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Articles:
UDP Protocol - Header
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Ethernet Protocol, CSMA/CD, Collisions
The Ethernet II Frame Format
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The ICMP - Redirect Message is always sent from a gateway to the host and the example below will illustrate when this is used.
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VLAN Security - Making the Most of VLANs
It's easy to see why virtual LANs have become extremely popular on networks of all sizes. In practical terms, multiple VLANs are pretty much the same as h…
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VTP Pruning
VTP (VLAN Trunking Protocol) pruning is a feature that is used in Cisco switches to reduce unnecessary traffic in VLAN (Virtual Local Area Network) trunks…
VLAN Networks
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This article explains how OSPF uses Link State Advertisement (LSA) to exchange information about the network topology between routers. When a router recei…
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