Packet Formats

Chose the protocols you are using at each later from the form below:-

Link Layer Ethernet ATM AAL5-SNAP
Tunneling None GRE/IP L2TP
IP Security None ESP/IP ESP/UDP
Network Layer IPv4
IP Options
Blah
IPv6
Transport Layer TCP
TCP Options
TCP Window Scaling
Window Scaling
UDP

This is what your packet will look like. Hover the mouse over any field for a description of it

The destination MAC address

The source MAC address

In an Ethernet II frame (the most common type), this field indicates the payload type. A value of 0x800 indicates an IP packet

The IP version number. 4 for IPv4 packets (duh !!)

Internet Header Length in 32-bit "words". An IP header with no options contains 20 bytes or 5 words, so the minimum value of this field is 5

An identifier used to associate individual fragments of a fragmented packet with each other

The IP Type of Services. Click on the field to see a detailed explanation.


:-)
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