# Revision history [back]

### iperf isn't work between VMs which are placed in other host

Hello, I tried to measure network performance BTW VM which connected through GRE tunnel. So, I configured neutron(ML2/GRE). then I verified TCP performance between VMs which are placed on same host. but I could not make iperf connection bTW VMs (on other host), but ping is ok.

bellow thing is current Security group configuration. I think that I allow all thing to execute iperf. +-------------+-----------+---------+-----------+--------------+ | IP Protocol | From Port | To Port | IP Range | Source Group | +-------------+-----------+---------+-----------+--------------+ | udp | 1 | 65535 | 0.0.0.0/0 | | | tcp | 1 | 65535 | 0.0.0.0/0 | | | icmp | -1 | -1 | 0.0.0.0/0 | | +-------------+-----------+---------+-----------+--------------+

Do you have any comment?

### iperf isn't work between VMs which are placed in other host

Hello, I tried to measure network performance BTW VM which connected through GRE tunnel. So, I configured neutron(ML2/GRE). then I verified TCP performance between VMs which are placed on same host. but I could not make iperf connection bTW VMs (on other host), but ping is ok.

bellow thing is current Security group configuration. I think that I allow all thing to execute iperf. +-------------+-----------+---------+-----------+--------------+ iperf.

+-------------+-----------+---------+-----------+--------------+

| IP Protocol | From Port | To Port | IP Range | Source Group | +-------------+-----------+---------+-----------+--------------+ |

+-------------+-----------+---------+-----------+--------------+

| udp | 1 | 65535 | 0.0.0.0/0 | | |

| tcp | 1 | 65535 | 0.0.0.0/0 | | |

| icmp | -1 | -1 | 0.0.0.0/0 | | |

+-------------+-----------+---------+-----------+--------------+

Do you have any comment?

 3 No.3 Revision prasoontelang 466 ●12 ●25 ●36 http://control-that-vm...

### iperf isn't work between VMs which are placed in other host

Hello, I tried to measure network performance BTW VM which connected through GRE tunnel. So, I configured neutron(ML2/GRE). then I verified TCP performance between VMs which are placed on same host. but I could not make iperf connection bTW VMs (on other host), but ping is ok.

bellow thing is current Security group configuration. I think that I allow all thing to execute iperf.

+-------------+-----------+---------+-----------+--------------+

+-------------+-----------+---------+-----------+--------------+

| IP Protocol | From Port | To Port | IP Range  | Source Group | +-------------+-----------+---------+-----------+--------------+ |

+-------------+-----------+---------+-----------+--------------+

| udp         | 1         | 65535   | 0.0.0.0/0 |              | |

| tcp         | 1         | 65535   | 0.0.0.0/0 |              | |

| icmp        | -1        | -1      | 0.0.0.0/0 |              | +-------------+-----------+---------+-----------+--------------+|

+-------------+-----------+---------+-----------+--------------+


Do you have any comment?

 4 No.4 Revision prasoontelang 466 ●12 ●25 ●36 http://control-that-vm...

### iperf isn't work between VMs which are placed in other host

Hello, I tried to measure network performance BTW VM which connected through GRE tunnel. So, I configured neutron(ML2/GRE). then I verified TCP performance between VMs which are placed on same host. but I could not make iperf connection bTW VMs (on other host), but ping is ok.

bellow thing is current Security group configuration. I think that I allow all thing to execute iperf.

+-------------+-----------+---------+-----------+--------------+
| IP Protocol | From Port | To Port | IP Range  | Source Group |
+-------------+-----------+---------+-----------+--------------+
| udp         | 1         | 65535   | 0.0.0.0/0 |              |
| tcp         | 1         | 65535   | 0.0.0.0/0 |              |
| icmp        | -1        | -1      | 0.0.0.0/0 |              |
+-------------+-----------+---------+-----------+--------------+


Do you have any comment?