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eigrp adjacency us flapping

Posted on 2011-09-30
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Last Modified: 2012-05-12
I have a new DS3 45 Megs line from A to B

here is what i get
tcorcalr1#
.Oct  1 00:51:19: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 10.200.29.1 (FastEthernet0/1) is down: Interface Goodbye received
tcorcalr1#
.Oct  1 00:51:23: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 10.200.29.1 (FastEthernet0/1) is up: new adjacency
tcorcalr1#
.Oct  1 00:52:06: %SEC-6-IPACCESSLOGNP: list 2 denied 0 172.18.193.30 -> 0.0.0.0, 60 packets
tcorcalr1#
.Oct  1 00:52:43: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 10.200.29.1 (FastEthernet0/1) is down: Interface Goodbye received
tcorcalr1#
.Oct  1 00:52:47: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 10.200.29.1 (FastEthernet0/1) is up: new adjacency
tcorcalr1#
.Oct  1 00:54:07: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 10.200.29.1 (FastEthernet0/1) is down: retry limit exceeded
tcorcalr1#
.Oct  1 00:54:11: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 10.200.29.1 (FastEthernet0/1) is up: new adjacency

Any ideas ? It is a simple p2p line.
Any idea would be appreciated
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Question by:c_hockland
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  • 3
6 Comments
 

Author Comment

by:c_hockland
ID: 36895007
on Site A i have

interface FastEthernet1/0
 description ---- Global Crossing MPLS 2mb to xxx ----
 ip address 10.10.200.26 255.255.255.252
 ip virtual-reassembly
 ip route-cache flow
 duplex full
 speed 100
end
!
interface FastEthernet2/1
 description --- DS3 45 Meg to Site B
 ip address 10.200.29.1 255.255.255.224
 duplex full
 speed 100
end

but when i do
tcorlimr1#traceroute 10.200.29.2

Type escape sequence to abort.
Tracing the route to 10.200.29.2

  1 10.10.200.25 0 msec 0 msec 4 msec
  2 172.16.28.65 0 msec 0 msec 0 msec
  3 172.16.28.65 !H  *  !H

it cleary goes to the wrong interface

why ?
0
 

Author Comment

by:c_hockland
ID: 36895019
also
router eigrp 100
 passive-interface GigabitEthernet0/1
 passive-interface FastEthernet1/0
 network 10.200.20.0 0.0.0.255
 network 10.200.21.0 0.0.0.255
 network 10.200.22.0 0.0.0.255
 network 10.200.29.0 0.0.0.255
 network 10.200.130.0 0.0.0.255
 network 10.200.131.0 0.0.0.255
 network 10.200.132.0 0.0.0.255
 network 10.200.150.0 0.0.0.255
 network 10.200.153.0 0.0.0.255
 network 10.200.155.0 0.0.0.255
 network 172.17.193.0 0.0.0.255
 no auto-summary

ip route 0.0.0.0 0.0.0.0 209.45.66.145 name ---->dg_to_Rcp_internet_router
ip route 10.10.200.28 255.255.255.252 10.10.200.25 name ---->
ip route 10.200.20.21 255.255.255.255 10.200.21.97 name ---->
ip route 10.200.21.149 255.255.255.255 10.200.21.97 name ---->
ip route 10.200.22.130 255.255.255.255 10.200.21.97 name ---->
ip route 10.200.22.162 255.255.255.255 10.200.21.97 name ---->
ip route 10.200.24.130 255.255.255.255 10.200.21.97 name ---->
ip route 10.200.29.2 255.255.255.255 10.10.200.25 name ---->
ip route 172.16.50.48 255.255.255.252 10.10.200.25 name ---->
ip route 172.19.64.26 255.255.255.255 10.200.132.130 name ---->
ip route 172.19.64.27 255.255.255.255 10.200.132.130 name ---->

Do i need to add a static route ?
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LVL 17

Expert Comment

by:rochey2009
ID: 36896006
Hi,

Can you post the config from the other side?
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Author Comment

by:c_hockland
ID: 36897241
interface Tunnel2162
description ---- Site B & Site A 10Meg MPLS ----
ip address 10.200.132.130 255.255.255.252
ip route-cache flow
delay 90000
shutdown
tunnel source 10.200.29.2
tunnel destination 10.200.28.226
tunnel key 2162
!
interface FastEthernet0/0
description ----  Internal  ----
ip address 172.19.64.3 255.255.255.0
duplex full
speed 100
no cdp enable
standby 0 track Serial0/2/0
 
interface FastEthernet0/1
description --- Site A DS3 45 Meg
ip address 10.200.29.2 255.255.255.224
duplex full
speed 100
!
interface Serial0/2/0
description -- LPL to New office Telmex 2meg ---
bandwidth 2048
ip address 10.200.152.230 255.255.255.252
encapsulation ppp
ip route-cache flow
no cdp enable
service-policy output Outbound_shaping
!
router eigrp 100
network 10.200.29.0 0.0.0.255
network 10.200.132.0 0.0.0.255
network 10.200.152.0 0.0.0.255
network 172.19.64.0 0.0.0.255
no auto-summary
 
no ip classless
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 10.200.29.1 name ----->DS3_Line_to_Site A
0
 
LVL 17

Accepted Solution

by:
rochey2009 earned 500 total points
ID: 36898116
show interface fa2/1

is the interface up, up?
0
 
LVL 17

Expert Comment

by:rochey2009
ID: 36899222
what caused the interface to be down?
0

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