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You are using the “neighbor” command under eigrp 100 on R3 and R1, right?
cisco-addicted wrote: Dears,
No ip split-horizon eigrp 100 already configured, and I am running , and I am using real 2811 routers with 256/64 memory. Even I checked the process for CPU & memory and it is in the normal level.

Regards

Moe
From: Jonathan Greenwood II [mailto:gwood83@gmail.com] Sent: Monday, March 17, 2008 3:55 AM To: cisco-addicted Subject: Re: EIGRP adjacency Flapping

I would start with maybe on the Hub interface disabling eigrp split horizon:

no ip split-horizon eigrp 100

R/

Jonathan
On Sun, Mar 16, 2008 at 7:42 PM, cisco-addicted wrote:
Dears,
I configured a partial frame relay between three routers (R1, R2 & R3) with R2 as a HUB and R1 & R3 the spokes.

The L2 configuration for mapping the DLCI is working fine and I can ping all the interfaces with broadcast keywork added in the mapping statement.

The problem is we I configured the EIGRP AS 100 between them the adjacency come up, but I always got the following error in R3 ( the spoke) mentioning that the other Spoke’s IP address is not down.!!!!!

May someone explain what is the reason for this flapping???

Rack1R3(config-router)#
*May 9 05:25:03.785: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 183.1.123.1 (Serial1/0) is down: retry limit exceeded
Rack1R3(config-router)#
*May 9 05:25:49.965: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 183.1.123.1 (Serial1/0) is up: new adjacency
Rack1R3(config-router)#
Rack1R3#
*May 9 05:26:01.445: %SYS-5-CONFIG_I: Configured from console by console
Rack1R3#
*May 9 05:28:54.477: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 183.1.123.1 (Serial1/0) is down: retry limit exceeded
Rack1R3#
*May 9 05:29:20.069: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 183.1.123.1 (Serial1/0) is up: new adjacency
Rack1R3#

Thanks in advance gang.

Moe