D-Link DGS-1520 User Manual - Page 50

DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide SNMP Global Settings This window is used to display and configure the global SNMP and trap settings. To view the following window, click Management > SNMP > SNMP Global Settings, as shown below: Figure 4-8 SNMP Global Settings Window The fields that can be configured in SNMP Global Settings are described below: Parameter SNMP Global State SNMP Response Broadcast Request SNMP UDP Port Trap Source Interface Description Select this option to enable or disable the SNMP feature. Select this option to enable or disable the server to response to broadcast SNMP GetRequest packets. Enter the SNMP UDP port number. Enter the interface whose IP address will be used as the source address for sending the SNMP trap packet. The fields that can be configured in Trap Settings are described below: Parameter Trap Global State SNMP Authentication Trap Port Link Up Port Link Down Coldstart Warmstart Description Select this option to enable or disable the sending of all or specific SNMP notifications. Tick this option to control the sending of SNMP authentication failure notifications. An authenticationFailuretrap trap is generated when the device receives an SNMP message that is not properly authenticated. The authentication method depends on the version of SNMP being used. For SNMPv1 or SNMPv2c, authentication failure occurs if packets are formed with an incorrect community string. Tick this option to control the sending of port link up notifications. A linkUp trap is generated when the device recognizes that one of the communication links has come up. Tick this option to control the sending of port link down notifications. A linkDown trap is generated when the device recognizes that a one of the communication links is down. Tick this option to control the sending of SNMP coldStart notifications. Tick this option to control the sending of SNMP warmStart notifications. Click the Apply button to accept the changes made. 40