Le 04/04/2018 à 15:28, Ondrej Zajicek a écrit :
Hi
What do you see in 'show protocols all' in import/export statistics? Do they make sense?
Hi, # sudo birdc show protocols all direct1 Direct master up 2018-01-12 Routes: 2 imported, 0 exported, 2 preferred Route change stats: received rejected filtered ignored accepted Import updates: 3 0 0 0 3 Import withdraws: 1 0 --- 0 1 Export updates: 0 0 0 --- 0 Export withdraws: 0 --- --- --- 0 kernel1 Kernel master up 2018-01-12 Routes: 31 imported, 681991 exported, 30 preferred Route change stats: received rejected filtered ignored accepted Import updates: 52 0 1 0 51 Import withdraws: 20 0 --- 1 20 Export updates: 83427721 55 0 --- 83427666 Export withdraws: 4163126 --- --- --- 4163135 static_allocations Static master up 2018-01-12 Routes: 1 imported, 0 exported, 1 preferred Route change stats: received rejected filtered ignored accepted Import updates: 1 0 0 0 1 Import withdraws: 0 0 --- 0 0 Export updates: 0 0 0 --- 0 Export withdraws: 0 --- --- --- 0 bgp_upstream1 BGP master up 2018-01-27 Established Routes: 678683 imported, 0 filtered, 1 exported, 569533 preferred Route change stats: received rejected filtered ignored accepted Import updates: 38113294 0 294 12493695 25619305 Import withdraws: 2348477 0 --- 280 2348484 Export updates: 69298824 25943901 43354922 --- 1 Export withdraws: 2932089 --- --- --- 0 bgp_upstream2 BGP master up 2018-04-03 Established Routes: 681762 imported, 77 filtered, 1 exported, 112446 preferred Route change stats: received rejected filtered ignored accepted Import updates: 2828562 0 109 0 2828453 Import withdraws: 162753 0 --- 125 162737 Export updates: 2175525 646411 1529113 --- 1 Export withdraws: 67445 --- --- --- 0 ibgp BGP master up 2018-02-18 Established Routes: 681993 imported, 682012 exported, 10 preferred Route change stats: received rejected filtered ignored accepted Import updates: 29660288 0 0 518955 29141333 Import withdraws: 7164695 0 --- 0 7164695 Export updates: 51000527 12312881 0 --- 38687646 Export withdraws: 1950522 --- --- --- 12715457 bgp_downstream BGP master up 20:17:52 Established Routes: 0 imported, 681980 exported, 0 preferred Route change stats: received rejected filtered ignored accepted Import updates: 0 0 0 0 0 Import withdraws: 0 0 --- 0 0 Export updates: 2121052 0 17236 --- 2103816 Export withdraws: 4750 --- --- --- 18179 It seems to me it makes sense: in ibgp (no filter in place), this router redistributes 682012 routes (upstream1 + upstream2 + some differences between them, probably). 682012 - 2 (direct1) - 31 (kernel1) = 681979 = downstream. (kernel1 and direct1 are block by the "export where", see my previous mail) Yes, I use iBGP because I have an another router. Quagga. Same two upstreams. No downstreams. Same receive limits (shutdown BGP session if routes > 700,000).