Verifying EIGRP Weight Metric

July 24, 2008 at 5:14 pm | Posted in EIGRP, Routing | Leave a comment

By default K1 = K3 = 1. All others weight metric are 0. This means, only bandwidth and delays are used in the EIGRP metric equation.

The online IOS help does not provide much information as to what metric a certain K refers to (e.g. K1 refers to bandwidth whereas K3 refers to delay). The Doc CD command reference is the friend in the lab! Also, we can use the show ip protocol command to verify the weight setting.

Rack1R1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Rack1R1(config)#router ei 100
Rack1R1(config-router)#metric weight ?
<0-8>  Type Of Service (Only TOS 0 supported)

Rack1R1(config-router)#metric weight 0 ?
<0-255>  K1

Rack1R1(config-router)#metric weight 0

Rack1R1#sh ip protocols
Routing Protocol is “eigrp 100”
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP metric weight K1=0, K2=0, K3=1, K4=0, K5=0
EIGRP maximum hopcount 100
EIGRP maximum metric variance 1
Redistributing: eigrp 100
EIGRP NSF-aware route hold timer is 240s
Automatic network summarization is not in effect
Maximum path: 4
Routing for Networks:
Routing Information Sources:
Gateway         Distance      Last Update
(this router)         90      00:10:59           90      00:05:07           90      00:05:07            90      00:05:07             90      00:05:07
Distance: internal 90 external 170


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