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EIGRP Timers

Written by Rene Molenaar on . Posted in EIGRP

Scenario:

You are the network engineer for a fairly large international operating company.  One of the trainees in the company is studying for his CCNA and decided to practice on some of the company routers. EIGRP is now messed up and it's up to you to reconfigure the timers again.

Goal:

  • All IP addresses have been preconfigured for you.
  • Configure EIGRP on all interfaces.
  • Router Boston should have a holddown timers of 9 seconds for all neighbors.
  • Router NewYork should send an EIGRP hello packet every 5 seconds to router Philadelphia.
  • Configure EIGRP so lost routes are stuck-in-active if you don't get a reply to your query in 2 minutes.

IOS:

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Topology:

EIGRP Timers

Video Solution:

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Comments (7)

  • avatar
    mdasif
    2011-12-26 10:27:19

    Hi Rene

    An incorrect video has been posted on this lab page. The video should have been for 'EIGRP Timers' Instead another video has been linked to this page. 'On Demand Routing lab in GNS3'

    thanks/Mohammed

  • avatar
    ReneMolenaar
    2012-01-02 12:37:02

    Hi Mohammed,

    Thanks I just fixed it.

    Rene

  • avatar
    ccielab
    2012-01-18 21:37:11

    Hi Rene

    It will be so easy for us ;if you do each lab and apply the command to show where it has been changed the output. Like "show ip protocols" or "show ip eigrp interface details". Because lot's of troubleshooting issue will be resolved by your fantastic labs. I appreciate your oncoming video recording will be more focus on troubleshooting tips and how to check each output..

  • avatar
    faheem.ahmad
    2012-02-24 23:06:12

    Hi, Brother
    Can you please tell me how to validate hold- down timers after changing it.. as per Cisco it should be visible in sh ip eigrp nei command, but after changing my hold down this is output which i get, which is same as default settings..

    Boston#sh ip eigrp nei
    IP-EIGRP neighbors for process 10
    H Address Interface Hold Uptime SRTT RTO Q Seq
    (sec) (ms) Cnt Num
    1 192.168.13.3 Fa1/0 13 00:00:11 32 200 0 13
    0 192.168.12.2 Fa1/1 11 00:00:13 40 240 0 12
    Please suggest.. thanks in advance.

  • avatar
    ReneMolenaar
    2012-02-25 01:57:14
    Quote:
    Can you please tell me how to validate hold- down timers after changing it.. as per Cisco it should be visible in sh ip eigrp nei command, but after changing my hold down this is output which i get, which is same as default settings..

    Did you check the neighbor of this router as well? Take a look and see if there's anything different after changing the timers.

  • avatar
    faheem.ahmad
    2012-02-25 05:16:11

    Dear Rene,
    It works.. got confused.. Thanks alot..

    Regs

  • avatar
    stemrikar
    2012-04-08 10:39:35

    Hi Rene,
    for Router Boston to have a holddown timers of 9 seconds for all neighbors.
    holddown timer should be configured on all neighbour.
    as in the final config it is configured on Boston, so neighbours will have holddown time of 9s for Boston.

    Regards
    Shoeb