Hi,

The telnet packets are not reaching the telnet server VM.

I'm using CS 3.0.2.

Thanks for replying !

On Mon, Sep 24, 2012 at 5:52 PM, Jayapal Reddy Uradi <
[email protected]> wrote:

> Using firewall and port forwarding rules only  we can access the VM
> services from the public network also from the VMs using the Public IPs.
> For you  telnet from outside network success but from failed from VM to VM
> using public IP.
> Seems hair pin NAT  got failed ...
>
> Please capture the packets on the telnet server VM to see whether telnet
> packets are reaching or not ?
>
> Which version of cloudstack Is it ?
>
> Thanks,
> Jayapal
>
> -----Original Message-----
> From: Hieu Le [mailto:[email protected]]
> Sent: Monday, September 24, 2012 3:39 PM
> To: [email protected]
> Subject: Problem with VM private IP
>
> Hi everyone,
>
> I have a problem while working with VM private IP. My Cloud system run 2
> VMs in advance zone with private IP is 10.1.1.20 and 10.1.1.21 and VM NAT
> IP is 192.168.50.160 and 192.168.50.165. From outside network, I can ping
> and telnet port 80 to both VMs with public IPs. But from VM 10.1.1.21, I
> can't telnet to other VM with its public IP.
>
> For details:
> From VM1: 10.1.1.20 and 192.168.50.160.
> ping 192.168.50.165 and ping 10.1.1.21 success telnet 10.1.1.21 80 success
> telnet 192.168.50.165 80 fail
>
> From VM2: 10.1.1.21 and 192.168.50.165
> ping 192.168.50.160 and ping 10.1.1.20 success telnet 10.1.1.20 success
> telnet 192.168.50.160 80 fail
>
> And I can't telnet another ports with public IP.
>
> Can you suggest some solutions for me to telnet VM from another VM via
> public IP.
>
> Thank !
>



-- 
..:: Hieu LE ::..

Class: Information System - Course 52
School of Information and Communication Technology
Hanoi University of Technology
No 1, Dai Co Viet street - Hai Ba Trung district - Hanoi

High Performance Computing Center
Cloud Computing Group
Gmail: [email protected]

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