The mpls ldp timer hello-send command sets the value of a Hello send timer.
The undo mpls ldp timer hello-send command restores the default configuration.
By default, the value of a Hello send timer is one third the value of a Hello hold timer.
| Parameter | Description | Value |
|---|---|---|
| interval | Specifies the value of a Hello send timer. | An integer ranging from 1 to 65535, in seconds |
Ethernet interface view, Ethernet sub-interface view, Eth-Trunk interface view, Eth-Trunk sub-interface view, Tunnel interface view, Dialer interface view, VLANIF interface view, Virtual-Template interface view
Usage Scenario
An LSR sends Hello messages to the neighboring LSR to advertise its presence on the network and sets up the Hello adjacency. The Hello messages are sent at an interval specified by the value of the Hello send timer.
The default value of the Hello send timer is recommended. On a network in poor condition, you can reduce the value of the Hello send timer, enabling the network to recover from faults as soon as possible.
Link-Hello send timer: used to maintain the local adjacency. The mpls ldp timer hello-send command in the interface view sets a value for the timer.
Configuration Impact
The value of the Hello send timer that takes effect is not necessarily the same as the set value. If the value of the Hello send timer is greater than one third of the value of the Hello hold timer, the value of the Hello send timer that takes effect is equal to one third of the value of the link-Hello hold timer. Run the mpls ldp timer hello-hold command to set the value for the Hello hold timer.