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Basic Understanding of EtherChannel
Jan 4, 2012 · 3 min read · CCNA Cisco cisco EtherChannel General IP address Link aggregation MAC address networking Source port technology tutorial ·network cables Let's start the New Year with understanding EtherChannel which is having more than one link connected to a server, switch, or router and treating it like one logical link. This is a fault-tolerant technique that is becoming a common setup in highly available, core devices. Cisco has come up with their …
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Store-and-Forward vs. Cut-Through Switching
Oct 5, 2011 · 3 min read · CCNA Cisco Cisco Discovery Protocol Cut-through switching Fragment free General ICND2 MAC address Network switch networking Spanning Tree Protocol Store and forward Switch ·Network-Cable-Color Switching in the network can happen in two ways, these layer-two devices send frames but they can forward them in different ways. These different modes have positive and negative effects which depend on the type of network environment that runs through them! Store-and-forward is just like the name …
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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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Understanding VTP
Some people hate it, some people love it. It's the Cisco proprietary VLAN Trunking Protocol (VTP) which in short means that Cisco switches can exchange VLAN configuration, instead of manually configuring each switch with the same VLANs. I also suggest if you don't know what a VLAN is check out the post Creating VLANs …
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