All Cisco-Network Study Notes

IT Certification CCIE,CCNP,CCIP,CCNA,CCSP,Cisco Network Optimization and Security Tips

Virtual LANs (VLAN)

›
VLANs provide the means to logically group several end stations with common sets of requirements. VLANs are independent of physical location...

Frame Transmission Modes

›
Switches typically are Layer 2 devices (some switches now perform Layer 3 and higher functions). According to the OSI model, the data unit p...

Address Learning

›
A switch must learn the addresses of the devices attached to it. First it inspects the source address of all the traffic sent through it. Th...

Forwarding and Filtering

›
From a network efficiency standpoint, it is easy to see that it is much better for the network when the switch knows all the addresses on ev...

Broadcast and Collision Domains

›
From time to time, a device on the network will want to communicate with all other “local” devices at the same time. Typically, this occurs ...
›
Home
View web version
Powered by Blogger.