lie to EIGRP

Answered Question

HI EXPERT's!

if we have a link(300M) runing on interface 1 GIG;can we lie to the Interface and declare the Bandwidth as 1048576 as well as lie to EIGRP also?if so;it will work without any problems?

10xs

I have this problem too.
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Correct Answer by mheusinger about 9 years 7 months ago

Wether this works "without any problems" depends on your requirements. The link will get a metric smaller than the actual bandwidth. Any 2 Mbit line would be used instead because of the better metric.

So it depends on your requirements and topology.

Also be aware, that "bandwidth" is also used in QoS policies. Therefore I would recommend to use the real 300 Mbps as interface bandwidth and modify delay (the second EIGRP metric value in use per default) to make the route less preferable.

Configuration example:

R1(config)#interface FastEthernet0/0

R1(config-if)#delay ?

<1-16777215> Throughput delay (tens of microseconds)

Hope this helps!

Regards, Martin

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Overall Rating: 4.5 (2 ratings)
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a.hajhamad Thu, 02/22/2007 - 01:34

Yes, i think this okay.

use the bandwidth command in the interface mode.

Regards

Abd Alqader

Correct Answer
mheusinger Thu, 02/22/2007 - 02:28

Wether this works "without any problems" depends on your requirements. The link will get a metric smaller than the actual bandwidth. Any 2 Mbit line would be used instead because of the better metric.

So it depends on your requirements and topology.

Also be aware, that "bandwidth" is also used in QoS policies. Therefore I would recommend to use the real 300 Mbps as interface bandwidth and modify delay (the second EIGRP metric value in use per default) to make the route less preferable.

Configuration example:

R1(config)#interface FastEthernet0/0

R1(config-if)#delay ?

<1-16777215> Throughput delay (tens of microseconds)

Hope this helps!

Regards, Martin

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