snmp-agent trap enable stp

Use snmp-agent trap enable stp to enable SNMP notifications for new-root election events or spanning tree topology changes.

Use undo snmp-agent trap enable stp to disable SNMP notifications for new-root election events or spanning tree topology changes.

Syntax

snmp-agent trap enable stp [ new-root | tc ]

undo snmp-agent trap enable stp [ new-root | tc ]

Default

SNMP notifications are disabled for new-root election events.

In MSTP mode, SNMP notifications are enabled in MSTI 0 and disabled in other MSTIs for spanning tree topology changes.

In PVST mode, SNMP notifications are disabled for spanning tree topology changes in all VLANs.

Views

System view

Predefined user roles

network-admin

mdc-admin

Parameters

new-root: Enables the device to send notifications if the device is elected as a new root bridge. This keyword applies only to STP, MSTP, and RSTP modes.

tc: Enables the device to send notifications if the device receives TCN BPDUs. This keyword applies only to PVST mode.

Usage guidelines

If no keyword is specified, the snmp-agent trap enable stp command applies to SNMP notifications for different events as follows:

• In STP, MSTP, and RSTP modes, the command applies to SNMP notifications for new-root election events.

• In PVST mode, the command applies to SNMP notifications for spanning tree topology changes.

Examples

# Enable SNMP notifications for new-root election events.

<Sysname> system-view
[Sysname] snmp-agent trap enable stp new-root