Lldp - Siemens SIMATIC NET SCALANCE S615 Configuration Manual

Configuring with Web Based Management
4.7 "Layer 2" menu
● Edge
Shows the status of the port.
– Enabled
– Disabled
With an end device, a switch can change over the port faster without taking into account
spanning tree frames. If a spanning tree frame is received despite this setting, the port
automatically changes to the "Disabled" setting.
● P.t.P. Type
Select the required option from the drop-down list. The selection depends on the port that
is set.
– "-"
– P.t.P.
–
4.7.5

LLDP

Identifying the network topology
LLDP (Link Layer Discovery Protocol) is defined in the IEEE 802.1 AB standard.
LLDP is a method used to discover the network topology. Network components exchange
information with their neighbor devices using LLDP.
Network components that support LLDP have an LLDP agent. The LLDP agent sends
information about itself and receives information from connected devices at periodic intervals.
The received information is stored in the MIB.
Applications
PROFINET uses LLDP for topology diagnostics. In the factory setting, LLDP is enabled for all
available ports; in other words, LLDP frames are sent on the ports.
228
An end device is connected to this port.
There is a Spanning Tree or Rapid Spanning Tree device at this port.
Point to point is calculated automatically. If the port is set to half duplex, a point-to-point
link is not assumed.
Also with half duplex, a point-to-point link is assumed.
Shared Media
Even with a full duplex connection, a point-to-point link is not assumed.
Note
Point-to-point link means a direct connection between two devices. A shared media
connection is, for example, a connection to a hub.
SCALANCE S615 Web Based Management
Configuration Manual, 11/2019, C79000-G8976-C388-08