From: Joe Soricelli (jsoricelli@xxxxxxxx)
Date: Thu Oct 14 1999 - 15:57:32 GMT-3
The maps helped out, Thanks.
I can tell you that unless the defaults have been altered, that Choice A
will give a better metric due to bandwidth speeds.
When you actually do the calculation based on the show int stats below, you
get 68352 for Choice A and 2178048 for Choice B. Not even close!!
-joe
------------------------------------------------------------------
Joseph M. Soricelli, CCIE #4803, CCNP, CCSI #20666
EMAIL: jsoricelli@ccci.com
Chesapeake Network Solutions
8110 Gatehouse Road, Suite 101E Phone: (703) 207-0757
Falls Church, VA 22042 Fax: (703) 207-0441
FYI - About Chesapeake: We are a Cisco Certified Training and
professional services partner. We offer most of the Cisco
training courses as well as training for Fore, NetScout, and
CheckPoint-1 Firewalls. We provide network consulting services,
including design, network health, management, firewall,
and problem solving. We now have 23 CCIEs on our staff
of instructor/consultants.
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-----Original Message-----
From: Jason Aarons <jaarons@hotmail.com>
To: jsoricelli@fridge.ccci.com <jsoricelli@fridge.ccci.com>;
ccielab@groupstudy.com <ccielab@groupstudy.com>
Date: Thursday, October 14, 1999 2:27 PM
Subject: Re: EIGRP route calculation
>Here is a map of the choices. Choice A has not been installed (yet) but
>neeed to know if it will create a better EIGRP metric than Choice B. Also,
>this is good stuff..since I included load with EIGRP into the picture..
>
>
>Choice A.
>Source---FE---Router1--DS3--Router2--FE---Router3---OC12---Router4---FE----
Destination
>
>Choice B.
>Source----FE---Router1----T1----Router4----FE----Desination
>
>
>After mapping it out, I added some details below and corrected some
errors -
>jason
>
>
>----Original Message Follows----
>From: "Joe Soricelli" <jsoricelli@ccci.com>
>To: "Jason Aarons" <jaarons@hotmail.com>
>Subject: Re: EIGRP route calculation
>Date: Thu, 14 Oct 1999 08:33:56 -0400
>
>Jason-
>
>A little more detail please. First, a map would be good. Second, are you
>trying to figure out why one route was choosen over another?
>
>-joe
>------------------------------------------------------------------
>
>-----Original Message-----
>From: Jason Aarons <jaarons@hotmail.com>
>To: ccielab@groupstudy.com <ccielab@groupstudy.com>
>Date: Wednesday, October 13, 1999 5:47 PM
>Subject: EIGRP route calculation
>
>
> >Problem:
> >
> >Using K1, K2, K3 (bandwidth, delay, load) determine whether the metric
via
> >Router1-Router2-Router3 is better Router1s direct T-1 (and given
> >load).
> >
> >
> >ROUTER1#show int serial5/0
> >Serial5/0 is up, line protocol is up
> > MTU 4470 bytes, BW 44210 Kbit, DLY 200 usec, rely 255/255, load 1/255
> >
> >ROUTER2#show int faste0/0
> >FastEthernet0/0 is up, line protocol is up
> > MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec, rely 255/255, load 1/255
> >
> >ROUTER3#show int pos5/0/0
> >POS5/0/0 is up, line protocol is up
> > MTU 4470 bytes, BW 155000 Kbit, DLY 100 usec, rely 255/255, load 3/255
> >
>Router4#show int faste5/1/0
>FastEthernet5/1/0 is up, line protocol is up
> MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec, rely 255/255, load 1/255
>
> >
> >
> >! Router1 a direct T-1 to destinateion with metric 2181634
> >router1#show ip route x.y.z.a
> >Routing entry for x.y.z.a/24
> > Known via "eigrp 260", distance 110, metric 2181634, type internal
> > Redistributing via eigrp 120
> > Last update from x.y.z.b on Serial3/2, 00:33:11 ago
> > Routing Descriptor Blocks:
> > * x.y.z.b, from x.y.z.b, 00:33:11 ago, via Serial3/2
> > Route metric is 2181634, traffic share count is 1
> > Total delay is 20200 microseconds, minimum bandwidth is 1544 Kbit
> > Reliability 255/255, minimum MTU 1500 bytes
> > Loading 7/255, Hops 2
> >
>
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