Practical Packet Analysis: Using Wireshark to Solve Real-World Network Problems by Chris Sanders

Practical Packet Analysis: Using Wireshark to Solve Real-World Network Problems by Chris Sanders

Author:Chris Sanders
Language: eng
Format: mobi, azw3, epub, pdf
Tags: Reference:Computers
ISBN: 9781593271497
Publisher: No Starch Press
Published: 2011-01-14T21:29:33.213000+00:00


Figure 6-31. The first ping packet, packet 1

Common sense tells us that if a computer sends an echo request, it should receive an echo reply, and that's just what we see in the capture file. Packet 2 is transmitted back from the remote computer and is marked as ICMP type 0, an echo (ping) reply.

A standard ping from a Windows command line pings a host four times. You can see the ping process in the capture file and in Figure 6-32, as well. The first ping destination, 192.168.0.1, receives and replies to four pings. Following this, another ping is initiated to 72.14.207.99 (http://www.google.com), which also receives and replies to four pings.



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