How to configure Layer3 EtherChannels

Step by Step Configuration Guide Step 1 Configure the physical interfaces as follows, in interface configuration mode: A. Add the channel-group number mode on command to add it to the…

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Configuring Layer2 Dynamic EtherChannels on Cisco Switches

Cisco switches support two different protocols that allow the switches to negotiate whether a particular link becomes part of an EtherChannel or not. After configuring the channel-group, the switch can…

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Inter-Vlan Routing with a Layer 3 Switch

This article will discuss routing between VLANs using a layer 3 switch. There are two ways general ways to route in between VLANs, one is a ROAS (router on a…

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Learning about Cisco Port Security

Port security is just another way network engineers can lock down their network by using the variety of switchport security settings offered on Cisco switching equipment. This article will discuss…

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How to Upgrade the License on a Cisco ASA

The different licensing levels on a Cisco Adaptive Security Appliance allow organizations to buy only what they need. Cisco ASA devices will typically have limits on hosts and this can…

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Setting Passwords on Cisco Devices

There are (5) passwords used to secure a Cisco device. The console, auxiliary, telnet, password, secret password. The Console, Auxiliary and Telnet passwords are communications level passwords. They are used…

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