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HDLC vs. PPP
Feb 22, 2012 · 2 min read · CCNA Challenge-Handshake Authentication Protocol Cisco General HDLC ICND2 networking OSI model Password Authentication Protocol PPP router Routing ·HDLC and PPP are considered to be in layer 2 of the OSI model. There are some differences between which will be describe in this post, If you would like to learn more about at least the basic configuration of PPP including PAP and CHAP check out the post I wrote about year ago. (Basic PPP Configuration) HDLC was first …
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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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The Beginnings of Layer Two Redundancy
network-diagram In a perfect world we would never need redundancy on a network infrastructure, but as you know as well as I know we don't live in a perfect world. Hardware will eventually fail, bottlenecks will appear, and the speed of our network will become slower when we max the bandwidth on links. So having …
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