Consider the following screenshot of LAN topology:
LAN topology
In the preceding scenario, assume PC1 is trying to reach PC2:
- Trigger ping probes from PC1 (10.1.1.101) to PC2 (10.1.1.102). This will trigger an ARP request from PC1 to PC2.
- Check the ARP table on PC1 using arp-a, to see whether the MAC address for 10.1.1.102 is populated in the local table.
- If you see the MAC address for 10.1.1.102 in the PC1 local table, that confirms that PC1 sent the ARP request and received the ARP response from PC2.
- If you don't see the MAC address for 10.1.1.102 in PC1, connect Wireshark to one of the free ports on Switch and capture the ...