Testing multicast with iperf

gistfile1.txt

this is a sample of output:

root@percona-db-2:~# iperf -s -u -B 226.94.1.1 -i 1
------------------------------------------------------------
Server listening on UDP port 5001
Binding to local address 226.94.1.1
Joining multicast group  226.94.1.1
Receiving 1470 byte datagrams
UDP buffer size:   122 KByte (default)
------------------------------------------------------------
[  3] local 226.94.1.1 port 5001 connected with 212.11.66.254 port 49525
[ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total
Datagrams
[  3]  0.0- 1.0 sec    128 KBytes  1.05 Mbits/sec  0.037 ms    0/   89
(0%)
[  3]  1.0- 2.0 sec    128 KBytes  1.05 Mbits/sec  0.020 ms    0/   89
(0%)
[  3]  2.0- 3.0 sec    128 KBytes  1.05 Mbits/sec  0.021 ms    0/   89
(0%)
[  3]  0.0- 3.0 sec    386 KBytes  1.05 Mbits/sec  0.022 ms    0/  269
(0%)
^C


root@percona-prm:~# iperf -c 226.94.1.1 -u -T 32 -t 3 -i 1
------------------------------------------------------------
Client connecting to 226.94.1.1, UDP port 5001
Sending 1470 byte datagrams
Setting multicast TTL to 32
UDP buffer size:   122 KByte (default)
------------------------------------------------------------
[  3] local 212.11.66.254 port 49525 connected with 226.94.1.1 port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0- 1.0 sec    129 KBytes  1.06 Mbits/sec
[  3]  1.0- 2.0 sec    128 KBytes  1.05 Mbits/sec
[  3]  2.0- 3.0 sec    128 KBytes  1.05 Mbits/sec
[  3]  0.0- 3.0 sec    386 KBytes  1.05 Mbits/sec
[  3] Sent 269 datagrams

It works with iperf-2.0.12. Thanks Bob

Hi Bob, Please share if you have fix ready to add the multiple group joins. Will iperf-2.0.12 for multiple group joins?

I haven't coded this up yet. It won't be releases with 2.0.12 but rather in 2.0.13

Bob