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Bandwidth Statements on Serial Interfaces

What is the Cisco best practice for adding or not adding a bandwidth statement to the serial interface on a router

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Re: Bandwidth Statements on Serial Interfaces

Don

The bandwidth of the interface specified using the interface bandwidth command is used for a couple of things: routing protocols of EIGRP and OSPF use the bandwidth in calculating their metric, calculation of link busy (reported in the show interface command and possibly in other network monitoring/management software) uses bandwidth, EIGRP will throttle its updates to use no more than 50% of bandwidth by default. So if you have a serial interface whose actual bandwidth is different from the default bandwidth value for the interface it is probably best to configure a more accurate value of the bandwidth.

HTH

Rick

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