To Emulate network traffic we will be using this command

To Emulate network traffic we will be using this command

tc qdisc change dev eth0 root netem loss 0%

if above command output will show

RTNETLINK answers: No such file or directory

Then we have to use this command to add the same .

tc qdisc add dev eth0 root netem loss 0%.

Examples:

[root@revplus2 ~]# tc qdisc change dev eth0 root netem loss 0%

[root@revplus2 ~]# ping 172.19.1.1

PING 172.19.1.1 (172.19.1.1) 56(84) bytes of data.

64 bytes from 172.19.1.1: icmp_seq=1 ttl=255 time=2.81 ms

64 bytes from 172.19.1.1: icmp_seq=2 ttl=255 time=0.586 ms

64 bytes from 172.19.1.1: icmp_seq=3 ttl=255 time=1.35 ms

^C

--- 172.19.1.1 ping statistics ---

3 packets transmitted, 3 received, 0% packet loss, time 2990ms

rtt min/avg/max/mdev = 0.586/1.583/2.810/0.922 ms

[root@revplus2 ~]#