CCNA英文版06.ppt

© 2002, Cisco Systems, Inc. All rights reserved.
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Managing work Environment
Module 2
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Objectives
pleting this module, you will be able to:
Use mand-line interface to accurately work operational status work performance
Manage operating system image files to maintain an accessible operating system file and according to best practices, given work topology
Use Cisco mands to manage device configuration files to reduce device downtime and according to best practices
Execute an add, move, or change so that work functions in accordance with the new requirement, given a work requirement
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© 2002, Cisco Systems, Inc. All rights reserved.
4
Discovering Neighbors on work
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Objectives
pleting this lesson, you will be able to:
Determine the host names and addresses of neighboring Cisco devices using CDP, given operational access layer switches and routers
Use information gathered using CDP to create work map of the environment, given operational access layer switches and routers
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Cisco Discovery Protocol
CDP is a proprietary utility that gives you a summary of directly connected switches, routers, and other Cisco devices.
CDP discovers neighboring devices regardless of which protocol suite they are running.
Physical media must support the work Access Protocol (SNAP) encapsulation.
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Discovering Neighbors with CDP
CDP runs on routers with Cisco IOS® software Release or later and on Cisco switches and hubs.
Summary information includes:
Device identifiers
Address list
Port identifier
Capabilities list
Platform
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Using CDP
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Using the show cdp mand
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Using the show cdp mand
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