Manual
Table Of Contents
- Contents
- About This Guide
- 1. About the FrameSaver SLV
- 2. User Interface and Basic Operation
- 3. Configuration Procedures
- 4. Configuration Options
- Using the Easy Install Feature
- Using RIP with FrameSaver SLV CSU/DSUs
- Entering System Information and Setting the System Clock
- Setting Up the Modem
- Setting Up Auto-Configuration
- Setting Up Dial Backup
- PVC Backup Over the Network Interface
- Setting Up Back-to-Back Operation
- Configuration Option Tables
- Configuring the Overall System
- Configuring Physical Interfaces
- Assigning Time Slots/Cross Connections
- Configuring Frame Relay for an Interface
- Manually Configuring DLCI Records
- Configuring PVC Connections
- Configuring the IP Path List
- Setting Up Management and Communication Options
- Configuring the Criteria for Automatic Backup
- 5. Configuring the FrameSaver SLV Router
- FrameSaver SLV Router Overview
- IP Routing
- Address Resolution Protocol
- Proxy ARP
- Interface Configuration
- Network Address Translation
- Network Address Port Translation
- Dynamic Host Configuration Protocol Server
- DHCP Relay Agent
- Router Security
- Provisioning the Router Interface
- Configuring the Router Using Terminal Emulation
- 6. Security and Logins
- 7. Operation and Maintenance
- 8. Troubleshooting
- 9. Setting Up OpenLane for FrameSaver Devices and Activating SLM Features
- 10. Setting Up NetScout Manager Plus for FrameSaver Devices
- 11. Setting Up Network Health for FrameSaver Devices
- A. Menu Hierarchy
- B. SNMP MIBs and Traps, and RMON Alarm Defaults
- C. Router CLI Commands, Codes, and Designations
- D. Router Command Line Summaries and Shortcuts
- E. Connectors, Cables, and Pin Assignments
- F. Technical Specifications
- G. Equipment List
- Index

6. Security and Logins
9128-A2-GB20-80 September 2002
6-11
Limiting SNMP Access Through IP Addresses
An additional level of security is provided by:
Limiting the IP addresses of NMSs that can access the FrameSaver unit.
Performing validation checks on the IP address of SNMP management
systems attempting to access the FrameSaver unit.
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.
3. S
ave your changes.
See
Configuring SNMP NMS Security
in Chapter 4,
Configuration Options,
for
more information about SNMP NMS Security configuration options.
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.