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AT-9000 Switch Command Line User’s Guide
1021
Mandatory
LLDP TLVs
Mandatory LLDP TLVs are sent by default on ports that send TLVs. The
TLVs are defined in Table 94.
Optional LLDP
TLVs
You can configure the switch to send optional LLDP TLVs along with the
mandatory TLVs in the LLDPDUs. The following table describes the
optional TLVs from the basic management set and the organizationally
specific TLVs from the IEEE 802.1AB TLV set (Annex F).
Table 94. Mandatory LLDP TLVs
TLV Description
Chassis ID The device's chassis ID number. For
Allied Telesis devices, this is the MAC
address of the switch.
Port ID The number of the port that transmitted
the advertisements.
Time to Live (TTL) The length of time in seconds for which
the information received in the
advertisements remains valid. If the value
is greater than zero, the information is
stored in the switch’s neighbor table. If the
value is zero, the information is no longer
valid and is removed from the table.
Table 95. Optional LLDP TLVs
TLV Description
Port description A port’s description. To add a port
description, refer to “Adding Descriptions”
on page 144 or “DESCRIPTION” on
page 170.
System name The name of the switch. To assign a
name, refer to “Adding a Name to the
Switch” on page 86 or “HOSTNAME” on
page 117.
System description A description of the device. This may
include information about the device
hardware and operating system. The AT-
9000 Switch sends its model name as its
system description.