Show IP Route: traffic share count?

Answered Question
Jan 16th, 2010

When you do a show ip route, what does the "traffice share count 1" mean?

sa26#sh ip route 174.0.0.1
Routing entry for 174.0.0.1/32
  Known via "ospf 2020", distance 110, metric 12, type intra area
  Last update from 10.0.3.250 on FastEthernet0/0, 00:38:02 ago
  Routing Descriptor Blocks:
  * 10.0.3.250, from 174.0.0.1, 00:38:02 ago, via FastEthernet0/0
      Route metric is 12, traffic share count is 1

I have this problem too.
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Correct Answer by Ganesh Hariharan about 6 years 10 months ago

Hi David,

Traffic share count is used to identify the outgoing packets in various links.OSPF doesn't allow you to do a unequal cost load balancing .With EIGRP , this can be achieved by using the "variance" command (under "router eigrp" ).The " traffic share count " value is an indicaion of how many packets

would be transmitted over the various paths ( equal cost ( in which case it is 1:1 ) / unequal cost ).


With the use of the " variance " command in EIGRP , the router can bemade to transmit traffic in ratio proportion to the metric of the
unequal cost routes.

Hope that clears out your query!!

Regards
Ganesh.H
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Correct Answer
Ganesh Hariharan Sat, 01/16/2010 - 23:25

Hi David,

Traffic share count is used to identify the outgoing packets in various links.OSPF doesn't allow you to do a unequal cost load balancing .With EIGRP , this can be achieved by using the "variance" command (under "router eigrp" ).The " traffic share count " value is an indicaion of how many packets

would be transmitted over the various paths ( equal cost ( in which case it is 1:1 ) / unequal cost ).


With the use of the " variance " command in EIGRP , the router can bemade to transmit traffic in ratio proportion to the metric of the
unequal cost routes.

Hope that clears out your query!!

Regards
Ganesh.H

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