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Cisco Discovery Protocol (CDP) is a proprietary data link layer protocol developed by Cisco Systems in 1994 [1] by Keith McCloghrie and Dino Farinacci. It is used to share information about other directly connected Cisco equipment, such as the operating system version and IP address .
Those protocols are used to inform neighboring devices about each other and to provide (data link layer) parameters to network a new device. ^ Device Discovery Protocols in LLDP-MED and Cisco Discovery Protocol , white paper by Cisco Systems, 2006
CDP is enabled by default on all Cisco routers, switches and servers. The protocol can be disabled across a network; however, if it is disabled on an interface and the encapsulation is changed, it will be re-enabled on that interface. [5] [6] The protocol is most often used to aid network administrators by finding and discovering devices easier ...
On-Demand Routing ("ODR") is an enhancement to Cisco Discovery Protocol (CDP), a protocol used to discover other Cisco devices on either broadcast or non-broadcast media. With the help of CDP, it is possible to find the device type, the IP address, the Cisco IOS version running on the neighbor Cisco device, the capabilities of the neighbor device, and so on.
This article lists protocols, categorized by the nearest layer in the Open Systems Interconnection model.This list is not exclusive to only the OSI protocol family.Many of these protocols are originally based on the Internet Protocol Suite (TCP/IP) and other models and they often do not fit neatly into OSI layers.
The Link Layer Discovery Protocol (LLDP) is a vendor-neutral link layer protocol used by network devices for advertising their identity, capabilities, and neighbors on a local area network based on IEEE 802 technology, principally wired Ethernet. [1]
Southampton was denied a priceless victory by a controversial VAR decision and ended up drawing with host Brighton 1-1 in the English Premier League on Friday. Kaoru Mitoma spectacularly headed ...
Netdisco utilizes SNMP to fetch ARP tables from routers and MAC tables from layer 2 switches. If Cisco Discovery Protocol, Link Layer Discovery Protocol, Foundry Discovery Protocol or SynOptics Network Management Protocol is available, discovery of the network topology is mostly automatic.