Specifying The Minimum Time Between Snmp Traps And Syslog Messages; Changing The Minimum Time Between Lldp Transmissions - Dell PowerConnect B-RX Configuration Manual

9
Configuring LLDP
You can list all of the ports individually, use the keyword to specify ranges of ports, or a combination
of both. To apply the configuration to all ports on the device, use the keyword all instead of listing
the ports individually.
Specifying the minimum time between SNMP traps and
Syslog messages
When SNMP notifications and Syslog messages for LLDP are enabled, the device will send no more
than one SNMP notification and corresponding Syslog message within a five second period. If
desired, you can throttle the amount of time between transmission of SNMP traps
(lldpRemTablesChange) and Syslog messages from five seconds up to a value equal to one hour
(3600 seconds).
NOTE
<<76090>>Because LLDP Syslog messages are rate limited, some LLDP information given by the
system will not match the current LLDP statistics (as shown in the show lldp statistics command
output).
To change the minimum time interval between traps and Syslog messages, enter a command such
as the following.
BigIron RX(config)#lldp snmp-notification-interval 60
When the above command is applied, the LLDP agent will send no more than one SNMP
notification and Syslog message every 60 seconds.
Syntax: [no] lldp snmp-notification-interval <seconds>
where <seconds> is a value between 5 and 3600. The default is 5 seconds.

Changing the minimum time between LLDP transmissions

The LLDP transmit delay timer limits the number of LLDP frames an LLDP agent can send within a
specified time frame. When you enable LLDP, the system automatically sets the LLDP transmit
delay timer to two seconds. If desired, you can change the default behavior from two seconds to a
value between 1 and 8192 seconds.
NOTE
The LLDP transmit delay timer must not be greater than one quarter of the LLDP transmission
interval (CLI command lldp transmit-interval).
The LLDP transmit delay timer prevents an LLDP agent from transmitting a series of successive
LLDP frames during a short time period, when rapid changes occur in LLDP. It also increases the
probability that multiple changes, rather than single changes, will be reported in each LLDP frame.
To change the LLDP transmit delay timer, enter a command such as the following at the Global
CONFIG level of the CLI.
BigIron RX(config)#lldp transmit-delay 7
The above command causes the LLDP agent to wait a minimum of seven seconds after
transmitting an LLDP frame and before sending another LLDP frame.
Syntax: [no] lldp transmit-delay <seconds>.
264 BigIron RX Series Configuration Guide
53-1002253-01