Hi Simon,The hold-timers are not that important, yes, you need to change them, but mainly in very large-scale deployments. More important is to disable the split-horizon and the next-hop-self option.
Check the DMVPN Design guide at http://www.cisco.com/application/pdf/en/us/guest/netsol/ns171/c649/ccmigration_09186a008075ea98.pdf Page 2-18, EIGRP configuration explains it all Kind regards Pieter-Jan On 21 jul 2009, at 18:46, Simon Baumann wrote:
I don't have it anymore, unfortunately. But I can rebuild it. Isakmp policy, Ipsec policy, eigrp process,tunnel + loopback interfaces are enough? Cheers Simon Am 21.07.2009 um 18:38 schrieb Tyson Scott:Simon can you post your configuration. Regards, Tyson Scott - CCIE #13513 R&S and Security Technical Instructor - IPexpert, Inc. Telephone: +1.810.326.1444 Cell: +1.248.504.7309 Fax: +1.810.454.0130 Mailto: [email protected] Join our free online support and peer group communities: http://www.IPexpert.com/communities IPexpert - The Global Leader in Self-Study, Classroom-Based, Video On Demand and Audio Certification Training Tools for the Cisco CCIE R&S Lab, CCIE Security Lab, CCIE Service Provider Lab , CCIE Voice Lab and CCIE Storage Lab Certifications. -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Simon Baumann Sent: Tuesday, July 21, 2009 4:50 AM To: [email protected] Subject: [OSL | CCIE_Security] DMVPN: question about EIGRP holdtime. Hi, I used OWLE Lab2 for testing an DMVPN setup. R5 was my hub, R4 and R6 served as spokes. I added an loopback interface to every router, used EIGRP for routing in the DMVPN. Without manipulating the holdown timers, I had flipping EIGRP adjacencies. I'm not 100% sure which holdown timers I have to manipulate: only the EIGRP, the nhrp or both? Cheers Simon _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com_______________________________________________For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
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