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config lldp notification _interval
Purpose
Used to configure the timer of the notification interval for sending notification to configured
SNMP trap receiver(s).
Syntax
config lldp notification_interval <sec 5 – 3600 >
Description
Globally change the interval between successive LLDP change notifications generated by
the switch.
Parameters
notification_interval
– The range is from
5
seconds to
3600
seconds. The default setting is
5
seconds.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example usage:
To change the notification interval to 10 seconds:
DGS-3627:admin# config lldp notification_interval 10
Command: config lldp notification_interval 10
Success.
DGS-3627:admin#
config lldp ports notification
Purpose
Used to configure each port for sending notification to configured SNMP trap receiver(s).
Syntax
config lldp ports [<portlist>|all] notification [enable | disable]
Description
Enable or disable each port for sending changes notification to configured SNMP trap
receiver(s) if an LLDP data change is detected in an advertisement received on the port from
an LLDP neighbor. The definition of change includes new available information, information
timeout, information update. And the changed type includes any data update /insert/remove.
Parameters
<portlist>
Use this parameter to define ports to be configured.
all
– Use this parameter to set all ports in the system.
notification
– Enables or disables the SNMP trap notification of LLDP data changes detected
on advertisements received from neighbor devices. The default notification state is disabled.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example usage:
To change the SNMP notification state of ports 1 to 5 to enable:
DGS-3627:admin# config lldp ports 1:1-1:5 notification enable
Command: config lldp ports 1:1-1:5 notification enable
Success.
DGS-3627:admin#
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config lldp ports admin_status
Purpose
Used to configure per-port transmit and receive modes.
Syntax
config lldp ports [<portlist>|all] admin_status [tx_only | rx_only | tx_and_rx | disable]
Description
These options enable the user to control which ports participate in LLDP traffic and whether
the participating ports allow LLDP traffic in only one direction or in both directions.
Parameters
<portlist>
Use this parameter to define ports to be configured.
all
– Use this parameter to set all ports in the system.
admin_status
tx_only
: Configure the specified port(s) to transmit LLDP packets, but block
inbound LLDP packets from neighbor devices;
rx_only
: Configure the specified port(s) to
receive LLDP packets from neighbors, but block outbound packets to neighbors;
tx_and_rx
:
Configure the specified port(s) to both transmit and receive LLDP packets;
disable
: Disable
LLDP packet transmit and receive on the specified port(s). The default per port state is
tx_and_rx
.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example usage:
To configure ports 1 to 5 to transmit and receive:
DGS-3627:admin# config lldp ports 1:1-1:5 admin_status tx_and_rx
Command: config lldp ports 1:1-1:5 admin_status tx_and_rx
Success.
DGS-3627:admin#
config lldp ports mgt_addr
Purpose
Used to enable or disable port(s) specified for advertising indicated management address
instance.
Syntax
config lldp ports [<portlist>|all] mgt_addr [ipv4 <ipaddr> | ipv6 <ipv6addr>] [enable |
disable]
Description
This command specifies whether the system’s IP address needs to be advertised from the
specified port. For layer 3 devices, each managed address can be individually specified. The
management addresses that are added in the list will be advertised in the LLDP from the
specified interface associated with each management address. The interface for that
management address will be also advertised in the if-index form
Parameters
<portlist>
Use this parameter to define ports to be configured.
all
– Use this parameter to set all ports in the system.
ipv4
– The IP address of IPv4.
Ipv6
– The IP address of IPv6.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example usage:
To enable ports 1 to 2 to manage address entry:
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DGS-3627:admin# config lldp ports 1:1-1:2 mgt_addr ipv4 192.168.254.10 enable
Command: config lldp ports 1:1-1:2 mgt_addr ipv4 192.168.254.10 enable
Success.
DGS-3627:admin#
config lldp ports basic_tlvs
Purpose
Used to configure an individual port or group of ports to exclude one or more optional TLV
data types from outbound LLDP advertisements.
Syntax
config lldp ports [<portlist>|all] basic_tlvs [all | {port_description | system_name |
system_description | system_capabilities}] [enable | disable]
Description
An active LLDP port on the switch always includes the mandatory data in its outbound
advertisements. And there are four optional data that can be configured for an individual port
or group of ports to exclude one or more of these data types from outbound LLDP
advertisements. The mandatory data type include four basic types of information (end f
LLDPDU TLV, chassis ID TLV, port ID TLV, and Time to Live TLV). The mandatory type can
not be disabled. There are also four data types which can be optionally selected. They are
port_description
,
system_name
,
system_description
, and
system_capability
.
Parameters
<portlist>
Use this parameter to define ports to be configured.
all
– Use this parameter to set all ports in the system.
port_description
– This TLV optional data type indicates that LLDP agent should transmit
'Port Description TLV on the port. The default state is disabled.
system_name
– This TLV optional data type includes indicates that LLDP agent should
transmit 'System Name TLV'. The default state is disabled.
system_description
– This TLV optional data type includes indicates that LLDP agent should
transmit 'System Description TLV'. The default state is disabled.
system_capabilities
– This TLV optional data type includes indicates that LLDP agent should
transmit 'System Capabilities TLV'. The system capability will indicate whether the device
provides repeater, bridge, or router function, and whether the provided functions are
currently enabled. The default state is disabled.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example usage:
To configure exclude the system name TLV from the outbound LLDP advertisements for all ports:
DGS-3627:admin# config lldp ports all basic_tlvs system_name enable
Command: config lldp ports all basic_tlvs system_name enable
Success.
DGS-3627:admin#
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config lldp dot1_tlv_pvid
Purpose
Used to configure an individual port or group of ports to exclude one or more of IEEE 802.1
organization port VLAN ID TLV data types from outbound LLDP advertisements.
Syntax
config lldp ports [<portlist>|all] dot1_tlv_pvid [enable | disable]
Description
This TLV optional data type determines whether the IEEE 802.1 organization defined port
VLAN TLV transmission is allowed on a given LLDP transmission capable port.
Parameters
<portlist>
Use this parameter to define ports to be configured.
all
– Use this parameter to set all ports in the system.
dot1_tlv_pvid
– This TLV optional data type determines whether the IEEE 802.1 organization
defined port VLAN ID TLV transmission is allowed on a given LLDP transmission capable
port. The default state is disabled.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example usage:
To configure exclude the VLAN nameTLV from the outbound LLDP advertisements for all ports:
DGS-3627:admin# config lldp ports all dot1_tlv_pvid enable
Command: config lldp ports all dot1_tlv_pvid enable
Success.
DGS-3627:admin#
config lldp dot1_tlv_protocol_vid
Purpose
Used to configure an individual port or group of ports to exclude one or more of IEEE 802.1
organization port and protocol VLAN ID TLV data types from outbound LLDP
advertisements.
Syntax
config lldp ports [<portlist>|all] dot1_tlv_protocol_vid [vlan [all | <vlan_name 32> ] |
vlanid <vidlist> ] [enable | disable]
Description
This TLV optional data type indicates whether the corresponding Local System’s port and
protocol VLAN ID instance will be transmitted on the port. If a port is associated with multiple
protocol VLANs, those enabled port and protocol VLAN IDs will be advertised.
Parameters
<portlist>
Use this parameter to define ports to be configured.
all
– Use this parameter to set all ports in the system.
dot1_tlv_protocol_vid
– This TLV optional data type determines whether the IEEE 802.1
organization defined port and protocol VLAN ID TLV transmission is allowed on a given
LLDP transmission capable port. The default state is disabled.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example usage:
To configure exclude the port and protocol VLAN ID TLV from the outbound LLDP advertisements for all ports:
DGS-3627:admin# config lldp ports all dot1_tlv_protocol_vid vlanid 1-3 enable
Command: config lldp ports all dot1_tlv_protocol_vid vlanid 1-3 enable
Success.
DGS-3627:admin#
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config lldp dot1_tlv_vlan_name
Purpose
Used to configure an individual port or group of ports to exclude one or more of IEEE 802.1
organization VLAN name TLV data types from outbound LLDP advertisements.
Syntax
config lldp ports [<portlist>|all] dot1_tlv_vlan_name [vlan [all | <vlan_name 32> ] |
vlanid <vidlist> ] [enable | disable ]
Description
This TLV optional data type indicates whether the corresponding Local System’s VLAN
name instance will be transmitted on the port. If a port is associated with multiple VLANs,
those enabled VLAN IDs will be advertised.
Parameters
<portlist>
Use this parameter to define ports to be configured.
all
– Use this parameter to set all ports in the system.
dot1_tlv_vlan_name
– This TLV optional data type indicates whether the corresponding
Local System’s VLAN name instance will be transmitted on the port. If a port is associated
with multiple VLANs, those enabled VLAN IDs will be advertised. The default state is
disabled.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example usage:
To configure exclude the VLAN name TLV from the outbound LLDP advertisements for all ports:
DGS-3627:admin# config lldp ports all dot1_tlv_vlan_name vlanid 1-3 enable
Command: config lldp ports all dot1_tlv_vlan_name vlanid 1-3 enable
Success.
DGS-3627:admin#
config lldp dot1_tlv_protocol_identity
Purpose
Used to configure an individual port or group of ports to exclude one or more of IEEE 802.1
organization protocol identity TLV data types from outbound LLDP advertisements.
Syntax
config lldp ports [<portlist>|all] dot1_tlv_ protocol_identity [all | {eapol | lacp | gvrp |
stp } [enable | disable]
Description
This TLV optional data type indicates whether the corresponding Local System's Protocol
Identity instance will be transmitted on the port. The Protocol Identity TLV provides a way for
stations to advertise protocols that are important to the operation of the network. Such as
Spanning Tree Protocol, the Link Aggregation Control Protocol, and numerous vendor
proprietary variations are responsible for maintaining the topology and connectivity of the
network. If EAPOL, GVRP, STP (including MSTP), and LACP protocol identity is enabled on
this port and it is enabled to be advertised, then this protocol identity will be advertised.
Parameters
<portlist>
Use this parameter to define ports to be configured.
all
– Use this parameter to set all ports in the system.
dot1_tlv_protocol_identity
– This TLV optional data type indicates whether the corresponding
Local System's Protocol Identity instance will be transmitted on the port. The Protocol
Identity TLV provides a way for stations to advertise protocols that are important to the
operation of the network, such as Spanning Tree Protocol, the Link Aggregation Control
Protocol, and numerous vendor proprietary variations which are responsible for maintaining
the topology and connectivity of the network. If EAPOL, GVRP, STP (including MSTP), and
LACP protocol identity is enabled on this port and it is enabled to be advertised, then this
protocol identity will be advertised. The default state is disabled.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example usage:

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