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arp arp.src.proto_ipv4 wildcard search?


Use case: identify what gateway servers on a number of different VLANs use, by identifying what GW the servers ARP for. This is needed since the GW must change IP address prior to a larger network migration.

I know I can see the details I'm after by using the field "arp.src.proto_ipv4", but my problem is that I can't search on this using wildcards.

As far as I can tell ( the field is simply an IPv4 address field, so I'm unable to use the "matches" keyword which would've given me the opportunity to use regex.

I need to know which servers ARP for a GW IP that ends with ".12", so essentially a display filter such as "arp.src.proto_ipv4 == ..*.12" is what I'm looking for.

Any and all help much appreciated!