User's Guide
Table Of Contents
- Disclaimers
- Table of Contents
- CHAPTER 1 Introduction
- CHAPTER 2 Basic Mode Setup
- CHAPTER 3 Expert Mode
- Overview of Major Capabilities
- Wide Area Network Termination
- PPPoE/PPPoA (Point-to-Point Protocol over Ethernet/ATM)
- Instant-On PPP
- Simplified Local Area Network Setup
- DHCP (Dynamic Host Configuration Protocol) Server
- DNS Proxy
- Management
- Embedded Web Server
- Diagnostics
- Security
- Remote Access Control
- Password Protection
- Network Address Translation (NAT)
- Cayman Advanced Features for NAT
- Internal Servers
- Pinholes
- Default Server
- Combination NAT Bypass Configuration
- VPN IPSec Pass Through
- Access the Web Interface
- Toolbar
- Navigating the Web Interface
- Restart
- Help
- Configure
- Button: Configure
- Quickstart
- How to Use the Quickstart Page
- Link: Configure -> Quickstart
- Setup Your Gateway using a PPP Connection
- LAN
- Link: Configure -> LAN
- WAN
- Link: Configure -> WAN
- Advanced
- Link: Advanced
- Link: IP Static Routes
- Link: IP Static ARP
- Link: Pinholes
- Configure Specific Pinholes
- Planning for Your Pinholes
- Example: A LAN Requiring Three Pinholes
- Pinhole Configuration Procedure
- Link: IPMaps
- Configure the IPMaps Feature
- What are IPMaps and how are they used?
- What types of servers are supported by IPMaps?
- Can I use IPMaps with my PPPoE or PPPoA connection?
- Will IPMaps allow IP addresses from different subnets to be assigned to my Gateway?
- Link: Default Server
- Configure a Default Server
- Typical Network Diagram
- NAT Combination Application
- IP-Passthrough
- A restriction
- Link: DNS
- Link: DHCP Server
- Link: SNMP
- Link: Advanced -> Ethernet Bridge
- Configuring for Bridge Mode
- Link: Stateful Inspection
- Exposed Addresses
- Stateful Inspection Options
- Link: System
- Link: Syslog Parameters
- Link: Internal Servers
- Link: Software Hosting
- Rename a User(PC)
- Link: Clear Options
- Security
- Button: Security
- Link: Passwords
- Create and Change Passwords
- Link: Firewall
- BreakWater Basic Firewall
- Link: IPSec
- Link: Security Log
- Install
- Button: Install
- Link: Install Software
- Updating Your Gateway’s CaymanOS Version
- Task 1: Required Files
- Task 2: CaymanOS Image File
- Link: Install Keys
- Use Cayman Software Feature Keys
- Overview of Major Capabilities
- CHAPTER 4 Basic Troubleshooting
- CHAPTER 5 Advanced Troubleshooting
- CHAPTER 6 Command Line Interface
- Overview
- Starting and Ending a CLI Session
- Using the CLI Help Facility
- About SHELL Commands
- SHELL Commands
- About CONFIG Commands
- CONFIG Commands
- DSL Commands
- ATM Settings
- Bridging Settings
- DHCP Settings
- DMT Settings
- Domain Name System Settings
- IP Settings
- IP-over-PPP Settings
- Static ARP Settings
- IPMaps Settings
- Network Address Translation (NAT) Default Settings
- Network Address Translation (NAT) Pinhole Settings
- PPPoE Settings
- Configuring Basic PPP Settings
- Configuring Port Authentication
- Command Line Interface Preference Settings
- Port Renumbering Settings
- Security Settings
- SNMP Settings
- System Settings
- Syslog
- Wireless Settings (supported models)
- CHAPTER 7 Glossary
- CHAPTER 8 Technical Specifications and Safety Information
- Index
202
the range 2000-65534 when assigning new port numbers to
the Cayman Gateway telnet configuration interface. A setting of
0 (zero) will turn the server off.
Security Settings
Security settings include the Firewall and IPSec parameters. All
of the security functionality is keyed.
Firewall Settings (for BreakWater Firewall)
set security firewall option [ ClearSailing | SilentRunning |
LANdLocked ]
The 3 settings for BreakWater are discussed in detail on page
page 109.
SNMP Settings
The Simple Network Management Protocol (SNMP) lets a net-
work administrator monitor problems on a network by retrieving
settings on remote network devices. The network administrator
typically runs an SNMP management station program on a local
host to obtain information from an SNMP agent such as the
Cayman Gateway.
set snmp community read name
Adds the specified name to the list of communities associated
with the Cayman Gateway. By default, the Cayman Gateway is
associated with the public community. You can associate as
many as 16 communities with the Cayman Gateway.