Iperf udp test and drop packets

The agx development board connects the laptop directly through a network cable.
agx version R32.4.3
laptop ubuntu 18.04 ip:192.168.1.59
iperf soft version 2.0.10 ip:192.168.1.112

test1:
Both the laptop and the agx are gigabit network port configurations
agx sender:iperf -c 192.168.1.59 -t 100 -i 2 -b 10M -u
laptop recv: iperf -s -u -i 2
result:10.5Mbits/sec 0/89166 No packet loss

laptop sender:iperf -c 192.168.1.112 -t 100 -i 2 -b 10M -u
agx recv: iperf -s -u -i 2
result:10.5Mbits/sec 0/89166 No packet loss

Because the project is connected to a 100 Mbit/s wireless device, agx is forcibly set to 100 Mbit/s network port by the following command . The test notebook is also directly connected to agx,and 100Mbit/s.
ethtool -s eth0 autoneg off speed 100 duplex full
test2:
Both the laptop and the agx are 100Mbit/s network port configurations
agx sender:iperf -c 192.168.1.59 -t 100 -i 2 -b 10M -u
laptop recv: iperf -s -u -i 2
result:10.5Mbits/sec 0/89166 No packet loss

laptop sender:iperf -c 192.168.1.112 -t 100 -i 2 -b 10M -u
agx recv: iperf -s -u -i 2
result:10.5Mbits/sec 22/89166 Lost packet



test2:
Both the laptop and the agx are 100Mbit/s network port configurations
agx sender:iperf -c 192.168.1.59 -t 100 -i 2 -b 50M -u
laptop recv: iperf -s -u -i 2
result:52.4Mbits/sec 0/445824 No packet loss

laptop sender:iperf -c 192.168.1.112 -t 100 -i 2 -b 50M -u
agx recv: iperf -s -u -i 2
result:52.4Mbits/sec 76/445824 Lost packet


Rel-32.4.3 seems very old. Suggest to upgrade to new jetpack release.

We just had another user telling jp4.6.2 is fine.

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