here is your question sahin
Hi Jitendera, If i m not wrong, then in EIGRP, Metric weight
is set to K1(Bandwidth)=1, K2(Delay)=0, K3(Reliability)=1,
K4(Load)=0, K5(MTU)=0. This is default setting for EIGRP.
I knew about it from ICND 2 cisco press book.
Three more questions -
a) If we change the K value (I mean metric weight)on a
router what will happen???
b) When redistribution is necessary in EIGRP. Is there any
condition for that???
c) What is reference bandwidth for metric calculation in
EIGRP. As we know, in OSPF, on a CISCO router reference
bandwidth is 10Mbps.
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Answer / jitendera kumar sinha
hi sahin.now i am trying to giver your
all three question but one thing is
necessary to know that what is default.
default is that which can be configurable.
now in the eigrp determination of path
done by cost. that is cost==10^8/bandwidth
now the path which have best cost is
selected as best path that is the path have
lower cost selected as best path.
one point is noticeable that eigrp use only
bandwidth and delay to path calculation .
mtu is never used for path calculation but
it is a important parameter for eigrp
related command. how to configure bandwidth
of eigrp Set the bandwidth on your
interfaces using the bandwidth
command
Router (config-if)# bandwidth XX
(if you want bandwidth 5600 simply write 56 not 5600)
this is the command by which you can configure your bandwidth now back to your first question
. 1 now you are going to change the metric
value that is "k" the what happen here is the
answer k=ad value/bandwidth(Wright)for eigrp
ok ad value is constant(let) now
you can change only bandwidth value now as
we discus earlier that path determination
is based on bandwidth so as you increase
the bandwidth cost decrees then it will be
selected as best path.
and if you decrease then cost increases
then it kept in to routing table.
Now your second question’i have written
earlier that to reduce routing overload
we need redistribution
in another way we can say that in the
large network we need redistribution.
Now yours 3rd questions
Frankly speaking I don’t know
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Answer / mr.shahin07
Honestly speaking Jitendera, i knw all those thing u tld.
Don't mind plzzz...!!! I didn't get the things wat i m
looking for. Still confusion is here...!!! Don't mind.. u
tried ur best.
If i got to knw from any source, i'll let u knw surely.
Many many thanx for help. its really revealed some of my
concept regarding that. Hope we'll keep posting regularly.
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Answer / jietendera kumar sinha
hi sahin
i was expecting that u know all that thing which i described.
ok tell me what is real problem i will try my best to explain yours confusion.is the three are yours real question then one thing remember that only badwidth and delay is used in path determination one term i wlll refer to say that composite matric.ok changing the value of k effect changing the value of matric.but it can be done by two way as i described in my first
section of answer.if you have still some confusion then mail me on jitenderasinha.it@gmail.com
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CCNA 
