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The Three Tiers
Jan 21, 2012 · 3 min read · CCENT CCNA Cisco cisco Cisco Systems collapsed core Data Communications distribution layer General hierarchical network ICND1 ICND2 Network Network Layer networking Security security technology Virtual LAN ·network_switch Working towards the CCNA Cisco talks about a hierarchical network there are three layers to this design. Access Layer, distribution layer and the core layer. Each of them have their own set of functions and is also considered to be a best practice when the network continues to grow and for redundancy …
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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 …
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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 …
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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 …
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Cisco IOS Commands
This is the master list of some of the many Cisco IOS Commands that go with the CCNA track. This list also talks about what each command does in brief detail. You may also find that some commands may or may not be used for a CCNA level but offer some important information. If you don't know what a command does or …
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