User's Manual
Table Of Contents
- Contents
- About This Guide
- About the FrameSaver DSL Unit
- User Interface and Basic Operation
- Configuration Procedures
- Configuration Options
- Overview
- Using the Easy Install Feature
- Setting Up So the Router Can Receive RIP
- Entering System Information and Setting the System Clock
- Configuration Option Tables
- Configuring the Overall System
- Configuring the Physical Interfaces
- Configuring Frame Relay for the Data Port
- Configuring ATM for the Network Interface
- Configuring Circuit and DLCI Records
- Configuring PVC Connections
- Setting Up Management and Communication Options
- Configuring Node IP Information
- Configuring Management PVCs
- Configuring General SNMP Management
- Configuring Telnet and/or FTP Session Support
- Configuring SNMP NMS Security
- Configuring SNMP Traps
- Configuring the Ethernet Port
- Configuring the Communication Port
- Configuring the COM Port to Support an External Modem
- Security and Logins
- Operation and Maintenance
- FTP Operation
- Troubleshooting
- Setting Up OpenLane for FrameSaver Devices
- Setting Up Network Health for FrameSaver Devices
- Menu Hierarchy
- SNMP MIBs and Traps, and RMON Alarm Defaults
- Connectors, Cables, and Pin Assignments
- Technical Specifications
- Equipment List
- Index

Security and Logins
5-10
9783-A2-GB20-00
July 2000
Limiting SNMP Access Through IP Addresses
An additional level of security is provided by:
H Limiting the IP addresses of NMSs that can access the FrameSaver unit.
H Performing validation checks on the IP address of SNMP management
systems attempting to access the FrameSaver unit.
H Specifying the access allowed for the authorized NMS when IP address
validation is performed.
The SNMP NMS Security Options screen provides the configuration options that
determine whether security checking is performed on the IP address of SNMP
management systems attempting to communicate with the unit.
Make sure that SNMP Management is set to Enable.
Menu selection sequence:
Main Menu
→
Configuration
→
Management and Communication
→
General SNMP Management
→
SNMP Management: Enable
See
Configuring General SNMP Management
in Chapter 4,
Configuration
Options,
for more information about SNMP management configuration options.
" Procedure
To limit SNMP access through IP addresses:
1. Select the SNMP NMS Security options:
Main Menu
→
Configuration
→
Management and Communication
→
SNMP NMS Security
2. Select and set the following configuration options, as appropriate.
To . . .
Set the configuration option . . .
Enable IP address checking NMS IP Validation to Enable.
Specify the number (between 1
and 10) of SNMP management
systems that are authorized to
send SNMP messages to the
FrameSaver unit
Number of Managers to the desired
number.
Specify the IP address(es) that
identifies the SNMP manager(s)
authorized to send SNMP
messages to the unit
NMS
n
IP Address to the appropriate
IP address.
Specify the access allowed for an
authorized NMS when IP address
validates is performed
Access Level to Read or Read/Write.
3. Save your changes.