Perle Systems IOLINK-520 manual Octet Locations on an IP Routed TCP/IP Frame

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Frame Formats

ETHERNET TYPE CODES

Type Code	Description
0800	DOD IP
0801	X.75 Internet
0804	Chaosnet
0805	X.25 Level 3
0806	ARP
0807	XNS Compatibility
6001	DEC MOP Dump/Load
6002	DEC MOP Remote Console
6003	DEC DECNET Phase IV Route
6004	DEC LAT
6005	DEC Diagnostic Protocol
6006	DEC Customer Protocol
6007	DEC LAVC, SCA
8035	Reverse ARP
803D	DEC Ethernet Encryption
803F	DEC LAN Traffic Monitor
809B	Appletalk
80D5	IBM SNA Service on Ether
80F3	AppleTalk AARP (Kinetics)
8137-8138	Novell, Inc.
814C	SNMP

Octet Locations on an IP Routed TCP/IP Frame

C.2 — IOLINK-PRO & 520 Reference Manual

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Contents Reference Manual IP Routing and the IOLINK-PRO & 520 Routers IOLINK-PRO & 520 RoutersProxy ARP ARP-Address Resolution ProtocolComplete IP Connection IOLINK-PRO & 520 Reference Manua Header Checksum IP Header DetailsProtocol Time to liveRedirect Icmp MessagesOptions UnreachableTime and Mask server PingRIP-Routing Information Protocol Update MechanismRoute Tables IPX Address Format IPX Routing and The IOLINK-PRO & 520 RoutersIPX Addressing Network Layer Addressing vs. MAC AddressingIPX Header Other IPX Header InformationEstablishing an IPX Connection Service Advertisement ProtocolSAP Broadcasts RIP/X Operation Server TypesRouting Information Protocol SAP RequestsRIP/X Requests Bridging and the IOLINK-PRO & 520 RoutersRIP/X Metrics Station Address Learning Initial Bridging ProcessAddress Purging Aging TimerAging Exception Filled Address TableTelnet Iolink Router Feature DefinitionsLink Compression Introduction Multipoint WAN TopologiesBandwidth On Demand Point-to-PointTime of Day Connect Application Operating Software Upgrades Disaster Recovery Backup LinkIsdn Single Active Link & Dual Active Link Wide Area Network Topologies Supported Iolink PRO & 520 Isdn Connection ManagementCall Establishment Methods Auto-Call Time-of-Day Connections Isdn Connection ManagementManual Call Address ConnectCombination Connection ProcessInteresting Traffic Idle TimerProtocol Awareness Suspension ProcessTermination Process Session Keepalive MessagesRIP-Routing Information Protocol IP SpecificsIP Address Connect Suspension of TCP/IP SessionsIPX Serialization Frames IPX SpecificsRIP/IPX and SAP/IPX Suspension of IPX SessionsModule Identification Pinout InformationLink Clocking Information Link Interfaces Reference ATL CSU/DSU Link Module InformationConsole Pinouts T1/E1 Module CSU/DSU ModuleRS232 Link Pinouts 24 & RS232C Link PinoutsDB15 Female DTE Direction Contact Circuits From Number 11 & X.21 Link PinoutsDB25 Female DTE Direction Contact Circuit From Number Name RS442 & RS530 Link PinoutsDB25 Link PinoutsNumber Name 11 RS232 Null-Modem Cable RS232 Null-Modem Cable Configuration12 V.35 Null-Modem Cable Null-Modem Cable Configuration13 RS530 Null-Modem Cable RS530 Null-Modem Cable Configuration14 RS530 to RS449 Conversion Cable RS530 To RS449 Conversion Cable15 V.11/X.21 Null-Modem Cable 11/X.21 Null-Modem Cable ConfigurationWAN Link Control-Signal Operation Event logs Appendix a Event LogsEvent Logs IOLINK-PRO & 520 Reference Manual A.3 Event Logs IOLINK-PRO & 520 Reference Manual A.5 Event Logs IOLINK-PRO & 520 Reference Manual A.7 Event Logs Alarm Logs Event Logs IOLINK-PRO & 520 Reference Manual A.11 Event Logs IOLINK-PRO & 520 Reference Manual A.13 Event Logs IOLINK-PRO & 520 Reference Manual A.15 Event Logs IOLINK-PRO & 520 Reference Manual A.17 Event Logs IOLINK-PRO & 520 Reference Manual A.19 PPP Security Logs Security MAC Address FilteringSecurity-Filter if Destination Programmable FilteringSecurity-Filter if Source Security-Forward if Destination Security-Forward if Source Programmable Filtering Bridge Pattern Filtering Pattern Filter OperatorsProtocol Discrimination IP, and no more Protocol Type FieldInternet Protocol IP Filter all IP PacketsFilter all except TCP/IP Transport Control Protocol / Internet Protocol TCP/IPFilter only TCP/IP Filter all IP without TCP trafficEthernet Multicasting Bandwidth ConservationFilter all DEC Ethernet BroadcastingInternet Addresses General RestrictionsEthernet Station Addresses Mask would be 6-010203040506&12-0800&23-06 Example Mask CombinationsIPX Router Pattern Filtering IP Router Pattern FilteringPage Appendix C Frame Formats Octet Locations on an IP Routed TCP/IP Frame IOLINK-PRO & 520 Reference Manual C.3