Avamar: How to run iperf between two Avamar grids to test network throughput performance

Summary: This article explains how to run the iperf3 tool between two Avamar grids in order to test network throughput performance.

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Instructions

Note: For this article, the first Avamar grid name is "avamar-moo.company.com" and the second Avamar grid is "avamar-cow.company.com"
  • "moo.company.com" is the "iperf server"
  • "cow.company.com" is the "iperf client"
 

1. Log in to the first Avamar grid (the "iperf server") as admin, and run the following command: 

iperf3 -s -i 1


2. Leave the command above running.

3. Log in to the second Avamar grid as (the "iperf client") admin, and run the following command:

iperf3 -c <avamar-source-iperf-server> A -i 1


4. Let the command run for 10 seconds, then end with a CTRL-C.  

 

Example output seen on "avamar-moo.company.com": (the "iperf server"):

admin@avamar-moo:~/>: iperf3 -s -i 1
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
Accepted connection from 10.x.x.152, port 44660
[  5] local 10.x.x.141 port 5201 connected to 10.x.x.152 port 44662
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec   110 MBytes   925 Mbits/sec
[  5]   1.00-2.00   sec   112 MBytes   937 Mbits/sec
[  5]   2.00-3.00   sec   112 MBytes   942 Mbits/sec
[  5]   3.00-4.00   sec   112 MBytes   941 Mbits/sec
[  5]   4.00-5.00   sec   112 MBytes   942 Mbits/sec
[  5]   4.00-5.00   sec   112 MBytes   942 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-5.00   sec   593 MBytes   994 Mbits/sec                  receiver
iperf3: the client has terminated
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
iperf3: interrupt - the server has terminated
^C
 

Example output seen on "avamar-cow.company.com" (the "iperf client"):

admin@avamar-cow:~/>: iperf3 -c ave-moo -i 1
Connecting to host avamar-moo, port 5201
[  5] local 10.x.x.152 port 44662 connected to 10.x.x.141 port 5201
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec   114 MBytes   958 Mbits/sec    0    672 KBytes
[  5]   1.00-2.00   sec   112 MBytes   944 Mbits/sec    0    738 KBytes
[  5]   2.00-3.00   sec   111 MBytes   933 Mbits/sec    0    738 KBytes
[  5]   3.00-4.00   sec   112 MBytes   944 Mbits/sec    0    782 KBytes
[  5]   4.00-5.00   sec   112 MBytes   944 Mbits/sec    0    782 KBytes
[  5]   5.00-5.29   sec  32.5 MBytes   936 Mbits/sec    0    782 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-5.29   sec   595 MBytes   944 Mbits/sec    0             sender
[  5]   0.00-5.29   sec  0.00 Bytes   0.00 bits/sec                   receiver
iperf3: interrupt - the client has terminated

 

Additional Information

When running the tests on Avamar, the connection attempt may time out if the firewall (avfirewall) service is running:

admin@ave-cow:~/>: iperf3 -c ave-moo -i 1
connect failed: Connection timed out
 

If this occurs, temporarily disable the firewall on both Avamar grids:

To stop the firewall service, run the following command as root:

systemctl stop avfirewall

To restart the firewall service, run the following command as root:

systemctl start avfirewall

Affected Products

Avamar, Avamar Server
Article Properties
Article Number: 000009612
Article Type: How To
Last Modified: 20 Aug 2025
Version:  10
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