We have p2p link between SanDeago and Mexico, configured with BGP.
in recent times the link is plapping continuously, plz check below bgp config on both routers.
NatPen_MX_3825#sh run | be bgp
router bgp 65001
no synchronization
bgp log-neighbor-changes
network 10.60.0.0 mask 255.255.0.0
redistribute static metric 20 route-map MXCAMMAP
neighbor 10.63.0.1 remote-as 1
neighbor 10.63.0.1 fall-over
no auto-summary
!
NatPen_MX_3825#sh ip route
Codes: C - connected, S - static, 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
i - IS-IS, su - IS-IS summary, 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 10.63.0.1 to network 0.0.0.0
199.220.41.0/30 is subnetted, 1 subnets
B 199.220.41.176 [20/0] via 10.63.0.1, 00:00:13
1.0.0.0/24 is subnetted, 1 subnets
B 1.4.204.0 [20/0] via 10.63.0.1, 00:00:13
152.177.0.0/30 is subnetted, 1 subnets
B 152.177.74.24 [20/0] via 10.63.0.1, 00:00:13
152.181.0.0/30 is subnetted, 1 subnets
B 152.181.185.68 [20/0] via 10.63.0.1, 00:00:13
206.113.119.0/26 is subnetted, 2 subnets
B 206.113.119.128 [20/0] via 10.63.0.1, 00:00:13
B 206.113.119.0 [20/0] via 10.63.0.1, 00:00:13
199.220.194.0/30 is subnetted, 1 subnets
B 199.220.194.232 [20/0] via 10.63.0.1, 00:00:13
172.17.0.0/30 is subnetted, 1 subnets
B 172.17.29.0 [20/0] via 10.63.0.1, 00:00:13
172.16.0.0/24 is subnetted, 1 subnets
B 172.16.1.0 [20/0] via 10.63.0.1, 00:00:13
172.18.0.0/30 is subnetted, 2 subnets
B 172.18.30.0 [20/0] via 10.63.0.1, 00:00:13
B 172.18.29.0 [20/0] via 10.63.0.1, 00:00:13
172.21.0.0/30 is subnetted, 1 subnets
D 172.21.106.120 [220/63232] via 172.20.107.229, 5d03h, Serial2/0
172.20.0.0/30 is subnetted, 1 subnets
C 172.20.107.228 is directly connected, Serial2/0
172.23.0.0/30 is subnetted, 1 subnets
B 172.23.9.0 [20/0] via 10.63.0.1, 00:00:13
172.22.0.0/30 is subnetted, 2 subnets
B 172.22.0.144 [20/0] via 10.63.0.1, 00:00:13
D 172.22.157.84 [220/63232] via 172.20.107.229, 5d03h, Serial2/0
172.32.0.0/24 is subnetted, 1 subnets
B 172.32.7.0 [20/0] via 10.63.0.1, 00:00:13
10.0.0.0/8 is variably subnetted, 21 subnets, 5 masks
B 10.30.0.0/21 [20/0] via 10.63.0.1, 00:00:13
B 10.31.0.0/16 [20/0] via 10.63.0.1, 00:00:13
B 10.30.13.0/24 [20/0] via 10.63.0.1, 00:00:14
B 10.20.0.0/16 [20/0] via 10.63.0.1, 00:00:14
B 10.21.0.0/16 [20/0] via 10.63.0.1, 00:00:14
B 10.40.0.0/16 [20/0] via 10.63.0.1, 00:00:14
B 10.41.0.0/16 [20/0] via 10.63.0.1, 00:00:14
C 10.63.0.0/16 is directly connected, GigabitEthernet0/1
S 10.61.1.0/24 [1/0] via 10.60.0.2
C 10.60.0.0/16 is directly connected, GigabitEthernet0/0
B 10.100.0.44/30 [20/0] via 10.63.0.1, 00:00:14
B 10.133.201.0/24 [20/0] via 10.63.0.1, 00:00:14
B 10.100.0.32/30 [20/0] via 10.63.0.1, 00:00:14
B 10.90.0.0/16 [20/0] via 10.63.0.1, 00:00:14
B 10.172.16.0/24 [20/0] via 10.63.0.1, 00:00:14
B 10.4.204.0/24 [20/0] via 10.63.0.1, 00:00:14
B 10.4.205.0/24 [20/0] via 10.63.0.1, 00:00:14
B 10.3.202.0/24 [20/0] via 10.63.0.1, 00:00:14
B 10.4.202.0/24 [20/0] via 10.63.0.1, 00:00:14
B 10.4.201.0/24 [20/0] via 10.63.0.1, 00:00:14
B 10.254.254.240/32 [20/0] via 10.63.0.1, 00:00:14
147.225.0.0/30 is subnetted, 1 subnets
B 147.225.40.160 [20/0] via 10.63.0.1, 00:00:14
B 206.169.74.0/24 [20/0] via 10.63.0.1, 00:00:14
B 192.168.100.0/24 [20/0] via 10.63.0.1, 00:00:14
B* 0.0.0.0/0 [20/0] via 10.63.0.1, 00:00:14
NatPen_MX_3825#sh ip bg
NatPen_MX_3825#sh ip bgp
BGP table version is 32518, local router ID is 172.20.107.230
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*> 0.0.0.0 10.63.0.1 0 1 65000 65000 i
*> 1.4.204.0/24 10.63.0.1 0 1 ?
*> 10.3.202.0/24 10.63.0.1 0 1 ?
*> 10.4.201.0/24 10.63.0.1 0 1 ?
*> 10.4.202.0/24 10.63.0.1 0 1 ?
*> 10.4.204.0/24 10.63.0.1 0 1 ?
*> 10.4.205.0/24 10.63.0.1 0 1 ?
*> 10.20.0.0/16 10.63.0.1 0 1 65000 65000 ?
*> 10.21.0.0/16 10.63.0.1 0 1 65000 65000 i
*> 10.30.0.0/21 10.63.0.1 0 0 1 i
*> 10.30.13.0/24 10.63.0.1 0 0 1 i
*> 10.31.0.0/16 10.63.0.1 0 0 1 ?
*> 10.40.0.0/16 10.63.0.1 0 1 65000 65000 i
*> 10.41.0.0/16 10.63.0.1 0 1 65000 65000 ?
*> 10.60.0.0/16 0.0.0.0 0 32768 i
*> 10.61.1.0/24 10.60.0.2 20 32768 ?
r> 10.63.0.0/16 10.63.0.1 0 0 1 ?
*> 10.90.0.0/16 10.63.0.1 0 1 65000 10 i
*> 10.100.0.32/30 10.63.0.1 0 1 ?
*> 10.100.0.44/30 10.63.0.1 0 1 65000 65000 ?
*> 10.133.201.0/24 10.63.0.1 0 1 ?
*> 10.172.16.0/24 10.63.0.1 0 1 ?
*> 10.254.254.240/32
10.63.0.1 0 1 ?
*> 147.225.40.160/30
10.63.0.1 0 0 1 ?
*> 152.177.74.24/30 10.63.0.1 0 1 65000 ?
*> 152.181.185.68/30
10.63.0.1 0 1 65000 ?
*> 172.16.1.0/24 10.63.0.1 0 1 ?
*> 172.17.29.0/30 10.63.0.1 0 1 65000 65000 ?
*> 172.18.29.0/30 10.63.0.1 0 0 1 ?
*> 172.18.30.0/30 10.63.0.1 0 1 ?
*> 172.22.0.144/30 10.63.0.1 0 1 ?
*> 172.23.9.0/30 10.63.0.1 0 1 65000 65000 ?
*> 172.32.7.0/24 10.63.0.1 0 1 ?
*> 192.168.100.0 10.63.0.1 0 1 ?
*> 199.220.41.176/30
Network Next Hop Metric LocPrf Weight Path
10.63.0.1 0 1 ?
*> 199.220.194.232/30
10.63.0.1 0 1 65000 ?
*> 206.113.119.0/26 10.63.0.1 0 1 65000 65004 ?
*> 206.113.119.128/26
10.63.0.1 0 1 65000 65004 ?
*> 206.169.74.0 10.63.0.1 0 1 65000 65000 ?
NatPen_MX_3825#
NatPen_MX_3825#sh run | in ip rou
ip route 10.61.1.0 255.255.255.0 10.60.0.2
NatPen_MX_3825#
===============================================================================================================
router bgp 1
no synchronization
bgp log-neighbor-changes
network 10.30.0.0 mask 255.255.248.0
network 10.30.13.0 mask 255.255.255.0
redistribute connected
neighbor 10.63.0.2 remote-as 65001
neighbor 10.63.0.2 fall-over
neighbor 147.225.40.161 remote-as 65000
neighbor 147.225.40.161 distribute-list no-redist-CV-Routes out
neighbor 172.18.29.2 remote-as 1
no auto-summary
NatPen_SD2#sh ip route
Codes: C - connected, S - static, 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
i - IS-IS, su - IS-IS summary, 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 147.225.40.161 to network 0.0.0.0
199.220.41.0/30 is subnetted, 1 subnets
B 199.220.41.176 [200/0] via 10.100.0.34, 3w1d
1.0.0.0/24 is subnetted, 1 subnets
B 1.4.204.0 [200/0] via 10.133.201.254, 3w1d
152.177.0.0/30 is subnetted, 1 subnets
B 152.177.74.24 [20/0] via 147.225.40.161, 4w3d
152.181.0.0/30 is subnetted, 1 subnets
B 152.181.185.68 [20/0] via 147.225.40.161, 4w3d
206.113.119.0/26 is subnetted, 2 subnets
B 206.113.119.128 [20/0] via 147.225.40.161, 4w3d
B 206.113.119.0 [20/0] via 147.225.40.161, 4w3d
199.220.194.0/30 is subnetted, 1 subnets
B 199.220.194.232 [20/0] via 147.225.40.161, 4w0d
172.17.0.0/30 is subnetted, 1 subnets
B 172.17.29.0 [20/0] via 147.225.40.161, 3w0d
172.16.0.0/24 is subnetted, 1 subnets
B 172.16.1.0 [200/0] via 10.133.201.254, 3w1d
172.18.0.0/30 is subnetted, 2 subnets
B 172.18.30.0 [200/0] via 172.18.29.2, 3w1d
C 172.18.29.0 is directly connected, FastEthernet1/1
172.23.0.0/30 is subnetted, 1 subnets
B 172.23.9.0 [20/0] via 147.225.40.161, 1w2d
172.22.0.0/30 is subnetted, 1 subnets
B 172.22.0.144 [200/0] via 172.18.29.2, 3w1d
172.32.0.0/24 is subnetted, 1 subnets
B 172.32.7.0 [200/0] via 10.133.201.254, 3w1d
10.0.0.0/8 is variably subnetted, 21 subnets, 5 masks
C 10.30.0.0/21 is directly connected, GigabitEthernet0/0.1
C 10.31.0.0/16 is directly connected, GigabitEthernet0/0.2
C 10.30.13.0/24 is directly connected, GigabitEthernet0/0.2
B 10.20.0.0/16 [20/0] via 147.225.40.161, 4w0d
B 10.21.0.0/16 [20/0] via 147.225.40.161, 4w3d
B 10.40.0.0/16 [20/0] via 147.225.40.161, 1w2d
B 10.41.0.0/16 [20/0] via 147.225.40.161, 1w2d
C 10.63.0.0/16 is directly connected, GigabitEthernet0/1
B 10.61.1.0/24 [20/20] via 10.63.0.2, 00:01:44
B 10.60.0.0/16 [20/0] via 10.63.0.2, 00:01:44
B 10.100.0.44/30 [20/0] via 147.225.40.161, 4w3d
B 10.133.201.0/24 [200/0] via 172.18.29.2, 3w1d
B 10.100.0.32/30 [200/0] via 172.18.29.2, 3w1d
B 10.90.0.0/16 [20/0] via 147.225.40.161, 4w3d
B 10.172.16.0/24 [200/0] via 10.133.201.254, 3w1d
B 10.4.204.0/24 [200/0] via 10.133.201.254, 3w1d
B 10.4.205.0/24 [200/0] via 10.133.201.254, 3w1d
B 10.3.202.0/24 [200/0] via 10.133.201.254, 3w1d
B 10.4.202.0/24 [200/0] via 10.133.201.254, 3w1d
B 10.4.201.0/24 [200/0] via 10.133.201.254, 3w1d
B 10.254.254.240/32 [200/0] via 10.133.201.254, 3w1d
147.225.0.0/30 is subnetted, 1 subnets
C 147.225.40.160 is directly connected, Serial3/0
B 206.169.74.0/24 [20/0] via 147.225.40.161, 2w1d
B 192.168.100.0/24 [200/0] via 10.133.201.254, 3w1d
B* 0.0.0.0/0 [20/0] via 147.225.40.161, 3w5d
NatPen_SD2#
NatPen_SD2#sh run | in ip route
ip route 0.0.0.0 0.0.0.0 10.133.201.254 210
ip route 1.4.205.147 255.255.255.255 10.100.0.29
ip route 170.146.36.16 255.255.255.255 10.100.0.29
ip route 170.146.234.48 255.255.255.255 10.100.0.29
NatPen_SD2#
