Mode)..............................................................................................................................................................138

3.6.5 Example for Configuring Devices in the HGMP Cluster to Access the Outside SNMP Host (in non-NAT

Mode)..............................................................................................................................................................148

3.6.6 Example for Configuring the Batch Distribution Function for an HGMP Cluster...............................159

3.6.7 Example for Configuring the Batch Restart Function for an HGMP Cluster.......................................170

3.6.8 Example for Configuring the Incremental Configuration Function for an HGMP Cluster...................180

3.6.9 Example for Configuring the Configuration Synchronization Function for an HGMP Cluster............190

3.6.10 Example for Configuring Security Features for an HGMP Cluster....................................................200

4 NTP Configuration....................................................................................................................211

4.1 Introduction to NTP........................................................................................................................................212

4.2 NTP Supported by the S9300&S9300E.........................................................................................................214

4.3 Configuring Basic NTP Functions.................................................................................................................216

4.3.1 Establishing the Configuration Task.....................................................................................................216

4.3.2 Configuring the NTP Primary Clock.....................................................................................................217

4.3.3 Configuring the Time Interval to Update Client Clock.........................................................................217

4.3.4 Configuring the Unicast Client/Server Mode........................................................................................218

4.3.5 Configuring the Peer Mode...................................................................................................................219

4.3.6 Configuring the Broadcast Mode..........................................................................................................220

4.3.7 Configuring the Multicast Mode...........................................................................................................221

4.3.8 Disabling the Interface from Receiving NTP Packets...........................................................................223

4.3.9 (Optional) Setting the Maximum Number of Dynamic NTP Sessions.................................................223

4.3.10 Disabling NTP Service........................................................................................................................224

4.3.11 Checking the Configuration.................................................................................................................224

4.4 Configuring NTP Security Mechanisms.........................................................................................................226

4.4.1 Establishing the Configuration Task.....................................................................................................226

4.4.2 Setting NTP Access Authorities............................................................................................................227

4.4.3 Enabling NTP Authentication...............................................................................................................228

4.4.4 Configuring NTP Authentication in Unicast Client/Server Mode........................................................229

4.4.5 Configuring NTP Authentication in Peer Mode....................................................................................229

4.4.6 Configuring NTP Authentication in Broadcast Mode...........................................................................230

4.4.7 Configuring NTP Authentication in Multicast Mode............................................................................230

4.4.8 Checking the Configuration...................................................................................................................231

4.5 Maintaining NTP............................................................................................................................................232

4.6 Configuration Examples.................................................................................................................................232

4.6.1 Example for Configuring NTP Authentication in Unicast Client/Server Mode....................................232

4.6.2 Example for Configuring the Common NTP Peer Mode......................................................................237

4.6.3 Example for Configuring NTP Authentication in Broadcast Mode......................................................240

4.6.4 Example for Configuring the Common NTP Multicast Mode..............................................................244

5 Ping and Tracert.........................................................................................................................249

5.1 Ping.................................................................................................................................................................250

5.2 Tracert.............................................................................................................................................................250

Issue 01 (2012-03-15)

Huawei Proprietary and Confidential

Contents

Table of Contents