Configure To configure a Point-to-Point link, you will configure the serial interface just like you would an Ethernet interface. In addition, you need to use the no shutdown command because interfaces are down by default on a router. The other difference is that you need to have a clocking mechanism in place. Clocking takes place…

EtherChannel is a way to provide redundant links and not be affected by Spanning Tree Protocol (STP). By design, when you connect multiple links to switches, STP will shut down the excess links to prevent loops. There is a Cisco version and an IEEE version. Cisco’s is called Port Aggregation Protocol (PAgP), and the IEEE…