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["Edgard" <>]

Hi all!

I have a question about how to allow access to the iperf3 service using UDP in a CPE with RARE/freeRtr.

I used the ssh2host forwarder as an example, to release access to iperf3.

server forwarder iperf32host
  port 5201
  target vrf inet
  target address 10.255.255.1
  target port 5201
  vrf inet
  exit

And it works with TCP.

iperf3 -c 192.168.15.4
Connecting to host 192.168.15.4, port 5201
[ 5] local 192.168.15.7 port 56962 connected to 192.168.15.4 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 1.16 MBytes 9.71 Mbits/sec 0 51.0 KBytes
[ 5] 1.00-2.00 sec 1008 KBytes 8.26 Mbits/sec 0 51.0 KBytes
[ 5] 2.00-3.00 sec 672 KBytes 5.50 Mbits/sec 0 51.0 KBytes
[ 5] 3.00-4.00 sec 912 KBytes 7.47 Mbits/sec 0 51.0 KBytes
[ 5] 4.00-5.00 sec 912 KBytes 7.47 Mbits/sec 0 51.0 KBytes
[ 5] 5.00-6.00 sec 720 KBytes 5.90 Mbits/sec 0 51.0 KBytes
[ 5] 6.00-7.00 sec 792 KBytes 6.49 Mbits/sec 0 51.0 KBytes
[ 5] 7.00-8.00 sec 960 KBytes 7.86 Mbits/sec 0 51.0 KBytes
[ 5] 8.00-9.00 sec 696 KBytes 5.70 Mbits/sec 0 51.0 KBytes
[ 5] 9.00-10.00 sec 912 KBytes 7.47 Mbits/sec 0 51.0 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID ] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 8.56 MBytes 7.18 Mbits/sec 0 sender
[ 5] 0.00-10.00 sec 8.37 MBytes 7.02 Mbits/sec receiver

But not with UDP.

iperf3 -c 192.168.15.4 -u
Connecting to host 192.168.15.4, port 5201
iperf3: error - unable to read from stream socket: Connection refused
 
The main objective is to test the performance between the nodes of a topology. Maybe there's a better way to do it, but that's the way I found it.

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