Category: Cisco Certification

Cisco Switching Methods

Posted on December 8, 2015 by | 0 Comments
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…
Read more »
New Cisco CCNP Routing & Switching 2014

Posted on September 11, 2014 by | 0 Comments
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…
Read more »
VSS on Cisco 4500/4500X Switches

Posted on August 29, 2014 by | 0 Comments
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…
Read more »
VLAN vs. Subnet

Posted on March 28, 2014 by | 0 Comments
“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,…
Read more »
Show environment Command

Posted on December 24, 2013 by | 0 Comments
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…
Read more »
Show ip route

Posted on December 18, 2013 by | 0 Comments
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…
Read more »
Show processes memory

Posted on December 13, 2013 by | 0 Comments
The show memory exec command is often used to check the amount of a router’s free memory. In troubleshooting cases where router performance is the focus, this is a major command used to see the statistics about the router’s memory. To show…
Read more »
Configure logging in Cisco IOS

Posted on December 10, 2013 by | 0 Comments
Knowing how to properly use logging is a necessary skill for any network administrator, and the Cisco IOS offers many options for logging. Logging can use for fault notification, network forensics, and security auditing. Cisco routers log messages can handle…
Read more »
Show module command

Posted on December 6, 2013 by | 0 Comments
Show modules: To display the module status and information, use the show module command in user EXEC or privileged EXEC mode. This example shows how to display information for all modules on a Catalyst 6500 series switch that is configured…
Read more »