CDP v1 includes information for:
Device-ID (Hostname of the device or hardware serial number in ASCII)
Address (The Layer 3 address of the interface that has sent the update)
Port-ID (The port on which the CDP update has been sent)
Capabilities (Describes the functional capabilities of the device)
Version (A character string containing the software version [same as in show version])
Platform (Hardware platform)
CDPv2 offers further information options. Also note that when a device runs CDPv1 it will drop v2 frames.
For more information see provided links.
CDP-(Cisco Discovery Protocol)
Yes
This is a command line use in Cisco devices to show neighbors which is using Cisco Discovery Protocol (CDP).
CDP is a Cisco proprietary protocol; it only works between Cisco devices. If CDP is enabled on a Cisco network device, it will regularly send frames with information about itself out its interfaces.CDP is a Cisco proprietary protocol; it only works between Cisco devices. If CDP is enabled on a Cisco network device, it will regularly send frames with information about itself out its interfaces.CDP is a Cisco proprietary protocol; it only works between Cisco devices. If CDP is enabled on a Cisco network device, it will regularly send frames with information about itself out its interfaces.CDP is a Cisco proprietary protocol; it only works between Cisco devices. If CDP is enabled on a Cisco network device, it will regularly send frames with information about itself out its interfaces.
show version
CDP Cisco Discovery protocol identifies the IP addresss of neighbor router in a corporate network.
Enhanced Interior Gateway Routing Protocol (EIGRP) was once as Cisco Propitiatory routing protocol for Cisco routers. However many routers that are not Cisco now support the use of EIGRP.
The ISL protocol can be used in Cisco routers when configuring the subinterfaces.
EIGRP
CDP
IP SLA stands for internet protocol service level agreement. It allows you to collect information about network performance in real time. It is a feature of the Cisco Internetwork Operating System. You can learn more about the Cisco IP SLA at the Cisco website.
this is a cisco propreitory protocol is not available for rfc