آموزش CCNA به فارسی (بخش پانزدهم)
موضوع :Cisco Discovery Protocol CDP
CDPپروتل اختصاصی سیسکو میباشد و فقط مربوط به تجهیزات سیسکو هستش.
CDPدر لایه 2 مدل OSIکار می کنه و کار اون تبادل اطلاعات بین دیوایس های سیسکو هستش ،اطلاعاتی مانند:
- · IP address(es)
- · physical link connectivity
- · port identifiers
- · IOS version of neighboring devices
- · evice capabilities
- · native VLAN
- · duplex and VTP management domain.
در این درس ما کانقیگی انجام نمیدیم و کار ما اشنایی بادستورات زیر هست که همه مربوط بهCDPهستش و هر کدام کار
خواصی رو انجام میدن.
|
Description |
Command |
|---|---|
|
Shows CDP hello timer, holdtime and current CDP version running being advertised. |
show CDP |
|
Shows directly connect Cisco device information including hostname, local and remote port(s), Device capabilities and platform. |
show CDP neighbors |
|
Shows detailed information about directly connected Cisco devices such as IOS Version, VTP management domain, native VLAN and duplex. |
show CDP neighbors detail |
|
Clears the devices CDP table on the local device and relearns all directly connected Cisco devices by inspecting received CDP frames on local interfaces. |
clear CDP table |
|
Manually sets the CDP advertisement timer (hello timer) to the specified time in seconds. This command is configured in global configuration mode. |
CDP timer <10-45> |
|
Manually sets the CDP holdtime (dead timer) timer to the specified time in seconds. This command is configured in global configuration mode. |
CDP holdtime <10-45> |
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