From: sabrina pittarel (sabri_esame@yahoo.com)
Date: Sat Sep 09 2006 - 18:06:16 ART
Hi all,
can somebody help me clarify what is the interface bandwith used for QoS calculations in various interface types?
* Ethernet interface:
R1 ------------- R2
fe e
R1 will auto negotiate a 10M speed with R2.
10Mbps will be used on R1 and R2 for QoS calculations. No need for explicit interface configuration.
* Serial P2P interface Clocked at 64000
R1 ------------- R2
clockrate 64000
How the configured clockrate will affect reference bandwidth for QoS calculation?
Should we configure "bandwidth 64" on R1 and R2 serial interfaces?
In my understanding the clockrate value determines how fast we can really transmit on the media, but I don't see QoS calculations use that value as reference number. Should we then configure the bandwidth command?
Similar question for routing protocols.
Should we alter default interface OSPF cost/eigrp interface bandwitdh in respect to the media clocking?
Sabrina
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