D-Link DGS-3130 User Manual - Page 40

DGS-3130 Series Layer 3 Stackable Managed Switch Web UI Reference Guide 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. For SNMPv3, authentication failure occurs if packets are formed with an incorrect SHA/MD5 authentication key. 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. SNMP Linkchange Trap Settings This window is used to display and configure the SNMP link change trap settings. To view the following window, click Management > SNMP > SNMP Linkchange Trap Settings, as shown below: Figure 4-8 SNMP Linkchange Trap Settings Window The fields that can be configured are described below: Parameter Unit From Port - To Port Trap Sending Trap State Description Select the Switch unit that will be used for this configuration here. Select the appropriate port range used for the configuration here. Select this option to enable or disable the sending of the SNMP notification traps that are generated by the system. Select this option to enable or disable the SNMP linkChange trap. Click the Apply button to accept the changes made. 30