User's Manual
Table Of Contents
- Chapter 1 Introduction
- Features and Benefits
- Transparent Ethernet Bridging with Advanced Filtering for Security and Network Reliability
- IP Routing with Advanced Filtering for Security
- SNMP Management
- SNMP Features
- SNMP Management
- IP-Router Features
- Encryption Features (Add-on Option)
- Wireless Multipoint Protocol
- Additional Functionality for SPEEDLAN 4100 & 4200
- Features
- Chapter 2 Quick Start
- System Description
- Package Contents
- Installation Steps
- Installation Diagram
- Polarizations on a Grid Antenna
- Chapter 3 Hardware
- Upgrading the Firmware
- Chapter 4 Overview of Configurator
- Installation and Setup
- Toolbar and Menus
- Chapter 5 Configuring SPEEDLAN 4100 & 4200
- General Setup
- Interface & Advanced Interface Setup
- The Setup Buttons
- Chapter 6 Bridging Setup
- Bridge Setup
- Chapter 7 Setting Up the IP Addresses (IP Host Setup)
- Part I - Quick Overview of IP Addressing
- Part II - Setting Up the IP Address
- Chapter 8 IP-Router Setup
- IP Routing Setup
- Chapter 9 SNMP Setup
- SNMP Setup
- Chapter 10 System Access Setup
- System Access Setup
- Chapter 11 SNMP Monitoring
- Remote Statistics
- Interface Monitor
- Ethernet-like Interface Monitor
- Campus PRC Station Entries
- 11Mb RF Interface
- SNMP Monitor
- IP Monitor
- IP/TCP/UDP Monitor
- ICMP Monitor
- Chapter 12 Tables
- System Information
- Bridge Learn Table
- IP ARP Table
- IP Route Table
- IP/TCP Connection Table
- IP/UDP Listener Table
- Local IP-Address Table
- Chapter 13 Analyzing Wireless Equipment
- Select Another Device
- Analysis Polling Interval
- Wireless Link Test
- Antenna Alignment
- Glossary for Standard Data Communications
- Glossary for Standard Data Communications
- Appendix Protocols & Ethernet Addresses
- Common Ethernet Protocols
- Common Ethernet Vendor Addresses
- Common Ethernet Multicast Addresses
- Common Ethernet Broadcast Addresses
SPEEDLAN 4100 & 4200 Installation and Operation User Guide
SNMP Monitoring 11-23
ICMP Monitor
The brouter keeps the standard statistics on ICMP as indicated below.
ICMP Messages Received
• Total messages
The total number of ICMP messages which the entity received. Note that this counter
includes all those counted by received Errors.
• Errors
The number of ICMP messages which the entity received but determined as having ICMP-
specific errors (bad checksums, bad length, etc).
• Destination unreachable
The number of ICMP Destination Unreachable messages received.