Upgrading from Release 5.1.1 or Lower-Numbered Releases ......................142
Upgrading Software Remotely Through Telnet or FTP ..........................143
Upgrading Software from an NVS Card .................................................143
Upgrading a System That Contains One SRP Module .....................143
Upgrading a System That Contains Two SRP Modules ....................144
Downgrading JUNOSe Software ...................................................................144
Chapter 4 Configuring SNMP 147
Overview .....................................................................................................147
Terminology .........................................................................................148
SNMP Features Supported ....................................................................149
SNMP Client ..........................................................................................149
SNMP Server .........................................................................................150
SNMP MIBs ...........................................................................................150
Standard SNMP MIBs ......................................................................150
Juniper Networks E Series Enterprise MIBs .....................................150
Accessing Supported SNMP MIBs ...................................................150
SNMP Versions .....................................................................................150
Security Features ..................................................................................151
Management Features ..........................................................................152
Virtual Routers ......................................................................................153
Creating SNMP Proxy .....................................................................153
Disabling and Reenabling SNMP Proxy ..........................................154
Communicating with the SNMP Engine ................................................154
SNMP Attributes ....................................................................................155
SNMP Operations ..................................................................................155
SNMP PDU Types ..................................................................................156
Platform Considerations ..............................................................................156
References ..................................................................................................157
Before You Configure SNMP ........................................................................157
SNMP Configuration Tasks ..........................................................................158
Enabling SNMP .....................................................................................159
Configuring SNMP v1/v2c Community ..................................................159
Community Name ..........................................................................159
Privilege Levels ...............................................................................159
IP Access List ..................................................................................160
Configuring SNMPv3 Users ...................................................................160
Configuring SNMP Dynamic Groups and Views .....................................160
Setting Server Parameters .....................................................................161
Configuring SNMP Packet Size ..............................................................162
Configuring Memory Warning ..............................................................162
Configuring Encoding Method ...............................................................162
Managing Interface Sublayers ...............................................................163
Compressing Interfaces ..................................................................163
Controlling Interface Numbering ....................................................165
Monitoring Interface Tables ............................................................166
Configuring Traps ........................................................................................167
IP Hosts ................................................................................................167
Trap Categories .....................................................................................168
xiv â– Table of Contents
JUNOSe 11.1.x System Basics Configuration Guide