Nortel Media Gateway 3200 User Manual page 4

5.2 Restoring Networking Parameters to their Initial State .......................................... 49
6 MG 3200 Initialization & Configuration Files...................................................51
6.1 Boot Firmware & Operational Firmware................................................................. 51
6.2 MG 3200 Startup.................................................................................................... 51
6.3 Using BootP/DHCP ................................................................................................ 53
6.3.1 BootP/DHCP Server Parameters ............................................................................53
6.3.2 Host Name Support .................................................................................................56
6.3.3 Selective BootP .......................................................................................................56
6.3.4 Vendor Specific Information ....................................................................................56
6.3.5 Microsoft™ DHCP/BootP Server.............................................................................57
6.4 Configuration Parameters and Files.......................................................................58
6.4.1 Initialization (ini) File ................................................................................................59
6.4.2 Auxiliary Files...........................................................................................................67
6.4.3 Automatic Update Facility ........................................................................................78
6.5 Backup Copies of ini and Auxiliary Files ................................................................ 80
6.6 Upgrading MG 3200 Software................................................................................80
6.7 Software Upgrade Key ........................................................................................... 81
6.7.1 About the Software Upgrade Key ............................................................................81
6.7.2 Backing up the Current Software Upgrade Key ......................................................81
6.7.3 Loading the Software Upgrade Key.........................................................................82
6.7.4 Verifying that the Key was Successfully Loaded.....................................................84
6.7.5 Troubleshooting an Unsuccessful Loading of a Key ...............................................84
6.7.6 Abort Procedure.......................................................................................................84
7 Standard Control Protocols .............................................................................87
7.1 General ..................................................................................................................87
7.2 H.248 (Media Gateway Control) Protocol .............................................................. 87
7.2.1 H.238 Overview .......................................................................................................87
7.2.2 Operation .................................................................................................................87
7.2.3 SDP Support in H.248 .............................................................................................98
7.2.4 Supported H.248 Packages.................................................................................. 103
7.2.5 H.248 Profiling ...................................................................................................... 117
7.2.6 H.248 Termination Naming................................................................................... 118
8 MG 3200 Management.....................................................................................123
8.1 Using SNMP.........................................................................................................123
8.1.1 About SNMP ......................................................................................................... 123
8.1.2 Carrier-Grade Alarm System ................................................................................ 125
8.1.3 Cold Start Trap ..................................................................................................... 126
8.1.4 Performance Measurements for a Third-Party System ........................................ 126
8.1.5 SNMP Interface Details ........................................................................................ 131
8.1.6 Dual Module Interface........................................................................................... 138
8.1.7 SNMP NAT Traversal ........................................................................................... 139
8.2 Administrative State Control................................................................................. 140
8.2.1 Node Maintenance................................................................................................ 140
8.2.2 Graceful Shutdown ............................................................................................... 140
8.3 Embedded Web Server........................................................................................ 141
8.3.1 Embedded Web Server Protection & Security Mechanisms ................................ 141
8.3.2 Limiting the Embedded Web Server to Read-Only Mode .................................... 142
8.3.3 Correlating PC / MG 3200 IP Address & Subnet Mask ........................................ 143
8.3.4 Accessing the Embedded Web Server................................................................. 144
User's Manual 4
MG 3200
Document # LTRT-72704