Re: EIGRP mystery

From: Ram Shummoogum (rshummoo@ca.ibm.com)
Date: Tue Apr 22 2003 - 11:56:15 GMT-3


The number 5120 is a very nice number as it is divisible by 256.
5120/256 = 20

Therefore, adjust your delay accordingly.
EX: if the delay from the show interface reads 100, you have to make it
300. This number is normally divided by 10 prior to be plugged into the
formula.

Conf t
int fa0/0
delay 30

now when you do a show inerface, the delay will show 300. So you have just
offset the delay by 200.
                                                                            
  (Embedded image moved to file: pic26306.gif)
  I just ran a quick test to make sure it works and it does.
                                                                            
  Cheers,
  RAM
                                                                            

"lg01" <lg01@myway.com>@groupstudy.com on 04/22/2003 08:34:25 AM

Please respond to "lg01" <lg01@myway.com>

Sent by: nobody@groupstudy.com

To: ccielab@groupstudy.com
cc:
Subject: EIGRP mystery

Hi group,

  R4
/ |
R5 | (shared eth between r4 & r8)
\ |
  R8

This is a hub & spoke topology, where r5 is hub, while r4 & r8 are spokes.

Now on r5, it sees the r4 / r8 ethernet's as:-

D 172.168.48.0/24 [109/2195456] via 172.168.200.8, 00:00:09, Serial0.2

                  [109/2195456] via 172.168.200.4, 00:00:09, Serial0.2

Now, if I want to increase the EIGRP metric of both routes to say, 2200576,
I know that I can do this by using an "incoming" offset-list on r5

offset-list <x> in 5120 , where 2200576 - 2195456 = 5120

However, if I want to accomplish this by modifying the EIGRP Delay metric
on both r4 r8, is there any formula or calculations that I could done so I
know what value to put in for "Delay" metric in order to get 2200576?

Regards,
H.



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