3Com 3C13636 Configuration Manual page 43

3Com Router 3000 Ethernet Family
Configuration Guide
7.4.2 Performing User Authentication Using the Local User Database ........................... 7-7
Chapter 8 NTP Configuration ....................................................................................................... 8-1
8.1 Brief Introduction................................................................................................................ 8-1
8.2 NTP Configuration ............................................................................................................. 8-2
8.2.1 Configuring NTP Operation Mode........................................................................... 8-3
8.2.2 Configuring NTP ID Authentication ......................................................................... 8-6
8.2.3 Setting the Interface for the Local to Transmit NTP Messages .............................. 8-8
8.2.4 Setting the Local Clock as the NTP Master Clock .................................................. 8-8
8.2.5 Configuring an Interface to Receive NTP Messages .............................................. 8-9
8.2.6 Setting Access Control Authority of the Local Router Services .............................. 8-9
8.2.7 Setting Number of Sessions Allowed to be Established Locally........................... 8-10
8.3 Displaying and Debugging............................................................................................... 8-10
8.4 NTP Typical Configuration Examples .............................................................................. 8-11
8.4.1 Configuring NTP Server ........................................................................................ 8-11
8.4.2 Configure NTP Peer Examples ............................................................................. 8-13
8.4.3 Configuring NTP Broadcast Mode ........................................................................ 8-15
8.4.4 Configuring NTP Broadcast Mode with ID Authentication .................................... 8-16
8.4.5 Configuring NTP Multicast Mode .......................................................................... 8-18
8.4.6 Configuring NTP Server Mode with ID Authentication .......................................... 8-19
8.4.7 Configuring Server/Client Time Synchronization for MPLS VPN.......................... 8-21
8.4.8 Configuring Symmetric Time Synchronization for MPLS VPN ............................. 8-23
Chapter 9 SNMP Configuration.................................................................................................... 9-1
9.1 Protocol Introduction.......................................................................................................... 9-1
9.1.1 Brief Introduction ..................................................................................................... 9-1
9.1.2 SNMP Versions and MIB ........................................................................................ 9-1
9.2 SNMP Configuration .......................................................................................................... 9-3
9.2.1 Setting the SNMP Agent Serve............................................................................... 9-3
9.2.2 Setting the Corresponding Versions of SNMP........................................................ 9-4
9.2.3 Setting the Community Name ................................................................................. 9-4
9.2.4 Setting the SNMP Group......................................................................................... 9-5
9.2.5 Setting the SNMP User ........................................................................................... 9-5
9.2.6 Setting the ID and Contact of the Administrator...................................................... 9-6
9.2.7 Setting the Sending Trap ........................................................................................ 9-6
9.2.8 Setting the Engine ID of a Local Device ................................................................. 9-7
9.2.9 Setting the Address of the Trap Target Host .......................................................... 9-7
9.2.10 Setting the Router's Location (sysLocation) ......................................................... 9-8
9.2.11 Setting the Source Address for Sending Traps..................................................... 9-8
9.2.12 Setting the SNMP View......................................................................................... 9-8
9.2.13 Setting the Maximum Size of SNMP Packets ....................................................... 9-9
9.2.14 Setting the Packet Queue Length of Trap Packet................................................. 9-9
9.2.15 Setting the Saving Time of Trap Packets............................................................ 9-10
9.3 Displaying and Debugging............................................................................................... 9-10
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