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eigrp path cost problem

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3wsparky

IS-IT--Management
May 25, 2003
121
GB
routing cost path issues ,

we had a link between our sites up graded , we now see traffic routing to the other site then back to our hq before it goes to the gateway , i have found the following ................



D*EX 0.0.0.0/0 [170/2585856] via 172.30.180.202, 2w2d, GigabitEthernet5/2
[170/2585856] via 172.24.255.2, 2w2d, GigabitEthernet1/48

there equal cost which would be causing my problem i guess ?

if i add the command offset-list as shown below this will weight the upgraded line causing traffic to go straight to the gateway and not use the upgraded circuit as its less favourable am i correct in my thinking

also i have added 500 to the cost is there a rule of how to work out what cost you should add ?


should become

D*EX 0.0.0.0/0 [170/2585856] via 172.30.180.202, 2w2d, GigabitEthernet5/2
[170/2586356] via 172.24.255.2, 2w2d, GigabitEthernet1/48

router eigrp 1
offset-list 0 in 500 GigabitEthernet1/48
network 172.24.0.0
network 172.30.0.0
no auto-summary

making the 1/48 heavier than the 5/2 is this correct
 
Or floating static routes...actually, it looks like the first route was learned externally from a different routing protocol, but that does not really matter.

Burt
 
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