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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]
The link layer includes the protocols that define communication between local (on-link) network nodes which fulfill the purpose of maintaining link states between the local nodes, such as the local network topology, and that usually use protocols that are based on the framing of packets specific to the link types.
Link Layer Discovery Protocol (additional) 01-80-C2-00-00-08: SNAP (length) Spanning Tree Protocol (for provider bridges) IEEE 802.1ad: 01-80-C2-00-00-0D: 0x88F5 Multiple VLAN Registration Protocol (for provider bridges) IEEE 802.1ad: 01-80-C2-00-00-0E: Local LAN Link, never crosses another device 0x88CC Link Layer Discovery Protocol (primary ...
EtherType is a two-octet field in an Ethernet frame.It is used to indicate which protocol is encapsulated in the payload of the frame and is used at the receiving end by the data link layer to determine how the payload is processed.
A solicited-node multicast address is an IPv6 multicast address used by the Neighbor Discovery Protocol to determine the link layer address associated with a given IPv6 address, which is also used to check if an address is already being used by the local-link or not, through a process called DAD (Duplicate Address Detection). The solicited-node ...
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.
Download QR code; Print/export Download as PDF; Printable version; ... Link Layer Discovery Protocol; Link layer security; Link Layer Topology Discovery; LocalTalk; M.
This layer is the protocol layer that transfers data between nodes on a network segment across the physical layer. [2] The data link layer provides the functional and procedural means to transfer data between network entities and may also provide the means to detect and possibly correct errors that can occur in the physical layer.