Black Box LRS002A-R2, LRA005A-R2 manual IPX Addresses, Reserved Destination Socket Numbers, 189

ASYNC ROUTER AR-P, AR-5, AND SYNC ROUTER REFERENCE MANUAL

3.2 IPX Addresses

IPX addresses uniquely identify a particular node on an IPX network. IPX addresses are represented as:

net.node.socket

net—Uniquely identifies an IPX network with a number. This IPX network number is specified in 8- digit hexadecimal format. The range of valid IPX network numbers for Router command-line parameters is 1 to fffffffe. The IPX network number 0 is reserved for this network and should not be used in any Router commands. The IPX network number ffffffff is reserved for broadcast and should not be used in any Router commands.

node—Represents the Media Access Control (MAC) protocol address of an IPX node. For Ethernet, it is the Ethernet address. The node number is a 12-digit hexadecimal number.

socket—A 4-digit hexadecimal number in the range of 1 to fffe. The socket specifies the process within a router or NetWare server to which a packet will be sent. Leading zeros are not required. Missing fields default to zero, which implies a wild-card condition.

Example IPX addresses

3.00801b0271ee.453

Packets with this destination address will be sent to IPX network 3, Ethernet address 00:80:1b:02:71:ee, RIP process socket 453.

1993.02cf1f800022.452

Packets with this destination address will be sent to IPX network 1993, Ethernet address 02:cf:1f:80:00:22, SAP process socket 452.

3.3 Reserved Destination Socket Numbers

The destination socket field contains the socket number of the packet’s destination process. Sockets are used to route packets to different processes within a single node. Table B-1 lists the reserved socket numbers in NetWare:

Table B-1. Reserved Destination Socket Numbers.

Socket Number	Socket Process
0451h	NetWare Core Protocol process (NCP)
0452h	Service Advertising Protocol process (SAP)
0453h	Routing Information Protocol process (RIP)
0455h	Novell NetBIOS process
0456h	Diagnostics process
4000h-7FFFh	Dynamic Sockets: used by workstations
8000h-FFFFh	Assigned by Novell

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