xStack
®
DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch
156
LLDP Global Settings
This window is used to configure the LLDP Global Settings on the Switch. When LLDP is enabled the Switch can start to
transmit, receive and process LLDP packets. The specific function of each port will depend on the per port LLDP settings. LLDP
Global State is Disabled by default.
To view this window, click L2 Features > LLDP > LLDP Global Settings, as shown below:
Figure 3 - 58 LLDP Global Settings window
The following parameters can be set:
Parameter Description
LLDP Operation
State
Used to Enable or Disable LLDP on the Switch.
LLDP Forward
Message State
When LLDP is disabled this function controls the LLDP packet forwarding message based on
individual ports. If LLDP is enabled on a port it will flood the LLDP packet to all ports that have
the same port VLAN and will advertise to other stations attached to the same IEEE 802 LAN.
Message TX
Interval (5-32768)
This interval controls how often active ports retransmit advertisements to their neighbors. To
change the packet transmission interval, enter a value in seconds (5 to 32768).
Message TX Hold
Multiplier (2-10)
This function calculates the Time-to-Live for creating and transmitting the LLDP advertisements
to LLDP neighbors by changing the multiplier used by an LLDP Switch. When the Time-to-Live
for an advertisement expires the advertised data is then deleted from the neighbor Switch’s MIB.
ReInit Delay (1-
10)
The LLDP reinitialization delay interval is the minimum time that an LLDP port will wait before
reinitializing after receiving an LLDP disable command. To change the LLDP Reinit Delay, enter
a value in seconds (1 to 10).
TX Delay (1-8192)
LLDP TX Delay allows the user to change the minimum time delay interval for any LLDP port
which will delay advertising any successive LLDP advertisements due to change in the LLDP
MIB content. To change the LLDP TX Delay, enter a value in seconds (1 to 8192).
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