-
How to Configure SSH on Dell Power-Connect
Oct 26, 2011 · 4 min read · Command-line interface Data Link Layer Dell General IP address networking Powerconnect Secure Shell Security Software SSH technology tutorial Tutorials ·keys Although not dealing with Cisco directly Dell switches are around in network closets and with my limited experience with them I thought this would be a perfect blog post to show the differences between Dell and Cisco. I like to think of Dell CLI like a dumb downed version of the Cisco CLI so I had some time to …
Read More -
The Middle of Layer Two Redundancy
Sep 7, 2011 · 3 min read · Broadcast radiation CCNA CCNA Security Cisco cisco Cisco IOS Data Link Layer Ethernet frame General ICND2 IEEE IEEE 802.1D Institute of Electrical and Electronics Engineers Local Area Network MAC address Network Layer networking OSI model Redundancy Redundancy (engineering) security Software software Spanning Tree Protocol STP technology Time to live ·In the month of August I talked about the "beginnings" of layer two redundancy mainly looking at the basic foundations and fundamentals of having layer two redundancy. Let's continue are discussion about redundancy in the layer two environment. To review what STP does (Spanning Tree Protocol) it works at …
Read More -
Network-Cables Weeks ago and maybe months :), I talked about distance vector protocols and with that you probably got the feeling that when using a distance vector protocol it does not give a full network graphical representation of the entire network. Only the directly connected routes can't remember? Check out this …
Read More -
The Codes of ICMP
In today's post I wanted to talk about the widely used Ping command. Which is one of the best methods (I think) to begin network troubleshooting. When part of the network goes down it is sometimes hard to figure out why? When you issue the ping command or the extended ping command in a Cisco router several ICMP codes …
Read More -
Cisco Discovery Protocol
In today's post let's talk about CDP the Cisco Discovery Protocol. This protocol helps us in two ways, it first helps us verify that a connection between router or switch is set up correctly at least up to layer two in the OSI model. This also helps us discover Cisco devices that are in are network and which interfaces …
Read More