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Chapter 5
Applying Cisco's Diagnostic Tools
Flags: 0x00
Status: 0x00
Packet Length:66
Timestamp: 22:11:39.486000 04/18/1999
Ethernet Header
Destination: 00:10:7b:d9:28:81 [0-5]
Source: 00:a0:24:a5:06:57 [6-11]
Protocol Type:08-00 IP [12-13]
IP Header - Internet Protocol Datagram
Version: 4 [14 Mask 0xf0]
Header Length: 5 [14 Mask 0xf]
Precedence: 0 [15 Mask 0xe0]
Type of Service: %000 [15 Mask 0x1c]
Unused: %00 [15 Mask 0x3]
Total Length: 48 [16-17]
Identifier: 17152 [18-19]
Fragmentation Flags: %010 Do Not Fragment [20
Mask 0xe0]
Fragment Offset: 0 [20-22 Mask 0x1fffff]
Time To Live: 128
IP Type: 0x06 TCP [23]
Header Checksum: 0x1923 [24-25]
Source IP Address: 172.16.60.130 [26-29]
Dest. IP Address: 172.16.10.2 [30-33]
No Internet Datagram Options
TCP - Transport Control Protocol
Source Port: 1038 [34-35]
Destination Port: 21 FTP Control - File Transfer
Protocol [36-37]
Sequence Number: 6198340 [38-41]
Ack Number: 0 [42-45]
Offset: 7 [46 Mask 0xf0]
Reserved: %000000 [46 Mask 0xfc0]
Code: %000010 [47 Mask 0x3f]
Synch Sequence
Window: 8192 [48-49]
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