Round-Robin

These scenarios cover some aspects related to link-aggregation (combining multiple network connections simultaneously to increase throughput, provide redundancy, or both). In OSDx, this can be achieved through bonding interfaces.

../../../../_images/topology1.svg

Test Round-Robin

Description

A bonding interface is configured in DUT0 using the round-robin mode. This mode can be used to achieve load-balancing.

Scenario

Example 1

Step 1: Set the following configuration in DUT0 :

set interfaces bonding bond0 address 192.168.100.10/24
set interfaces bonding bond0 miimon 100
set interfaces bonding bond0 mode round-robin
set interfaces ethernet eth0p0 bond-group bond0
set interfaces ethernet eth1 bond-group bond0
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 2: Set the following configuration in DUT1 :

set interfaces bridge br0 address 192.168.100.20/24
set interfaces bridge br0 stp version rstp
set interfaces ethernet eth0 bridge-group bridge br0
set interfaces ethernet eth2 bridge-group bridge br0
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Run command interfaces bonding show at DUT0 and check if output matches the following regular expressions:

bond0\s+192.168.100\.10\/24\s+up\s+up
Show output
---------------------------------------------------------------
Name          IP Address          Admin  Oper  Vrf  Description
---------------------------------------------------------------
bond0  192.168.100.10/24          up     up
       fe80::2a0:26ff:fe16:16/64

Step 4: Run command interfaces bonding bond0 show ports at DUT0 and check if output contains the following tokens:

Bonding Mode: load balancing (round-robin)
Show output
Ethernet Channel Bonding Driver: v6.12.49

Bonding Mode: load balancing (round-robin)
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0
Peer Notification Delay (ms): 0

Slave Interface: eth1
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:a0:26:16:00:16
Slave queue ID: 0

Slave Interface: eth0p0
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:a0:26:16:00:15
Slave queue ID: 0

Step 5: Ping IP address 192.168.100.20 from DUT0:

admin@DUT0$ ping 192.168.100.20 count 1 size 56 timeout 1
Show output
PING 192.168.100.20 (192.168.100.20) 56(84) bytes of data.
64 bytes from 192.168.100.20: icmp_seq=1 ttl=64 time=0.658 ms

--- 192.168.100.20 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.658/0.658/0.658/0.000 ms

Step 6: Run command interfaces ethernet clear at DUT0.

Step 7: Initiate a bandwidth test from DUT0 to DUT1

admin@DUT1$ monitor test performance server port 5001
admin@DUT0$ monitor test performance client 192.168.100.20 duration 5 port 5001 parallel 10
Expect this output in DUT0:
Connecting to host 192.168.100.20, port 5001
[  5] local 192.168.100.10 port 51138 connected to 192.168.100.20 port 5001
[  7] local 192.168.100.10 port 51148 connected to 192.168.100.20 port 5001
[  9] local 192.168.100.10 port 51158 connected to 192.168.100.20 port 5001
[ 11] local 192.168.100.10 port 51160 connected to 192.168.100.20 port 5001
[ 13] local 192.168.100.10 port 51176 connected to 192.168.100.20 port 5001
[ 15] local 192.168.100.10 port 51186 connected to 192.168.100.20 port 5001
[ 17] local 192.168.100.10 port 51198 connected to 192.168.100.20 port 5001
[ 19] local 192.168.100.10 port 51202 connected to 192.168.100.20 port 5001
[ 21] local 192.168.100.10 port 51210 connected to 192.168.100.20 port 5001
[ 23] local 192.168.100.10 port 51222 connected to 192.168.100.20 port 5001
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec  8.15 MBytes  68.3 Mbits/sec   26   43.8 KBytes
[  7]   0.00-1.00   sec  11.0 MBytes  92.5 Mbits/sec   14   77.8 KBytes
[  9]   0.00-1.00   sec  13.1 MBytes   110 Mbits/sec   19    139 KBytes
[ 11]   0.00-1.00   sec  11.3 MBytes  94.5 Mbits/sec    9    103 KBytes
[ 13]   0.00-1.00   sec  11.9 MBytes  99.9 Mbits/sec    6    129 KBytes
[ 15]   0.00-1.00   sec  26.1 MBytes   219 Mbits/sec   36    106 KBytes
[ 17]   0.00-1.00   sec  10.2 MBytes  85.5 Mbits/sec   28   43.8 KBytes
[ 19]   0.00-1.00   sec  9.36 MBytes  78.5 Mbits/sec   13   76.4 KBytes
[ 21]   0.00-1.00   sec  7.68 MBytes  64.4 Mbits/sec   14   53.7 KBytes
[ 23]   0.00-1.00   sec  8.96 MBytes  75.1 Mbits/sec   12   66.5 KBytes
[SUM]   0.00-1.00   sec   118 MBytes   988 Mbits/sec  177
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   1.00-2.00   sec  8.82 MBytes  74.0 Mbits/sec   17   73.5 KBytes
[  7]   1.00-2.00   sec  11.6 MBytes  97.0 Mbits/sec   22   97.6 KBytes
[  9]   1.00-2.00   sec  13.1 MBytes   110 Mbits/sec   38   76.4 KBytes
[ 11]   1.00-2.00   sec  12.2 MBytes   102 Mbits/sec   33   86.3 KBytes
[ 13]   1.00-2.00   sec  16.5 MBytes   138 Mbits/sec   44    123 KBytes
[ 15]   1.00-2.00   sec  13.0 MBytes   109 Mbits/sec    6    120 KBytes
[ 17]   1.00-2.00   sec  7.71 MBytes  64.6 Mbits/sec    4   93.3 KBytes
[ 19]   1.00-2.00   sec  9.88 MBytes  82.9 Mbits/sec   30   73.5 KBytes
[ 21]   1.00-2.00   sec  7.64 MBytes  64.1 Mbits/sec   17   69.3 KBytes
[ 23]   1.00-2.00   sec  12.4 MBytes   104 Mbits/sec   18    115 KBytes
[SUM]   1.00-2.00   sec   113 MBytes   947 Mbits/sec  229
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   2.00-3.00   sec  9.20 MBytes  77.1 Mbits/sec   16   56.6 KBytes
[  7]   2.00-3.00   sec  10.8 MBytes  90.8 Mbits/sec   27    122 KBytes
[  9]   2.00-3.00   sec  9.32 MBytes  78.2 Mbits/sec   13   59.4 KBytes
[ 11]   2.00-3.00   sec  11.8 MBytes  99.0 Mbits/sec    7   72.1 KBytes
[ 13]   2.00-3.00   sec  14.3 MBytes   120 Mbits/sec   31   62.2 KBytes
[ 15]   2.00-3.00   sec  15.0 MBytes   126 Mbits/sec   19   86.3 KBytes
[ 17]   2.00-3.00   sec  8.26 MBytes  69.3 Mbits/sec   26   90.5 KBytes
[ 19]   2.00-3.00   sec  9.94 MBytes  83.4 Mbits/sec   23    117 KBytes
[ 21]   2.00-3.00   sec  9.82 MBytes  82.4 Mbits/sec   36    106 KBytes
[ 23]   2.00-3.00   sec  13.7 MBytes   115 Mbits/sec    6   90.5 KBytes
[SUM]   2.00-3.00   sec   112 MBytes   941 Mbits/sec  204
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   3.00-4.00   sec  9.01 MBytes  75.6 Mbits/sec   11   93.3 KBytes
[  7]   3.00-4.00   sec  9.76 MBytes  81.8 Mbits/sec   41   58.0 KBytes
[  9]   3.00-4.00   sec  11.9 MBytes   100 Mbits/sec    1    113 KBytes
[ 11]   3.00-4.00   sec  14.5 MBytes   121 Mbits/sec   22    115 KBytes
[ 13]   3.00-4.00   sec  8.58 MBytes  71.9 Mbits/sec   35   63.6 KBytes
[ 15]   3.00-4.00   sec  13.9 MBytes   117 Mbits/sec    2    136 KBytes
[ 17]   3.00-4.00   sec  10.6 MBytes  88.6 Mbits/sec   19   83.4 KBytes
[ 19]   3.00-4.00   sec  9.69 MBytes  81.3 Mbits/sec   52   50.9 KBytes
[ 21]   3.00-4.00   sec  11.4 MBytes  95.9 Mbits/sec   19   45.2 KBytes
[ 23]   3.00-4.00   sec  12.5 MBytes   105 Mbits/sec   13   73.5 KBytes
[SUM]   3.00-4.00   sec   112 MBytes   938 Mbits/sec  215
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   4.00-5.00   sec  11.2 MBytes  93.8 Mbits/sec   12    122 KBytes
[  7]   4.00-5.00   sec  10.4 MBytes  87.6 Mbits/sec   13   87.7 KBytes
[  9]   4.00-5.00   sec  14.9 MBytes   125 Mbits/sec    8    117 KBytes
[ 11]   4.00-5.00   sec  12.6 MBytes   105 Mbits/sec   14   91.9 KBytes
[ 13]   4.00-5.00   sec  13.8 MBytes   116 Mbits/sec    0    160 KBytes
[ 15]   4.00-5.00   sec  12.6 MBytes   106 Mbits/sec   17   36.8 KBytes
[ 17]   4.00-5.00   sec  11.6 MBytes  97.0 Mbits/sec   10    105 KBytes
[ 19]   4.00-5.00   sec  7.39 MBytes  62.0 Mbits/sec   16   74.9 KBytes
[ 21]   4.00-5.00   sec  8.39 MBytes  70.4 Mbits/sec    8   87.7 KBytes
[ 23]   4.00-5.00   sec  9.45 MBytes  79.2 Mbits/sec   24   48.1 KBytes
[SUM]   4.00-5.00   sec   112 MBytes   942 Mbits/sec  122
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-5.00   sec  46.4 MBytes  77.8 Mbits/sec   82             sender
[  5]   0.00-5.01   sec  45.9 MBytes  76.8 Mbits/sec                  receiver
[  7]   0.00-5.00   sec  53.6 MBytes  89.9 Mbits/sec  117             sender
[  7]   0.00-5.01   sec  52.8 MBytes  88.5 Mbits/sec                  receiver
[  9]   0.00-5.00   sec  62.4 MBytes   105 Mbits/sec   79             sender
[  9]   0.00-5.01   sec  61.8 MBytes   104 Mbits/sec                  receiver
[ 11]   0.00-5.00   sec  62.3 MBytes   104 Mbits/sec   85             sender
[ 11]   0.00-5.01   sec  61.6 MBytes   103 Mbits/sec                  receiver
[ 13]   0.00-5.00   sec  65.0 MBytes   109 Mbits/sec  116             sender
[ 13]   0.00-5.01   sec  64.4 MBytes   108 Mbits/sec                  receiver
[ 15]   0.00-5.00   sec  80.6 MBytes   135 Mbits/sec   80             sender
[ 15]   0.00-5.01   sec  79.2 MBytes   133 Mbits/sec                  receiver
[ 17]   0.00-5.00   sec  48.3 MBytes  81.0 Mbits/sec   87             sender
[ 17]   0.00-5.01   sec  47.9 MBytes  80.2 Mbits/sec                  receiver
[ 19]   0.00-5.00   sec  46.3 MBytes  77.6 Mbits/sec  134             sender
[ 19]   0.00-5.01   sec  45.6 MBytes  76.3 Mbits/sec                  receiver
[ 21]   0.00-5.00   sec  45.0 MBytes  75.4 Mbits/sec   94             sender
[ 21]   0.00-5.01   sec  44.3 MBytes  74.3 Mbits/sec                  receiver
[ 23]   0.00-5.00   sec  57.1 MBytes  95.7 Mbits/sec   73             sender
[ 23]   0.00-5.01   sec  56.3 MBytes  94.3 Mbits/sec                  receiver
[SUM]   0.00-5.00   sec   567 MBytes   951 Mbits/sec  947             sender
[SUM]   0.00-5.01   sec   560 MBytes   938 Mbits/sec                  receiver

iperf Done.

Step 8: Run command interfaces ethernet show counters at DUT0 and check if output matches the following regular expressions:

eth1 \s+up\s+\d+\s+\d+\s+0\s+\d{2,}
eth0p0 \s+up\s+\d+\s+\d+\s+0\s+\d{2,}
Show output
-------------------------------------------------------------------------------
 Name   Oper  Rx Packets  Rx Bytes  Rx Errors  Tx Packets  Tx Bytes   Tx Errors
-------------------------------------------------------------------------------
eth0p0  up         69326   4659324          0      204739  309940671          0
eth0p1  down           0         0          0           0          0          0
eth0p2  down           0         0          0           0          0          0
eth0p3  down           0         0          0           0          0          0
eth0p4  down           0         0          0           0          0          0
eth0p5  down           0         0          0           0          0          0
eth0p6  down           0         0          0           0          0          0
eth0p7  down           0         0          0           0          0          0
  eth1  up         72945   4917419          0      202326  306278110          0
  eth2  down           0         0          0           0          0          0

Example 2

Step 1: Set the following configuration in DUT0 :

set interfaces bonding bond0 address 192.168.100.10/24
set interfaces bonding bond0 miimon 100
set interfaces bonding bond0 mode round-robin
set interfaces ethernet eth0p0 bond-group bond0
set interfaces ethernet eth0p1 bond-group bond0
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 2: Set the following configuration in DUT1 :

set interfaces bridge br0 address 192.168.100.20/24
set interfaces bridge br0 stp version rstp
set interfaces ethernet eth2 bridge-group bridge br0
set interfaces ethernet eth3 bridge-group bridge br0
set system login user admin authentication encrypted-password '$6$GSjsCj8gHLv$/VcqU6FLi6CT2Oxn0MJQ2C2tqnRDrYKNF8HIYWJp68nvXvPdFccDsT04.WtigUONbKYrgKg8d6rEs8PjljMkH0'

Step 3: Run command interfaces bonding show at DUT0 and check if output matches the following regular expressions:

bond0\s+192.168.100\.10\/24\s+up\s+up
Show output
--------------------------------------------------------------
Name          IP Address         Admin  Oper  Vrf  Description
--------------------------------------------------------------
bond0  192.168.100.10/24         up     up
       fe80::a0:26ff:fe16:15/64

Step 4: Run command interfaces bonding bond0 show ports at DUT0 and check if output contains the following tokens:

Bonding Mode: load balancing (round-robin)
Show output
Ethernet Channel Bonding Driver: v6.12.49

Bonding Mode: load balancing (round-robin)
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0
Peer Notification Delay (ms): 0

Slave Interface: eth0p1
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 02:a0:26:16:00:15
Slave queue ID: 0

Slave Interface: eth0p0
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:a0:26:16:00:15
Slave queue ID: 0

Step 5: Ping IP address 192.168.100.20 from DUT0:

admin@DUT0$ ping 192.168.100.20 count 1 size 56 timeout 1
Show output
PING 192.168.100.20 (192.168.100.20) 56(84) bytes of data.
64 bytes from 192.168.100.20: icmp_seq=1 ttl=64 time=0.693 ms

--- 192.168.100.20 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.693/0.693/0.693/0.000 ms

Step 6: Run command interfaces ethernet clear at DUT0.

Step 7: Initiate a bandwidth test from DUT0 to DUT1

admin@DUT1$ monitor test performance server port 5001
admin@DUT0$ monitor test performance client 192.168.100.20 duration 5 port 5001 parallel 10
Expect this output in DUT0:
Connecting to host 192.168.100.20, port 5001
[  5] local 192.168.100.10 port 56204 connected to 192.168.100.20 port 5001
[  7] local 192.168.100.10 port 56220 connected to 192.168.100.20 port 5001
[  9] local 192.168.100.10 port 56236 connected to 192.168.100.20 port 5001
[ 11] local 192.168.100.10 port 56250 connected to 192.168.100.20 port 5001
[ 13] local 192.168.100.10 port 56256 connected to 192.168.100.20 port 5001
[ 15] local 192.168.100.10 port 56262 connected to 192.168.100.20 port 5001
[ 17] local 192.168.100.10 port 56276 connected to 192.168.100.20 port 5001
[ 19] local 192.168.100.10 port 56292 connected to 192.168.100.20 port 5001
[ 21] local 192.168.100.10 port 56308 connected to 192.168.100.20 port 5001
[ 23] local 192.168.100.10 port 56314 connected to 192.168.100.20 port 5001
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec  12.6 MBytes   106 Mbits/sec   14   58.0 KBytes
[  7]   0.00-1.00   sec  12.5 MBytes   104 Mbits/sec   14   91.9 KBytes
[  9]   0.00-1.00   sec  10.5 MBytes  88.1 Mbits/sec   16   80.6 KBytes
[ 11]   0.00-1.00   sec  8.59 MBytes  72.0 Mbits/sec   12   55.1 KBytes
[ 13]   0.00-1.00   sec  14.4 MBytes   120 Mbits/sec   12    115 KBytes
[ 15]   0.00-1.00   sec  11.9 MBytes   100 Mbits/sec   15   97.6 KBytes
[ 17]   0.00-1.00   sec  12.2 MBytes   103 Mbits/sec   12    123 KBytes
[ 19]   0.00-1.00   sec  9.36 MBytes  78.5 Mbits/sec   25   67.9 KBytes
[ 21]   0.00-1.00   sec  10.4 MBytes  87.2 Mbits/sec   16   79.2 KBytes
[ 23]   0.00-1.00   sec  14.6 MBytes   122 Mbits/sec   12    144 KBytes
[SUM]   0.00-1.00   sec   117 MBytes   982 Mbits/sec  148
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   1.00-2.00   sec  7.21 MBytes  60.5 Mbits/sec   15   55.1 KBytes
[  7]   1.00-2.00   sec  11.2 MBytes  93.8 Mbits/sec   13    119 KBytes
[  9]   1.00-2.00   sec  11.0 MBytes  92.1 Mbits/sec   20   93.3 KBytes
[ 11]   1.00-2.00   sec  10.4 MBytes  87.6 Mbits/sec   12   73.5 KBytes
[ 13]   1.00-2.00   sec  19.2 MBytes   161 Mbits/sec    9    188 KBytes
[ 15]   1.00-2.00   sec  10.0 MBytes  83.9 Mbits/sec   28   63.6 KBytes
[ 17]   1.00-2.00   sec  9.45 MBytes  79.2 Mbits/sec   27   67.9 KBytes
[ 19]   1.00-2.00   sec  8.82 MBytes  74.0 Mbits/sec   14   53.7 KBytes
[ 21]   1.00-2.00   sec  10.1 MBytes  84.4 Mbits/sec   15   73.5 KBytes
[ 23]   1.00-2.00   sec  15.3 MBytes   128 Mbits/sec   38    144 KBytes
[SUM]   1.00-2.00   sec   113 MBytes   945 Mbits/sec  191
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   2.00-3.00   sec  10.3 MBytes  86.0 Mbits/sec    4   86.3 KBytes
[  7]   2.00-3.00   sec  11.6 MBytes  97.0 Mbits/sec    9   94.7 KBytes
[  9]   2.00-3.00   sec  11.6 MBytes  97.5 Mbits/sec   11    112 KBytes
[ 11]   2.00-3.00   sec  14.8 MBytes   124 Mbits/sec    8    116 KBytes
[ 13]   2.00-3.00   sec  16.5 MBytes   139 Mbits/sec   25   91.9 KBytes
[ 15]   2.00-3.00   sec  7.46 MBytes  62.5 Mbits/sec   15   84.8 KBytes
[ 17]   2.00-3.00   sec  6.84 MBytes  57.3 Mbits/sec   10   49.5 KBytes
[ 19]   2.00-3.00   sec  10.0 MBytes  83.9 Mbits/sec    2   94.7 KBytes
[ 21]   2.00-3.00   sec  7.95 MBytes  66.7 Mbits/sec   29   43.8 KBytes
[ 23]   2.00-3.00   sec  15.6 MBytes   131 Mbits/sec   28    134 KBytes
[SUM]   2.00-3.00   sec   113 MBytes   945 Mbits/sec  141
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   3.00-4.00   sec  8.26 MBytes  69.3 Mbits/sec   25   69.3 KBytes
[  7]   3.00-4.00   sec  8.39 MBytes  70.4 Mbits/sec   21   52.3 KBytes
[  9]   3.00-4.00   sec  10.0 MBytes  83.9 Mbits/sec   43   74.9 KBytes
[ 11]   3.00-4.00   sec  12.6 MBytes   106 Mbits/sec   37   58.0 KBytes
[ 13]   3.00-4.00   sec  9.38 MBytes  78.7 Mbits/sec   20   59.4 KBytes
[ 15]   3.00-4.00   sec  15.9 MBytes   133 Mbits/sec    1    174 KBytes
[ 17]   3.00-4.00   sec  9.38 MBytes  78.7 Mbits/sec   16   83.4 KBytes
[ 19]   3.00-4.00   sec  20.6 MBytes   173 Mbits/sec    5    209 KBytes
[ 21]   3.00-4.00   sec  7.52 MBytes  63.1 Mbits/sec   13   55.1 KBytes
[ 23]   3.00-4.00   sec  10.1 MBytes  85.0 Mbits/sec   34   59.4 KBytes
[SUM]   3.00-4.00   sec   112 MBytes   941 Mbits/sec  215
- - - - - - - - - - - - - - - - - - - - - - - - -
[  5]   4.00-5.00   sec  10.2 MBytes  85.5 Mbits/sec    4    106 KBytes
[  7]   4.00-5.00   sec  9.32 MBytes  78.2 Mbits/sec   13   93.3 KBytes
[  9]   4.00-5.00   sec  9.32 MBytes  78.2 Mbits/sec   19   56.6 KBytes
[ 11]   4.00-5.00   sec  10.9 MBytes  91.2 Mbits/sec    1    129 KBytes
[ 13]   4.00-5.00   sec  10.6 MBytes  88.6 Mbits/sec    6   86.3 KBytes
[ 15]   4.00-5.00   sec  14.3 MBytes   120 Mbits/sec   21    122 KBytes
[ 17]   4.00-5.00   sec  10.3 MBytes  86.0 Mbits/sec   10   80.6 KBytes
[ 19]   4.00-5.00   sec  20.1 MBytes   168 Mbits/sec   21    120 KBytes
[ 21]   4.00-5.00   sec  7.46 MBytes  62.6 Mbits/sec   25   39.6 KBytes
[ 23]   4.00-5.00   sec  9.69 MBytes  81.3 Mbits/sec    7   99.0 KBytes
[SUM]   4.00-5.00   sec   112 MBytes   940 Mbits/sec  127
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-5.00   sec  48.5 MBytes  81.4 Mbits/sec   62             sender
[  5]   0.00-5.01   sec  48.0 MBytes  80.5 Mbits/sec                  receiver
[  7]   0.00-5.00   sec  52.9 MBytes  88.8 Mbits/sec   70             sender
[  7]   0.00-5.01   sec  52.5 MBytes  87.9 Mbits/sec                  receiver
[  9]   0.00-5.00   sec  52.4 MBytes  88.0 Mbits/sec  109             sender
[  9]   0.00-5.01   sec  51.9 MBytes  86.9 Mbits/sec                  receiver
[ 11]   0.00-5.00   sec  57.3 MBytes  96.1 Mbits/sec   70             sender
[ 11]   0.00-5.01   sec  56.7 MBytes  95.0 Mbits/sec                  receiver
[ 13]   0.00-5.00   sec  70.0 MBytes   117 Mbits/sec   72             sender
[ 13]   0.00-5.01   sec  69.2 MBytes   116 Mbits/sec                  receiver
[ 15]   0.00-5.00   sec  59.6 MBytes   100 Mbits/sec   80             sender
[ 15]   0.00-5.01   sec  59.0 MBytes  98.8 Mbits/sec                  receiver
[ 17]   0.00-5.00   sec  48.2 MBytes  80.8 Mbits/sec   75             sender
[ 17]   0.00-5.01   sec  47.6 MBytes  79.7 Mbits/sec                  receiver
[ 19]   0.00-5.00   sec  68.8 MBytes   115 Mbits/sec   67             sender
[ 19]   0.00-5.01   sec  67.9 MBytes   114 Mbits/sec                  receiver
[ 21]   0.00-5.00   sec  43.4 MBytes  72.8 Mbits/sec   98             sender
[ 21]   0.00-5.01   sec  42.8 MBytes  71.7 Mbits/sec                  receiver
[ 23]   0.00-5.00   sec  65.3 MBytes   110 Mbits/sec  119             sender
[ 23]   0.00-5.01   sec  64.5 MBytes   108 Mbits/sec                  receiver
[SUM]   0.00-5.00   sec   566 MBytes   950 Mbits/sec  822             sender
[SUM]   0.00-5.01   sec   560 MBytes   938 Mbits/sec                  receiver

iperf Done.

Step 8: Run command interfaces ethernet show counters at DUT0 and check if output matches the following regular expressions:

eth0p0 \s+up\s+\d+\s+\d+\s+0\s+\d{2,}
eth0p1 \s+up\s+\d+\s+\d+\s+0\s+\d{2,}
Show output
-------------------------------------------------------------------------------
 Name   Oper  Rx Packets  Rx Bytes  Rx Errors  Tx Packets  Tx Bytes   Tx Errors
-------------------------------------------------------------------------------
eth0p0  up         68313   4598844          0      204006  308830510          0
eth0p1  up         69868   4709707          0      203113  307475734          0
eth0p2  down           0         0          0           0          0          0
eth0p3  down           0         0          0           0          0          0
eth0p4  down           0         0          0           0          0          0
eth0p5  down           0         0          0           0          0          0
eth0p6  down           0         0          0           0          0          0
eth0p7  down           0         0          0           0          0          0
  eth1  down           0         0          0           0          0          0
  eth2  down           0         0          0           0          0          0