From: Metin (metin.yildizli@gmail.com)
Date: Sat Oct 21 2006 - 04:38:07 ART
Ok. It's clear now.
Thank you. I think i missed that only fastethernet and FR link should
load balance.
Becuase I configured all the links to loadbalance..
Kemal YILDIRIM wrote:
> Lets clear the scenario for the others,
> R4 and R5 connected via ethernet, PPP link and Frame-relay. They both
> configured OSPF area2 for all related interfaces.
> The prior task is asking for load balancing between R4 and R5 over
> Frame-relay and ethernet connection.
> To satisfy this requirement you need to change the ospf metric, and the task
> is restricting you to use of 'ip ospf cost command'
> You have left with the bandwidth adjustment in hand. If you change the
> bandwith of frame-relay interfaces on R4 and R5, ppp link can't be used
> during normal working condition because of higher cost of ppp link. If both
> of the links (frame-relay and ethernet) goes down, than you can use the ppp
> link. Because the ppp link's bandwith is less than the other links.
>
> OSPF timers in this scenario has only effect on the convergence time, if you
> have lower hello and dead-intervals your total convergence time will be
> lower as well.
>
> HTH,
> Kemal
>
> -----Original Message-----
> From: Metin [mailto:metin.yildizli@gmail.com]
> Sent: Friday, October 20, 2006 5:55 PM
> To: Kemal YILDIRIM
> Cc: 'Metin'; 'Cisco certification'
> Subject: Re: Lab 4 Task 4.7
>
> Hi,
> It's OK for OSPF timers like that. But I mean that redundancy which task
> says.
> R4 and R5 be able to detect a fialure and PPP link should be the last link
> to use.
> If other two links gone then traffic should be sent over the PPP link.
> How does OSPF timers resolve it?
>
> Thanks...
>
> Kemal YILDIRIM wrote:
>
>> Hi Metin,
>> By only setting the OSPF hello-interval, the dead-interval adjusted
>> automatically to 4 times the hello-interval, in this scenario;
>> hello-interval is adjusted to 2 second, it gives us 8 seconds
>> dead-interval value, and this is lower than 10 seconds :-) And lastly
>> the task is not asking the total convergence time, or a best practice
>> solution HTH Kemal
>>
>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
>> Of Metin
>> Sent: Friday, October 20, 2006 11:31 AM
>> To: Cisco certification
>> Subject: Lab 4 Task 4.7
>>
>> Hi all,
>> I think the solution of the task 4.7 is wrong or anyone can explain
>> the solution?
>>
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