Enabling lldp-med, Topology changes – Brocade Communications Systems Brocade ICX 6650 User Manual
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Brocade ICX 6650 Administration Guide
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LLDP-MED configuration
8
lists the global and interface-level tasks and the default behavior/value for each task.
Enabling LLDP-MED
When LLDP is enabled globally, LLDP-MED is enabled if the LLDP-MED capabilities TLV is also
enabled. By default, the LLDP-MED capabilities TLV is automatically enabled. To enable LLDP,
refer to
NOTE
LLDP-MED is not enabled on ports where the LLDP operating mode is receive only or transmit only.
LLDP-MED is enabled on ports that are configured to both receive and transmit LLDP packets and
have the LLDP-MED capabilities TLV enabled.
Enabling SNMP notifications and Syslog messages
for LLDP-MED topology changes
SNMP notifications and Syslog messages for LLDP-MED provide management applications with
information related to topology changes. For example, SNMP notifications can alert the system
whenever a remote Endpoint device is connected to or removed from a local port. SNMP
notifications identify the local port where the topology change occurred, as well as the device
capability of the remote Endpoint device that was connected to or removed from the port.
When you enable LLDP-MED SNMP notifications, corresponding Syslog messages are enabled as
well. When you enable LLDP-MED SNMP notifications, the device will send traps and Syslog
messages when an LLDP-MED Endpoint neighbor entry is added or removed.
SNMP notifications and corresponding Syslog messages are disabled by default. To enable them,
enter a command such as the following at the Global CONFIG level of the CLI.
TABLE 45
LLDP-MED configuration tasks and default behavior / value
Task
Default behavior / value
Global CONFIG-level tasks
Enabling LLDP-MED on a global basis
Disabled
Enabling SNMP notifications and Syslog messages
for LLDP-MED topology change
Disabled
Changing the Fast Start Repeat Count
The system automatically sets the fast start repeat count to
3 when a Network Connectivity Device receives an LLDP
packet from an Endpoint that is newly connected to the
network.
NOTE: The LLDP-MED fast start mechanism is only intended
to run on links between Network Connectivity devices
and Endpoint devices. It does not apply to links
between LAN infrastructure elements, including
between Network Connectivity devices, or to other
types of links.
Interface-level tasks
Defining a location ID
Not configured
Defining a network policy
Not configured