Cisco Switching Methods

In the last article, we discussed the Types of Cisco Switches for Your Campus Networks & Data Centers, the comparison between the Layer 2 and Layer 3 switches, Layer 3 (Multilayer) Switch Operation and Layer 2 Switch Operation. So in…
New Cisco CCNP Routing & Switching 2014

Cisco announced major revisions to the Cisco CCNP (Certified Network Professional) Routing and Switching certification at the end of July. All three courses: Implementing Cisco IP Routing (ROUTE), Implementing Cisco IP Switched Networks (SWITCH) and Troubleshooting and Maintaining Cisco IP Networks…
VSS on Cisco 4500/4500X Switches

The VSS–Cisco Virtual Switching System is a clustering technology that pools two Cisco Catalyst 4500-E Series Switches with Cisco Catalyst Supervisor Engine 7-E or 7-LE or two Catalyst 4500-X Series Switches into a single virtual switch. In a VSS, the…
VLAN vs. Subnet

“What is the difference between a subnet and a vlan? How does a subnet and vlan work differently from each other?” “While going through the CCNP switch book of CISCO, I encountered this statement “The switch port supports one VLAN,…
Show environment Command

To display temperature, voltage, fan, and power supply information, use the show environment command in user EXEC or privileged EXEC mode. The following outputs are from Cisco 7206VXR. To display all available syntax, use the show environment? (As shown in…
Show ip route

To display the current state of the routing table, use the show ip route command in user EXEC or privileged EXEC mode. The show ip route command is a powerful tool to use at this point in your search. You…