From: Richard Davidson (rich@myhomemail.net)
Date: Sun Oct 27 2002 - 03:00:16 GMT-3
This is the rull of bgp sync as I know it. If the IGP
knows the network that BGP has than bgp will be in
sync. In the show ip route and sho ip bgp I have a
route to each of the bgp networks but they are not all
in sync. Am I missing something. Shouldn't they (bgp
routes) all be in sync.
Rich
r2#sho ip bgp
BGP table version is 3162, local router ID is
223.255.2.1
Status codes: s suppressed, d damped, h history, *
valid, > best, i - internal
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf
Weight Path
*>i137.20.10.0/24 137.20.64.5 20 100
0 ?
*>i137.20.20.0/24 137.20.25.2 84 100
0 ?
* i137.20.25.0/24 137.20.64.5 11 100
0 ?
* i137.20.33.0/26 137.20.25.2 75 100
0 ?
* i137.20.48.0/20 137.20.25.2 12 100
0 ?
* i137.20.64.0/20 137.20.25.2 11 100
0 ?
* i137.20.100.34/32 137.20.25.2 10 100
0 ?
* i137.20.100.35/32 137.20.25.2 74 100
0 ?
* i137.20.240.0/20 137.20.25.2 11 100
0 ?
*>i172.168.70.0/24 137.20.10.70 170 100
0 3 i
* i172.168.80.0/24 137.20.86.1 0 100
0 1 i
*>i200.200.100.0 137.20.25.2 75 100
0 ?
* i200.200.200.0 137.20.25.1 0 100
0 ?
r2#sho ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M
- mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA -
OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA
external type 2
E1 - OSPF external type 1, E2 - OSPF external
type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS
level-2, ia - IS-IS inter area
* - candidate default, U - per-user static
route, o - ODR
P - periodic downloaded static route
Gateway of last resort is 0.0.0.0 to network 0.0.0.0
C 223.255.2.0/24 is directly connected, Loopback223
O IA 200.200.200.0/24 [110/66] via 137.20.100.34,
00:18:09, Serial0
137.20.0.0/16 is variably subnetted, 14 subnets,
6 masks
O E1 137.20.200.16/28 [110/164] via 137.20.100.34,
00:18:10, Serial0
O 137.20.240.0/20 [110/65] via 137.20.100.34,
00:18:20, Serial0
O 137.20.224.0/20 [110/1626] via 137.20.100.34,
00:18:20, Serial0
O IA 137.20.25.0/24 [110/65] via 137.20.100.34,
00:18:10, Serial0
C 137.20.20.0/24 is directly connected,
Ethernet0
O E2 137.20.10.0/24 [110/20] via 137.20.100.34,
00:18:11, Serial0
O E1 137.20.40.16/28 [110/164] via 137.20.100.34,
00:18:11, Serial0
O 137.20.48.0/20 [110/66] via 137.20.100.34,
00:18:21, Serial0
O IA 137.20.33.0/26 [110/129] via 137.20.100.34,
00:18:11, Serial0
O E2 137.20.86.0/24 [110/20] via 137.20.100.34,
00:18:12, Serial0
C 137.20.100.32/27 is directly connected,
Serial0
O 137.20.100.35/32 [110/128] via 137.20.100.34,
1d02h, Serial0
O 137.20.100.34/32 [110/64] via 137.20.100.34,
1d02h, Serial0
O 137.20.64.0/20 [110/65] via 137.20.100.34,
00:18:22, Serial0
C 200.200.100.0/24 is directly connected, Loopback0
172.168.0.0/24 is subnetted, 2 subnets
O E2 172.168.70.0 [110/500] via 137.20.100.34,
00:18:12, Serial0
O E2 172.168.80.0 [110/500] via 137.20.100.34,
00:18:12, Serial0
S* 0.0.0.0/0 is directly connected, Ethernet0
r2#
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