r2 - 12 Oct 2007 - 13:45:03 - DimitriosKatramatosYou are here: TWiki >  Admins Web > NetworkTestBetweenBNLandMWT2

NetworkTestBetweenBNLandMWT2

Test Between BNL and University of Chicago.

Tuning on 21 Sep 2007

Network test between BNL and University of Chicago.

-- Main.DantongYu - 21 Sep 2007
[root@dct00 ~]# ethtool -k eth1
Offload parameters for eth1:
rx-checksumming: on
tx-checksumming: on
scatter-gather: on
tcp segmentation offload: on


[root@dct00 ~]# ethtool -g eth1
Ring parameters for eth1:
Pre-set maximums:
RX:             4096
RX Mini:        0
RX Jumbo:       0
TX:             4096
Current hardware settings:
RX:             512
RX Mini:        0
RX Jumbo:       0
TX:             512

[root@dct00 ~]#  iperf -s -w 4MB -i 4
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[  4] local 192.12.15.8 port 5001 connected with 128.135.158.238 port 34433
[  4]  0.0- 4.0 sec  25.3 MBytes  53.1 Mbits/sec
[  4]  4.0- 8.0 sec  26.9 MBytes  56.4 Mbits/sec
[  4]  8.0-12.0 sec  26.9 MBytes  56.4 Mbits/sec
[  4] 12.0-16.0 sec  26.6 MBytes  55.7 Mbits/sec
[  4] 16.0-20.0 sec  26.7 MBytes  55.9 Mbits/sec
[  4] 20.0-24.0 sec  27.2 MBytes  57.0 Mbits/sec
[  4] 24.0-28.0 sec  26.8 MBytes  56.1 Mbits/sec
[  4] 28.0-32.0 sec  26.7 MBytes  56.0 Mbits/sec
[  4] 32.0-36.0 sec  26.9 MBytes  56.4 Mbits/sec
[  4] 36.0-40.0 sec  26.9 MBytes  56.4 Mbits/sec
[  4] 40.0-44.0 sec  27.4 MBytes  57.4 Mbits/sec
[  4] 44.0-48.0 sec  27.6 MBytes  58.0 Mbits/sec
[  4] 48.0-52.0 sec  27.5 MBytes  57.7 Mbits/sec
[  4] 52.0-56.0 sec  28.0 MBytes  58.8 Mbits/sec
[  4] 56.0-60.0 sec  27.2 MBytes  57.1 Mbits/sec
[  4]  0.0-60.0 sec    405 MBytes  56.5 Mbits/sec

After UC made network performance tuning. 

[  4] local 192.12.15.8 port 5001 connected with 128.135.158.238 port 34814
[  4]  0.0- 4.0 sec    370 MBytes    777 Mbits/sec
[  4]  4.0- 8.0 sec    280 MBytes    587 Mbits/sec
[  4]  8.0-12.0 sec    364 MBytes    764 Mbits/sec
[  4] 12.0-16.0 sec    449 MBytes    941 Mbits/sec
[  4] 16.0-20.0 sec    330 MBytes    691 Mbits/sec
[  4] 20.0-24.0 sec    365 MBytes    765 Mbits/sec
[  4] 24.0-28.0 sec    449 MBytes    941 Mbits/sec
[  4] 28.0-32.0 sec    332 MBytes    697 Mbits/sec
[  4] 32.0-36.0 sec    449 MBytes    941 Mbits/sec
[  4] 36.0-40.0 sec    365 MBytes    766 Mbits/sec
[  4] 40.0-44.0 sec    449 MBytes    941 Mbits/sec
[  4] 44.0-48.0 sec    336 MBytes    704 Mbits/sec
[  4] 48.0-52.0 sec    276 MBytes    578 Mbits/sec
[  4] 52.0-56.0 sec    393 MBytes    825 Mbits/sec
[  4] 56.0-60.0 sec    307 MBytes    643 Mbits/sec
[  4]  0.0-60.2 sec  5.39 GBytes    769 Mbits/sec

[root@dct00 networktest]# diff ethtool-S-eth1 ethtool-S-eth1-after 
2,5c2,5
<      rx_packets: 336906150
<      tx_packets: 472018579
<      rx_bytes: 422471354
<      tx_bytes: 1127743202
---
>      rx_packets: 341048254
>      tx_packets: 473242704
>      rx_bytes: 2413624457
>      tx_bytes: 1214142946
9c9
<      multicast: 4821048
---
>      multicast: 4821235
36,37c36,37
<      rx_long_byte_count: 249530574522
<      rx_csum_offload_good: 328437561
---
>      rx_long_byte_count: 255816694921
>      rx_csum_offload_good: 332579363


[root@dct00 networktest]# iperf -c  uct2-dc1.uchicago.edu  -w 4MB -t 60 -i 4
------------------------------------------------------------
Client connecting to uct2-dc1.uchicago.edu, TCP port 5001
TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[  3] local 192.12.15.8 port 40401 connected with 128.135.158.238 port 5001
[  3]  0.0- 4.0 sec    256 MBytes    538 Mbits/sec
[  3]  4.0- 8.0 sec    444 MBytes    932 Mbits/sec
[  3]  8.0-12.0 sec    448 MBytes    940 Mbits/sec
[  3] 12.0-16.0 sec    449 MBytes    941 Mbits/sec
[  3] 16.0-20.0 sec    448 MBytes    940 Mbits/sec
[  3] 20.0-24.0 sec    450 MBytes    944 Mbits/sec
[  3] 24.0-28.0 sec    449 MBytes    943 Mbits/sec
[  3] 28.0-32.0 sec    448 MBytes    940 Mbits/sec
[  3] 32.0-36.0 sec    448 MBytes    940 Mbits/sec
[  3] 36.0-40.0 sec    449 MBytes    941 Mbits/sec
[  3] 40.0-44.0 sec    449 MBytes    942 Mbits/sec
[  3] 44.0-48.0 sec    451 MBytes    945 Mbits/sec
[  3] 48.0-52.0 sec    448 MBytes    940 Mbits/sec
[  3] 52.0-56.0 sec    449 MBytes    941 Mbits/sec
[  3] 56.0-60.0 sec    448 MBytes    940 Mbits/sec
[  3]  0.0-60.0 sec  6.38 GBytes    914 Mbits/sec

Test Between BNL and Indiana University


[root@dct00 ~]# tracepath  149.165.225.214
 1:  dct00.usatlas.bnl.gov (192.12.15.8)                    0.181ms pmtu 1500
 1:  hsrp.usatlas.bnl.gov (192.12.15.24)                    0.444ms 
 2:  bnlmr1-bnlsite.es.net (198.124.216.177)                0.418ms 
 3:  aoacr1-bnlmr1.es.net (134.55.217.58)                 asymm  4   2.316ms 
 4:  chiccr1-aofacr1.es.net (134.55.218.93)               asymm  5  29.279ms 
 5:  chislsdn1-chicr1.es.net (134.55.207.34)              asymm  6  29.285ms 
 6:  chislmr1-chislsdn1.es.net (134.55.219.26)             29.407ms 
 7:  star-esnet.abilene.iu.edu (198.125.140.230)          asymm  8  29.660ms 
 8:  ge-0-0-0.2063.rtr.ictc.indiana.gigapop.net (149.165.254.2) asymm  9  34.156ms 
 9:  149.165.254.250 (149.165.254.250)                     45.525ms 
10:  no reply
11:  no reply
12:  no reply
13:  no reply
14:  no reply
15:  no reply
16:  no reply
17:  no reply
18:  no reply



[  4] local 192.12.15.8 port 5001 connected with 149.165.225.214 port 42583
[  4]  0.0- 4.0 sec  22.5 MBytes  47.3 Mbits/sec
[  4]  4.0- 8.0 sec  23.3 MBytes  48.8 Mbits/sec
[  4]  8.0-12.0 sec  23.6 MBytes  49.4 Mbits/sec
[  4] 12.0-16.0 sec  23.3 MBytes  48.8 Mbits/sec
[  4] 16.0-20.0 sec  23.4 MBytes  49.0 Mbits/sec
[  4] 20.0-24.0 sec  23.1 MBytes  48.4 Mbits/sec
[  4] 24.0-28.0 sec  23.4 MBytes  49.2 Mbits/sec
[  4] 28.0-32.0 sec  23.3 MBytes  49.0 Mbits/sec
[  4] 32.0-36.0 sec  23.1 MBytes  48.5 Mbits/sec
[  4] 36.0-40.0 sec  23.4 MBytes  49.0 Mbits/sec
[  4] 40.0-44.0 sec  23.2 MBytes  48.7 Mbits/sec
[  4] 44.0-48.0 sec  23.4 MBytes  49.2 Mbits/sec
[  4] 48.0-52.0 sec  23.3 MBytes  49.0 Mbits/sec
[  4] 52.0-56.0 sec  23.4 MBytes  49.1 Mbits/sec
[  4] 56.0-60.0 sec  23.0 MBytes  48.2 Mbits/sec
[  4]  0.0-60.0 sec    349 MBytes  48.8 Mbits/sec

After IU made network performance, we saw a significant performance change.

[root@dct00 ~]#  iperf -s -w 4MB -i 4
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[  4] local 192.12.15.8 port 5001 connected with 149.165.225.214 port 42619
[  4]  0.0- 4.0 sec    330 MBytes    691 Mbits/sec
[  4]  4.0- 8.0 sec    151 MBytes    316 Mbits/sec
[  4]  8.0-12.0 sec    379 MBytes    795 Mbits/sec
[  4] 12.0-16.0 sec    397 MBytes    833 Mbits/sec
[  4] 16.0-20.0 sec    298 MBytes    624 Mbits/sec
[  4] 20.0-24.0 sec    318 MBytes    668 Mbits/sec
[  4] 24.0-28.0 sec    379 MBytes    794 Mbits/sec
[  4] 28.0-32.0 sec    408 MBytes    856 Mbits/sec
[  4] 32.0-36.0 sec    372 MBytes    780 Mbits/sec
[  4] 36.0-40.0 sec    292 MBytes    612 Mbits/sec
[  4] 40.0-44.0 sec    382 MBytes    800 Mbits/sec
[  4] 44.0-48.0 sec    408 MBytes    855 Mbits/sec
[  4] 48.0-52.0 sec    267 MBytes    559 Mbits/sec
[  4] 52.0-56.0 sec    380 MBytes    796 Mbits/sec
[  4] 56.0-60.0 sec    397 MBytes    833 Mbits/sec
[  4]  0.0-60.0 sec  5.04 GBytes    721 Mbits/sec

We send data from BNL to IU. It stabilizes at above 900mbs.

[root@dct00 networktest]# iperf -c   iut2-dc3.iu.edu  -w 4MB -t 60 -i 4
------------------------------------------------------------
Client connecting to iut2-dc3.iu.edu, TCP port 5001
TCP window size: 8.00 MByte (WARNING: requested 4.00 MByte)
------------------------------------------------------------
[  3] local 192.12.15.8 port 40402 connected with 149.165.225.214 port 5001
[  3]  0.0- 4.0 sec    143 MBytes    300 Mbits/sec
[  3]  4.0- 8.0 sec    276 MBytes    579 Mbits/sec
[  3]  8.0-12.0 sec    433 MBytes    908 Mbits/sec
[  3] 12.0-16.0 sec    431 MBytes    904 Mbits/sec
[  3] 16.0-20.0 sec    449 MBytes    941 Mbits/sec
[  3] 20.0-24.0 sec    448 MBytes    940 Mbits/sec
[  3] 24.0-28.0 sec    448 MBytes    940 Mbits/sec
[  3] 28.0-32.0 sec    450 MBytes    944 Mbits/sec
[  3] 32.0-36.0 sec    449 MBytes    942 Mbits/sec
[  3] 36.0-40.0 sec    448 MBytes    940 Mbits/sec
[  3] 40.0-44.0 sec    448 MBytes    940 Mbits/sec
[  3] 44.0-48.0 sec    448 MBytes    940 Mbits/sec
[  3] 48.0-52.0 sec    450 MBytes    944 Mbits/sec
[  3] 52.0-56.0 sec    449 MBytes    942 Mbits/sec
[  3] 56.0-60.0 sec    448 MBytes    939 Mbits/sec
[  3]  0.0-60.0 sec  6.07 GBytes    870 Mbits/sec
[root@dct00 networktest]# 

-- JohnDeStefano - 25 Sep 2007: copied from topic "BNL".

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