Test MTU path linux

Send DF-bit ping of 1500-byte frames to detect MTU issues

ping -M do -s 1472 -c 3 8.8.8.8
#linux #network #debug
more linux all 133 commands →
Show iptables rules iptables -L -n -v --line-numbers Show nftables ruleset nft list ruleset Check network bandwidth iperf3 -c <server_ip> -t 10 -P 4 Monitor network traffic live iftop -i eth0 -n Show kernel version uname -r && uname -a