IP Header Flashcards
1
Q
IPv4 packet Structure
A
Version
IHL
(DSCP, ECN)
TL
ID
Flags
Frag offset
TTL
Protocol
Header Checksum
Source addr
Dest addr
Options
Padding
2
Q
IP Version header size
A
4 bits
3
Q
IHL size
A
4 bits
4
Q
TL size
A
16 bits
5
Q
TTL size
A
8 bits
6
Q
IP header Protocol size
A
8 bits
7
Q
Header checksum size
A
16 bits
8
Q
Options size
A
0 - 320 bits
9
Q
Flags size
A
3 bits
10
Q
Fragment offset size
A
13 bits
11
Q
ID size
A
16 bits
12
Q
Minimum IPv4 header length
A
20 bytes
13
Q
Maximum IPv4 header size
A
60 bytes
14
Q
IHL min, max values
A
5, 15
15
Q
TL min, max values
A
20
65,535
