How to capture/sniff ICMPv6 traffic on MikroTik RouterOS

Problem:

On RouterOS up to at least v7.4.1 you can’t select ICMPv6 as IP protocol in the Tools -> Packet Sniffer MikroTik RouterOS packet sniffer showing IP protocol dropdown without ICMPv6 option If you select icmp, you will not sniff any ICMPv6 traffic.

Solution

The solution is to enter the ICMPv6 IP protocol ID - 58 - into the IP protocol field manually:

MikroTik RouterOS packet sniffer with ICMPv6 protocol ID 58 entered manually

After that, ensure that you apply the settings. You can start sniffing ICMPv6 traffic immediately.


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