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Reference.bok : AppendixD 126 Wed Apr 22 10:58:08 1998
126
Appendix D
IP Frame Formats
IP packets
The frame format of an IP packet is as follows:
IP Ethernet Type
header
An IP Ethernet Type header looks like this:
IP header
Version
4 bits
Internet Header Length (ILH)
4 bits
Type of service
1 byte
Total length
2 bytes
Identification
2 bytes
Flags
3 bits
Fragment offset
13 bits
Time to live
1 byte
Protocol
1 byte
Header checksum
2 bytes
Source address
4 bytes
Destination address
4 bytes
Options (if any)
-
Data
Destination Address
6 bytes
Source Address
6 bytes
Frame Type
2 bytes = 0800
Содержание ER8100STUS - Express 8100 Router
Страница 1: ...Intel Express 8100 Router Reference Manual...
Страница 12: ...Part I LAN and WAN Links and Services...
Страница 57: ...Part II IP Novell IPX and Bridging Services...
Страница 58: ......
Страница 128: ...Appendices...