From PE router to CE router connected with serial E1 link. Now the customer is using 2 mbps bandwidth. I want to reduce the bandwidth. Can I use Bandwidth command in the PE interface?
The bandwidth command will not affect how much bandwidth there actually is. Changing the bandwidth under the interface will effect routing protocols ie. EIGRP/OSPF path calculation and QOS configuration.
If you want to actually restrict the amount of available bandwidth you need to look at either policing or shaping the traffic on the serial interface.
