<p dir="ltr">Have you checked ping connectivity between the VMs?</p>
<div class="gmail_quote">On Mar 4, 2015 9:19 PM, "Brian Haley" <<a href="mailto:brian.haley@hp.com">brian.haley@hp.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Please keep replies on the list.<br>
<br>
I would suggest running tcpdump on the server side and see if the packet is<br>
making it to the stack then. Perhaps there are other UFW rules dropping things?<br>
You can just use something like 'telnet 192.168.1.42 5001' to verify that.<br>
<br>
-Brian<br>
<br>
On 03/04/2015 10:25 AM, ppnaik wrote:<br>
> Sir,<br>
> I added rule tcp 1 65535 but it still did not work.<br>
><br>
> Thanks,<br>
><br>
> Priyanka<br>
><br>
><br>
> On 2015-03-04 20:29, Brian Haley wrote:<br>
>> Like Krishna asked, have you added a security group rule for TCP port 5001?<br>
>> Otherwise ingress traffic on that port will be dropped.<br>
>><br>
>> -Brian<br>
>><br>
>> On 03/04/2015 05:45 AM, Priyanka Naik wrote:<br>
>>> Hi,<br>
>>><br>
>>> Sorry my mistake . I was actually trying it for different ports and copied the<br>
>>> earlier command on client VM. On client VM I am running<br>
>>><br>
>>> iperf -c 192.168.1.42<br>
>>><br>
>>> and on server<br>
>>><br>
>>> iperf -s<br>
>>><br>
>>> yes the server is listening on port 5001.<br>
>>><br>
>>> netstat -anp | grep 5001<br>
>>> (Not all processes could be identified, non-owned process info<br>
>>> will not be shown, you would have to be root to see it all.)<br>
>>> tcp 0 0 <a href="http://0.0.0.0:5001" target="_blank">0.0.0.0:5001</a> 0.0.0.0:* LISTEN<br>
>>> 20227/iperf<br>
>>><br>
>>> Thanks,<br>
>>> Priyanka<br>
>>><br>
>>> On 03/04/2015 04:10 PM, nithish B wrote:<br>
>>>> Hi Priyanka,<br>
>>>> Sorry for that. My bad. I actaully meant to say, check if that client is<br>
>>>> indeed listening on the port.<br>
>>>><br>
>>>> And wait a minute, I didn't notice!!!<br>
>>>><br>
>>>> Your output says:<br>
>>>><br>
>>>> On iperf server VM<br>
>>>><br>
>>>> | iperf -s<br>
>>>> ------------------------------------------------------------<br>
>>>> Server listening on TCP *port **5001*<br>
>>>> TCP window size: 85.3 KByte (default)<br>
>>>> ------------------------------------------------------------|<br>
>>>><br>
>>>> On iperf client VM<br>
>>>><br>
>>>> | iperf -c 192.168.1.42 *-p 8042* -i 1 -t 10<br>
>>>><br>
>>>> |<br>
>>>> |Kindly let me know as to why are you using port 8042 in the client while<br>
>>>> the server<br>
>>>> is listening on port 5001?<br>
>>>> |<br>
>>>><br>
>>>> Regards,<br>
>>>> Nitish B.<br>
>>>><br>
>>>> On Wed, Mar 4, 2015 at 3:58 PM, Priyanka Naik <<a href="mailto:ppnaik@cse.iitb.ac.in">ppnaik@cse.iitb.ac.in</a><br>
>>>> <mailto:<a href="mailto:ppnaik@cse.iitb.ac.in">ppnaik@cse.iitb.ac.in</a>>> wrote:<br>
>>>><br>
>>>> Hi Nitish,<br>
>>>><br>
>>>> I am able to ping the client VM(192.168.1.41) from the server<br>
>>>> VM(192.168.1.42).<br>
>>>><br>
>>>> ping 192.168.1.41<br>
>>>> PING 192.168.1.41 (192.168.1.41) 56(84) bytes of data.<br>
>>>> 64 bytes from 192.168.1.41 <<a href="http://192.168.1.41" target="_blank">http://192.168.1.41</a>>: icmp_req=1 ttl=64<br>
>>>> time=1.02 ms<br>
>>>> 64 bytes from 192.168.1.41 <<a href="http://192.168.1.41" target="_blank">http://192.168.1.41</a>>: icmp_req=2 ttl=64<br>
>>>> time=0.495 ms<br>
>>>> 64 bytes from 192.168.1.41 <<a href="http://192.168.1.41" target="_blank">http://192.168.1.41</a>>: icmp_req=3 ttl=64<br>
>>>> time=0.598 ms<br>
>>>> 64 bytes from 192.168.1.41 <<a href="http://192.168.1.41" target="_blank">http://192.168.1.41</a>>: icmp_req=4 ttl=64<br>
>>>> time=0.462 ms<br>
>>>> ^C<br>
>>>> --- 192.168.1.41 ping statistics ---<br>
>>>> 4 packets transmitted, 4 received, 0% packet loss, time 2999ms<br>
>>>> rtt min/avg/max/mdev = 0.462/0.645/1.025/0.225 ms<br>
>>>><br>
>>>> I am sorry I did not understand pinging a specified port.<br>
>>>><br>
>>>> Thanks,<br>
>>>><br>
>>>> Priyanka<br>
>>>><br>
>>>><br>
>>>> On 03/04/2015 03:49 PM, nithish B wrote:<br>
>>>>> Hi Priyanka,<br>
>>>>> First check if you are able to ping the client VM from the server VM<br>
>>>>> on the specified port. If not, then there is an issue with the network<br>
>>>>> configuration.<br>
>>>>> Else, if you are able to ping on the specific port, then there is some<br>
>>>>> tunnelling issue and we can fix that!<br>
>>>>> Let me know this and we can proceed.<br>
>>>>><br>
>>>>><br>
>>>>> Regards,<br>
>>>>> Nitish B.<br>
>>>>><br>
>>>>> On Wed, Mar 4, 2015 at 3:15 PM, Priyanka Naik <<a href="mailto:ppnaik@cse.iitb.ac.in">ppnaik@cse.iitb.ac.in</a><br>
>>>>> <mailto:<a href="mailto:ppnaik@cse.iitb.ac.in">ppnaik@cse.iitb.ac.in</a>>> wrote:<br>
>>>>><br>
>>>>> Hi,<br>
>>>>><br>
>>>>> I have a multinode openstack juno setup. Iperf does not work between<br>
>>>>> VMs( on the same compute node asw ell as different compute nodes)<br>
>>>>><br>
>>>>> On iperf server VM<br>
>>>>><br>
>>>>> | iperf -s<br>
>>>>> ------------------------------------------------------------<br>
>>>>> Server listening on TCP port 5001<br>
>>>>> TCP window size: 85.3 KByte (default)<br>
>>>>> ------------------------------------------------------------|<br>
>>>>><br>
>>>>> On iperf client VM<br>
>>>>><br>
>>>>> | iperf -c 192.168.1.42 -p 8042 -i 1 -t 10|<br>
>>>>><br>
>>>>> The mtu of the VM interface is 1400. It does not work even after<br>
>>>>> increasing or decreasing this value.<br>
>>>>><br>
>>>>> |ifconfig<br>
>>>>> eth0 Link encap:Ethernet HWaddr fa:16:3e:ac:70:99<br>
>>>>> inet addr:192.168.1.41 Bcast:192.168.1.255<br>
>>>>> Mask:255.255.255.0<br>
>>>>> inet6 addr: fe80::f816:3eff:feac:7099/64 Scope:Link<br>
>>>>> UP BROADCAST RUNNING MULTICAST MTU:1400 Metric:1<br>
>>>>> RX packets:5781941 errors:0 dropped:0 overruns:0 frame:0<br>
>>>>> TX packets:7096888 errors:0 dropped:0 overruns:0 carrier:0<br>
>>>>> collisions:0 txqueuelen:1000<br>
>>>>> RX bytes:3028179379 (3.0 GB) TX bytes:3594331790<br>
>>>>> <tel:3594331790> (3.5 GB)|<br>
>>>>><br>
>>>>> Please help me solve this issue.<br>
>>>>><br>
>>>>> Thanks,<br>
>>>>><br>
>>>>> Priyanka<br>
>>>>><br>
>>>>><br>
>>>>> _______________________________________________<br>
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>>>>><br>
>>>>><br>
>>>><br>
>>>><br>
>>><br>
>>><br>
>>><br>
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>><br>
>><br>
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</blockquote></div>