By Mike Flannagan
AVVID (Architecture for Voice, Video, and built-in Data), the newest improvement from Cisco platforms is redefining the way in which companies speak. AVVID permits companies to transmit voice, info, and video over a unmarried built-in structure, while long ago 3 separate platforms have been required.
Administering Cisco AVVID purposes is a certified reference detailing the options, strategies, and strategies for using Cisco software program to configure and preserve Cisco networks and infrastructures. It comprises thorough discussions of severe subject matters similar to, Cisco CallManager model 3.0, Cisco Unified Open community trade 4.1E (uOne), WebLine and GeoTel product software program, Cisco QoS coverage Manger 1.1 in addition to many different QoS beneficial properties, and Cisco IOS network-wide software.
* permits IP specialist to get forward during this transforming into field
* call for for engineers and directors who comprehend the specifics of the Cisco AVVID is becoming fast - this ebook has the answers
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AVVID (Architecture for Voice, Video, and built-in Data), the newest improvement from Cisco platforms is redefining the best way companies converse. AVVID permits companies to transmit voice, information, and video over a unmarried built-in structure, while long ago 3 separate platforms have been required.
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Extra info for Administering Cisco QOS for IP Networks
Like RIP, DVMRP uses hop count to make its decisions, which makes this protocol not scalable. MOSPF is based on the Open Shortest Path First (OSPF) protocol and thus works very well in environments that have already applied OSPF as their routing protocol. Core-Based Tree Protocol (CBT) currently is the most popular sparse mode multicasting protocol. CBT is an open standard that is governed by RFC 2201. com 9 110_QoS_01 10 2/13/01 6:34 PM Page 10 Chapter 1 • Cisco IOS Feature Review As a sparse mode protocol, CBT builds a single distribution tree, which uses very little overhead on the network.
A multicast is thus more efficient than a broadcast, because a broadcast requires every computer in the broadcast domain not only to see the packets but also to process them. Multicasts are similar to broadcasts in several ways. Like broadcasts, most multicasts provide a connectionless transmission, meaning that the multicast server makes its best effort for you to receive the packet, but it does not confirm receipt. Neither broadcasts nor multicasts require acknowledgements from the destination hosts.
Although IGRP implements a stronger metric then RIPv1, it is still a distance vector protocol, which may be substandard for larger networks. To configure IGRP, use the following syntax at the global configuration prompt on the router that you want to configure. Router1(config)#router igrp autonomous-system-number Here is an example. Router1(config)#router igrp 1 This command enables IGRP on the router and advances you to the protocol configuration prompt, which should look like this. To enter the participating networks, type them in as you would in RIPv1 using the following syntax.