Document Outline

• IOLINK-520 & IOLINK-PRO Reference Manual
• Introduction
  • The IOLINK-PRO & 520 Routers
  • IP Routing and the IOLINK-PRO & 520 Routers
    • ARP—Address Resolution Protocol
    • Proxy ARP
    • The Complete IP Connection
    • IP Header Details
      • Protocol
      • Time to live
      • Header Checksum
      • Fragmentation
      • Options
        • Source Routing
        • Route Recording
        • Time Stamps
    • ICMP Messages
      • Unreachable
      • Redirect
      • Quench
      • Ping
      • Time and Mask server
    • RIP—Routing Information Protocol
      • Route Tables
      • Update Mechanism
  • IPX Routing and The IOLINK-PRO & 520 Routers
    • IPX Addressing
      • Network Layer Addressing vs. MAC Addressing
      • IPX Address Format
        • Network Addresses
        • Node Addresses
        • Socket Addresses
      • Other IPX Header Information
    • Establishing an IPX Connection
    • Service Advertisement Protocol
      • SAP Broadcasts
      • SAP Requests
    • Server Types
    • Routing Information Protocol
      • RIP/X Operation
      • RIP/X Broadcasts
      • RIP/X Requests
      • RIP/X Metrics
  • Bridging and the IOLINK-PRO & 520 Routers
    • The Initial Bridging Process
      • Station Address Learning
        • Learning Local Addresses
        • Forwarding
        • Local Destination Addresses
        • Forwarding Unknown Destination Addresses
        • Unknown Location Update
    • Aging Timer
      • Address Purging
      • Aging Exception
    • Filled Address Table
  • IOLINK Router Feature Definitions
    • Telnet
    • Link Compression
    • WAN Topologies
      • Point-to-Point
      • Multipoint
    • Bandwidth On Demand
      • Time of Day Connect Application
        • Point-to-Point
        • Multipoint
    • Disaster Recovery Backup Link
    • ISDN Single Active Link & Dual Active Link
    • Operating Software Upgrades
• ISDN Connection Management
  • IOLINK PRO & 520 ISDN Connection Management
    • Wide Area Network Topologies Supported
    • Call Establishment Methods
      • Auto-Call (Time-of-Day Connections)
      • Address Connect
      • Manual Call
      • Combination
    • Connection Process
      • Protocol Awareness
      • Suspension Process
      • Interesting Traffic
      • Idle Timer
      • IOLINK Session Participation (Spoofing)
      • Termination Process
    • IP Specifics
      • IP Address Connect
      • Suspension of TCP/IP Sessions
      • RIP—Routing Information Protocol
    • IPX Specifics
      • RIP/IPX and SAP/IPX
      • Suspension of IPX Sessions
        • Server IPX Watchdog Frames
        • Client IPX Watchdog Frames
      • IPX Serialization Frames
• Link Interfaces Reference
  • Pinout Information
  • V.35 Module Identification:
  • Link Clocking Information
  • ATL CSU/DSU Link Module Information
  • Console Pinouts
  • CSU/DSU Module:
  • T1/E1 Module:
  • V.24 & RS232C Link Pinouts
  • V.11 & X.21 Link Pinouts
  • RS442 & RS530 Link Pinouts
  • V.35 Link Pinouts
  • RS232 Null-Modem Cable Configuration
  • V.35 Null-Modem Cable Configuration
  • RS530 Null-Modem Cable Configuration
  • RS530 To RS449 Conversion Cable
  • V.11/X.21 Null-Modem Cable Configuration
  • WAN Link Control-Signal Operation
• Appendix A - Event Logs
  • Event logs:
  • Alarm Logs:
  • PPP Security Logs:
• Appendix B - Programmable Filtering
  • MAC Address Filtering
    • Security
      • Security—“Filter if Destination”
      • Security—“Filter if Source”
      • Security—“Forward if Destination”
      • Security—“Forward if Source”
  • Pattern Filter Operators
  • Bridge Pattern Filtering
    • Protocol Discrimination
      • Protocol Type Field
      • Internet Protocol (IP)
        • Filter all IP Packets
        • IP, and no more
      • Transport Control Protocol / Internet Protocol (TCP/IP)
        • Filter only TCP/IP
        • Filter all IP without TCP traffic
        • Filter all except TCP/IP
      • Local Area Transport (LAT)
        • Filter all LAT
        • Filter all but LAT
      • DEC
        • Filter all DEC
    • Bandwidth Conservation
      • Ethernet Broadcasting
      • Ethernet Multicasting
    • General Restrictions
      • Internet Addresses
      • Ethernet Station Addresses
      • Mask Combinations
  • IP Router Pattern Filtering
    • Protocol Discrimination
  • IPX Router Pattern Filtering
• Appendix C - Frame Formats
  • Octet Locations on a Bridged TCP/IP Frame
  • Octet Locations on a Bridged Novell Netware Frame
  • ETHERNET TYPE CODES
  • Octet Locations on an IP Routed TCP/IP Frame
  • Octet Locations on an IPX Routed Novell Netware Frame
  • Octet Locations on a Bridged XNS Frame