I have a Problem with my IP Telefon and the Partner want me to monitor the Network with Wireshark. I created a batch to start Wireshark on Startup with the following cmd line:
C:\Programme\wireshark>wireshark -i \Device\NPF_{23EA96D6-BEE6-405B-B124-B6E0D919C34F} -f "net 66.81.246.0/20" -b filesize:10000 -w "C:\Users\EIBL\OneDrive\wiresharklogs\wireshark.pcap" -k --no-promiscuous-mode
The Problem is the /20 on -f "net 66.81.246.0/20" if i do /24 it works but on /22 or less i get an error. Can anybody help me?
did also try "net XXX.XXX.XXX.XXX mask XXX.XXX.XXX.XXX" but i wont work below /22