Avaya 882 사용자 설명서
16-2
User Guide for the Avaya P580 and P882 Multiservice Switches, v6.1
Chapter 16
IPX Datagram Structure
The IPX datagram contains an IPX header and any data to be transferred on
the network. The IPX header is a 30 byte header that contains 10 fields.
the network. The IPX header is a 30 byte header that contains 10 fields.
illustrates a conceptual view of an IPX datagram:
Figure 16-1. IPX Datagram in Detail
See
for a description of the IPX datagram Structure fields:
Table 16-1. IPX Datagram Structure Fields
Field
Definition
Checksum
Provides integrity checking.
Note:
Checksum is normally not enabled in IPX
networks and is usually set to 0xFFFF.
Packet Length
Length (in bytes) of the packet.
Transport Control
Number of routers a packet has traversed. This is used to
discard a packet if the packet traverses a maximum
number of routers (16).
discard a packet if the packet traverses a maximum
number of routers (16).
1 of 2
Checksum (2 bytes)
Transport Control (1 byte)
Packet Type (1 byte)
Destination Network (4 bytes)
Destination Node (6 bytes)
Destination Socket (2 bytes)
Source Network (4 bytes)
Source Node (6 bytes)
Source Socket (2 bytes)
Packet Length (2 bytes)
30 Bytes