ntt 线路 udp 连接，高峰期是否炸？

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RT，

用 iperf3 tcp 测，速度会跳来跳去，说明线路极其不稳定。
改 udp 测，没有出现跳的情况。
不知道稳定性如何。

udp

线路

ntt

iperf3

4 replies • 2021-09-23 19:40:25 +08:00

nbsn

Sep 18, 2021

udp 测要改小 mtu，否则不能标明真实情况

Sekai

Sep 18, 2021

ntt = tnt

gesse

Sep 23, 2021

请用
iperf3 -c x.x.x.x -R -u -b 10M -l 1024
测试

guanyin9cn

Sep 23, 2021

@gesse
加了 -l 好像更准一些，
[root@x6 /mnt/jffs2/hw] # iperf3 -c xxxx -p xx -R -u -b 200M -l 1024
Connecting to host jp.clayme.tk, port xx
Reverse mode, remote host xxxxx is sending
[ ID] Interval Transfer Bitrate Jitter Lost/Total Datagrams
[ 5] 0.00-1.01 sec 19.9 MBytes 166 Mbits/sec 0.027 ms 4367/24752 (18%)
[ 5] 1.01-2.01 sec 11.6 MBytes 96.9 Mbits/sec 0.038 ms 12583/24413 (52%)
[ 5] 2.01-3.01 sec 11.7 MBytes 98.3 Mbits/sec 0.030 ms 12417/24413 (51%)
[ 5] 3.01-4.01 sec 11.7 MBytes 98.0 Mbits/sec 0.027 ms 12434/24394 (51%)
[ 5] 4.01-5.00 sec 11.7 MBytes 98.3 Mbits/sec 0.025 ms 12417/24412 (51%)
[ 5] 5.00-6.00 sec 11.7 MBytes 98.3 Mbits/sec 0.022 ms 12415/24415 (51%)
[ 5] 6.00-7.00 sec 11.7 MBytes 98.3 Mbits/sec 0.033 ms 12410/24408 (51%)
[ 5] 7.00-8.00 sec 11.7 MBytes 98.3 Mbits/sec 0.040 ms 12393/24393 (51%)
[ 5] 8.00-9.00 sec 11.7 MBytes 98.3 Mbits/sec 0.030 ms 12415/24414 (51%)
[ 5] 9.00-10.00 sec 11.7 MBytes 98.3 Mbits/sec 0.026 ms 12416/24416 (51%)