EIGRP route calculation

From: Jason Aarons (jaarons@xxxxxxxxxxx)
Date: Wed Oct 13 1999 - 18:43:22 GMT-3


   
Problem:

Using K1, K2, K3 (bandwidth, delay, load) determine whether the metric via
Router1-Router2-Router3 is better Router-Cloud-9's 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

! Router cloud nine has a direct T-1 to destinateion with metric 2181634
router-cloud-9#show ip route x.y.z.a
Routing entry for x.y.z.a/24
  Known via "eigrp 120", 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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