Download e-book for iPad: Administering Cisco QOS for IP Networks by Mike Flannagan

By Mike Flannagan

ISBN-10: 1928994210

ISBN-13: 9781928994213

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, information, and video over a unmarried built-in structure, while long ago 3 separate structures have been required.

Administering Cisco AVVID functions is a qualified reference detailing the options, strategies, and strategies for using Cisco software program to configure and keep Cisco networks and infrastructures. It comprises thorough discussions of serious subject matters resembling, 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 good points, and Cisco IOS network-wide software.

* permits IP expert to get forward during this starting to be field
* call for for engineers and directors who comprehend the specifics of the Cisco AVVID is becoming speedy - this booklet has the answers

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We would be wasting IP addresses if we could not use a /32 mask. Standard Access Control Lists (ACLs) Network administrators have always faced the dilemma of allowing appropriate access while at the same time denying unwanted traffic. Access Control Lists (ACLs) enable administrators to shape and manage network traffic, prioritize queuing groups, route and service filtering, as well as heighten network security. All of these issues are critical when designing a network or administering an existing network.

00000000 To configure a standard ACL, you would use the following syntax. Router1(config)#access-list access-list-number permit source [sourcewildcard] Filtering Traffic Traffic filtering is one of the reasons an administrator would implement Access Control Lists. For example, if there is a host on a specific network that has no need to traverse your network but is monopolizing your bandwidth, you can block this traffic by applying Access Control Lists. Another example of using traffic filtering would be a situation where you wanted to allow traffic from Network A to go through serial interface 0 but not allow that traffic out of serial interface 1.

Com 110_QoS_01 2/13/01 6:35 PM Page 33 Cisco IOS Feature Review • Chapter 1 To apply this control to a specific interface, you would go into the related interface configuration mode and use the access-group command. For example, to apply the above example to all inbound packets on Serial interface 1, you would use the following set of commands. The extra option of logging is enabled to make it easier to track which users are trying to complete this action. 1 log Router1(config)# #access-list 110 permit ip any any Router1(config)#interface serial 1 Router1(config-if)#ip access-group 110 NOTE The “out” keyword is not required, since that is the default it is included here for clarity.

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Administering Cisco QOS for IP Networks by Mike Flannagan


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