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Information gathered with LLDP can be stored in the device management information base (MIB) and queried with the Simple Network Management Protocol (SNMP) as specified in RFC 2922. The topology of an LLDP-enabled network can be discovered by crawling the hosts and querying this database. Information that may be retrieved include:
Link Layer Topology Discovery in Windows Vista consists of two components. The LLTD Mapper I/O component is the master module which controls the discovery process and generates the Network Map. Appropriate permissions for this may be configured with Group Policy settings. It can be allowed or disallowed for domains, and private and public networks.
LLDP-MED Link Layer Discovery Protocol - Media Endpoint Discovery; ... the name can also be used to describe the token passing ring logical topology that it popularized.
While STP can take 30 to 50 seconds to respond to a topology change, RSTP is typically able to respond to changes within 3 × hello times (default: 3 × 2 seconds) or within a few milliseconds of a physical link failure. The hello time is an important and configurable time interval that is used by RSTP for several purposes; its default value is ...
IEEE 802.3 is a working group and a collection of standards defining the physical layer and data link layer's media access control (MAC) of wired Ethernet.The standards are produced by the working group of the Institute of Electrical and Electronics Engineers (IEEE).
To detect a non-1905.1 bridge connected between two 1905.1 devices, the abstraction layer also generates a LLDP message with the nearest bridge address (01:80:c2:00:00:0e) that is not propagated by 802.1D bridges. Topology information collected by a 1905.1 device are stored in a data model accessible remotely via TR-069 protocol.
Profinet implements the interfacing to peripherals. [1] [2] It defines the communication with field connected peripheral devices.Its basis is a cascading real-time concept. Profinet defines the entire data exchange between controllers (called "IO-Controllers") and the devices (called "IO-Devices"), as well as parameter setting and diagnosi
Time-Sensitive Networking (TSN) is a set of standards under development by the Time-Sensitive Networking task group of the IEEE 802.1 working group. [1] The TSN task group was formed in November 2012 by renaming the existing Audio Video Bridging Task Group [2] and continuing its work.