What is 'oui Unknown' message seen in tcpdump ?
Issue
oui Unknownis seen in tcpdump logs like show below:
# tcpdump -vvv arp -i eth0
10:37:06.660718 arp who-has HOSTNAMEAA tell HOSTNAMEBB
10:37:06.661012 arp reply HOSTNAMEAA is-at 00:50:56:xx:xx:xx (oui Unknown)
- What is its meaning ?
Environment
- Red Hat Enterprise Linux (All versions )
- tcpdump
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