From: Richard Chung (richung@cisco.com)
Date: Thu Nov 21 2002 - 12:02:38 GMT-3
Dotun,
Thanks for the reply.
What I don't understand is why this question wants to get cost=50? I do not
see any requirements for that.
At 02:31 AM 11/21/2002, Dotun Oni wrote:
>Richard,
>
>for 2-L:
>
>interface s1
>bandwidth 2000 ------------- OSPF will use a cost of 50 as follows:
>
>Remember that you need to convert 2000kpbs to bps in calculating cost.
>
>i.e.
>
>cost = 100,000,000/BW(in bps) = 100,000,000/(2000 x 1000) = 50
>
>the reverse goes for 2-P
>
>
>interface s0
>ip ospf cost 50 ----------reflects cost for a bandwidth of 2000kbps
>
>HTH
>
>
>D
>
>
>>From: Richard Chung <richung@cisco.com>
>>Reply-To: Richard Chung <richung@cisco.com>
>>To: ccielab@groupstudy.com
>>Subject: Bootcamp lab2; OSPF cost
>>Date: Wed, 20 Nov 2002 22:59:47 -0500
>>
>>Hi, all,
>>
>>Can somebody help me to understand the config for 2-L? - Configure R6 so
>>that S1 interface speed is correctly reflected in the OSPF metrics
>>without using the "ip ospf cost xxx" command.
>>
>>Another one. 2-P: Config R8 using the "ip ospf cost xxx" such that the
>>speed of the link for interface S0 is correctly reflected in the OSPF metrics.
>>
>>I understand OSPF metric = 100,000,000/BW. But why it wants to get cost=50?
>>
>>Thanks.
>
>
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