise Solutions if cp ~ [= * 2914 * =] then return true; # NTT Communications if cp ~ [= * 3257 * =] then return true; # Global Telecom & Technology (GTT) if cp ~ [= * 3320 * =] then return true; # Deutsche Telekom AG (ICSS) if cp ~ [= * 3356 * =] then return true; # Level 3 Communications if cp ~ [= * 3549 * =] then return true; # Level 3 Communications if cp ~ [= * 3561 * =] then return true; # CenturyLink if cp ~ [= * 4436 * =] then return true; # Global Telecom & Technology (GTT) if cp ~ [= * 5511 * =] then return true; # Orange if cp ~ [= * 6453 * =] then return true; # Tata Communications (INDIA) if cp ~ [= * 6461 * =] then return true; # Zayo Group if cp ~ [= * 6762 * =] then return true; # Telecom Italia Sparkle (Seabone) if cp ~ [= * 6830 * =] then return true; # Liberty Global if cp ~ [= * 7018 * =] then return true; # AT&T if cp ~ [= * 12956 * =] then return true; # Telefonica Global Solutions return false; } function aggroute() { if tier1(bgp_path) then return true; return false; } -- Regards, Mikhail V. Majorov Megalink Company, Director of engineering 318, Chehova street, Taganrog, Russia, 347932 tel work: +7 8634 431431 (ext 101) tel mobile: +7 918 5565520 sip: 000101@tagan.ru www.tagan.ru