Information about Preferred route

[Alexandre Corso]

Hello,

I was looking into BIRD 1.4.5. I have one BGP session established but I don’t understand all the argument, especially about preferred route?

Here my show protocol :

birdc "show protocol all R12345_1”

L1 name     proto    table    state  since       info
L2 R12345_1 BGP      T12345_my_bgp up     2015-04-01 16:27:57  Established
L3   Preference:     100
L4   Input filter:   ACCEPT
L5   Output filter:  ACCEPT
L6   Import limit:   20
L7     Action:       disable
L8   Routes:         1 imported, 21745 exported, 263 preferred
L9   Route change stats:     received   rejected   filtered    ignored   accepted
10     Import updates:              1          0          0          0          1
11     Import withdraws:            0          0        ---          0          0
12     Export updates:          21758          1          0        ---      21757
13     Export withdraws:            7        ---        ---        ---          7
14   BGP state:          Established
15     Neighbor address: 10.10.10.100
16     Neighbor AS:      12345
17     Neighbor ID:      192.168.0.1
18     Neighbor caps:    refresh AS4
19     Session:          external AS4
20     Source address:   10.10.10.250
21     Route limit:      1/20
22     Hold timer:       150/240
23     Keepalive timer:  9/23


Can you help me about the line L8 :
	My peer import 1 route
	I export 21745 routes
	I don’t know about preferred

Thank you


Alexandre Corso
Network Engineer
acorso at franceix.net




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