Hi all,

I want the exact command for generating UDP/IPv6, TCP/IPv6 traffic using iperf 2.0.4.

currently the command i used is

iperf -s -V (in server side)

iperf -c <inet6 address> -V (in client side)

but it is not working, it is showing some error message and client is stopped, that message is shown below

[root@new-host-8 ~]# iperf -c fe80::216:17ff:feba:59e0 -u -i 1
write2 failed: Destination address required
------------------------------------------------------------
Client connecting to fe80::216:17ff:feba:59e0, UDP port 5001
Sending 1470 byte datagrams
UDP buffer size: 108 KByte (default)
------------------------------------------------------------
[ 3] local 0.0.0.0 port 0 connected with :: port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0- 0.0 sec 0.00 Bytes 0.00 bits/sec
[ 3] Sent 0 datagrams
[ 3] WARNING: did not receive ack of last datagram after 10 tries.


kindly help me, i have to complete my work.

thanks in advance

Senthil.

Start by reading the error message. It says you need to provide a destination address, so check the syntax of your command, and give it what it's asking for.

Which machine (client or server), are you running this command on?

This message is from the client machine, actually i am giving the destination inet6 address you can see in the capture (after -c fe80..).

so i am providing the exact format to be followed for iperf.