Traceroute with MTU discovery

Combine traceroute and ping; TCP mode to bypass ICMP blocks

mtr --report --tcp --port 443 example.com
tool
linux133 commands
tags
linuxnetworkdebug

More linux commands

  • Test MTU path
    ping -M do -s 1472 -c 3 8.8.8.8

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

  • Show iptables rules
    iptables -L -n -v --line-numbers

    All filter table rules with packet counters and line numbers

  • Show nftables ruleset
    nft list ruleset

    Full nftables ruleset in human-readable form

  • Check network bandwidth
    iperf3 -c <server_ip> -t 10 -P 4

    Measure TCP throughput with 4 parallel streams for 10 seconds

  • Monitor network traffic live
    iftop -i eth0 -n

    Real-time bandwidth per connection on an interface

all 133 linux commands