From: jaarons-hotmail (jaarons@xxxxxxxxxxx)
Date: Thu Oct 14 1999 - 21:44:33 GMT-3
Here were the results. Route A was indeed a much better metric (69854) vs
Route B (2181634). What I don't understand is why IPX RIP is following
Choice A. It should be using Ticks and there would be more ticks via Route
A, making Route B the perfered route with fewer Ticks. Can you explain why
?
Router1#show ip route 168.175.46.0
Routing entry for x.y.z.a/24
Known via "eigrp 220", distance 110, metric 69854, type internal
Redistributing via eigrp 120
Last update from x.y.z.a on Serial5/0, 00:00:43 ago
Routing Descriptor Blocks:
* x.y.z.a, from x.y.z.a, 00:00:43 ago, via Serial5/0
Route metric is 69854, traffic share count is 1
Total delay is 500 microseconds, minimum bandwidth is 45045 Kbit
Reliability 251/255, minimum MTU 1500 bytes
Loading 1/255, Hops 3
funds-wfrch-va3#show ipx route
----- Original Message -----
From: Joe Soricelli <jsoricelli@ccci.com>
To: <ccielab@groupstudy.com>
Sent: Thursday, October 14, 1999 2:57 PM
Subject: Re: EIGRP route calculation
> 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.
> -------------------------------------------------------------------
>
> -----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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