iftop -i eth1 -F
iptraf
slurm


dnstop      DNS Anfragen messen
darkstat
bandwidthd

Server:
iperf3 -s -p 5555
Client (Upload to Server):
iperf3 -c -p 5555 <server>
Client Download
iperf3 -R -c -p 5555 <server>


Shaping:
--------------------------------------------------------------------------------
Ausgehendes Interface!!
Alles entfernen
# tc qdisc del root dev eth0
# tc qdisc add dev eth0 root handle 1:0 htb default 10 r2q 6
# tc class add dev eth0 parent 1:0 classid 1:1 htb rate 10mbit ceil 10mbit
# tc class add dev eth0 parent 1:1 classid 1:10 htb rate 10mbit ceil 10mbit prio 0


Degrading:
________________________________________________________________________________

Network Delay
# tc qdisc add dev eth0 root netem delay 100ms

Random Network Delay
# tc qdisc change dev eth0 root netem delay 100ms 10ms

Packet Loss
# tc qdisc change dev eth0 root netem loss 0.1%
# tc qdisc change dev eth0 root netem loss 0.3% 25%


Check MTU
--------------------------------------------------------------------------------
ping -M do -s 1460 8.8.8.8
iperf -c 10.1.9.36 -s 1460