Processes of Link-State Protocols

The link-state protocols consist of four processes: Receive process   The received information is processed, and then is given to the update process. The receive process does not make decisions

QoS Requirements of Video

Two main types of video traffic exist: Interactive-Video (videoconferencing) and Streaming-Video (both unicast and multicast). Each type of video is examined separately. Interactive-Video When provisioning for Interactive-Video (video conferencing) traffic, the following guidelines are recomme...


This pair of router configurations shows how to define a tunnel connecting two serial ports supporting Bisync (BSC or Binary Synchronous Communications) devices: BSTUN-A#configure terminal Enter configuration commands, one per line.  End with CNTL/Z. BSTUN-A(config)#interface Loopback0 BS...

SVI Port Configuration

On a multilayer switch, you also can enable Layer 3 functionality for an entire VLAN on the switch. This allows a network address to be assigned to a logical interface

Preventing Loops with Spanning Tree Protocol

 Bridging loops form because parallel switches (or bridges) are unaware of each other. STP was developed to overcome the possibility of bridging loops so that redundant switches and switch paths could be used for their benefits. Basically, the protocol enables switches to become aware of eac...

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