23.2.3 Configuring Global Trusted Key ID for the NTP ...........................................23-3
23.2.4 Configuring NTP Server ...............................................................................23-3
23.2.5 Disabling receiving NTP Packets on the Interface .......................................23-4
23.2.6 Enabling/Disabling NTP Function ................................................................23-5
23.2.7 Configuring Real Time Synchronization for NTP .........................................23-5
23.3 Display of NTP Information ......................................................................................................23-6
23.3.1 Debugging the NTP .....................................................................................23-6
23.3.2 Showing NTP Information ............................................................................23-6
23.4 Configuration Examples ...........................................................................................................23-6
24 UDP-Helper Configuration ................................................................................................................ 24-1
24.1 UDP-Helper Configuration .......................................................................................................24-1
24.1.1 UDP-Helper Overview ..................................................................................24-1
24.2 Configuring UDP-Helper ..........................................................................................................24-1
24.2.1 Default Configuration of UDP-Helper ...........................................................24-1
24.2.2 Enable the Function of Relay and Forwarding for UDP-Helper ...................24-2
24.2.3 Configuring Destination Server for Relay and Forward ...............................24-2
24.2.4 Configuring UDP Port Requiring Relay and Forwarding..............................24-3
25 SNMP Configuration ......................................................................................................................... 25-1
25.1 SNMP Related Information ......................................................................................................25-1
25.1.1 Overview ......................................................................................................25-1
25.1.2 SNMP Protocol Versions ..............................................................................25-3
25.1.3 SNMP Management Operations ..................................................................25-3
25.1.4 SNMP Security .............................................................................................25-4
25.1.5 SNMP Engine ID ..........................................................................................25-5
25.2 SNMP Configuration ................................................................................................................25-6
25.2.1 Setting the Community String and Access Authority ....................................25-6
25.2.2 Configuring MIB Views and Groups .............................................................25-7
25.2.3 Configuring SNMP Users .............................................................................25-7
25.2.4 Configuring SNMP Host Address .................................................................25-8
25.2.5 Configuring SNMP Agent Parameters .........................................................25-8
25.2.6 Defining Maximum Packet Length of SNMP Agent .....................................25-8
25.2.7 Shielding SNMP Agent .................................................................................25-9
25.2.8 Disable SNMP Agent ...................................................................................25-9
25.2.9 Configuring Agent to Send Trap to NMS Initiatively .....................................25-9
25.2.10 Configuration of Link Trap Policy .................................................................25-9
25.2.11 Configuring Message Sending Operation Parameters ..............................25-10
25.3 SNMP Monitoring and Maintenance ......................................................................................25-10
25.3.1 Checking Current SNMP Status .................................................................25-10
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