March 2018
Intermediate to advanced
626 pages
17h 32m
English
book
Network Analysis Using Wireshark 2 Cookbook - Second Edition
by Nagendra Kumar Nainar, Yoram Orzach, Yogesh Ramdoss
Content preview from Network Analysis Using Wireshark 2 Cookbook - Second Edition
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How to do it...
Consider the following screenshot of IPv4 topology and closely observe the Ping probe:
IPv4 topology
In the preceding diagram, when a Ping probe is triggered from PC1 to PC2, there will not be any change in IP or Ethernet header from PC1 to PC2 as they both are in same LAN:
- Trigger a Ping probe from PC1 (10.1.100.101) to PC2 (10.1.100.102). This will generate an ICMP echo request message from PC1 to PC2.
- If there is no echo reply from PC2, make sure that the MAC address for PC2 is populated in the local ARP cache table.
- Connect Wireshark to one of the free ports on SW1 and capture the packets (port mirroring):
ICMP packet ...
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