[Openstack] Guest to Host works but host to guest does not

ashish.jain14 at wipro.com ashish.jain14 at wipro.com
Wed Jan 28 05:07:55 UTC 2015


Hi Srinivas,


This is a single VM setup this means all the components are installed on the same VM. This VM has got 2 ethernet interfaces eth0 and eth1. Access to TCP/22 is already enabled as you can see from

nova --os-tenant-name TenantA --os-username UserA --os-password password --os-auth-url=http://localhost:5000/v2.0 \
secgroup-add-rule default tcp 1 65535 0.0.0.0/0<http://0.0.0.0/0>


Regards

Ashish


________________________________
From: Srinivasreddy R <srinivasreddy4390 at gmail.com>
Sent: Wednesday, January 28, 2015 12:03 AM
To: Ashish Jain (WT01 - BAS)
Subject: Re: [Openstack] Guest to Host works but host to guest does not

i think you cannot access VM from compute node or controller .
insted you can loging through external network [need to enable tcp/22, icmp rules in security group rules ].A pc connected to br-ex via an external physical interface in controller node .

regards,
srinivas.


On Tue, Jan 27, 2015 at 10:30 PM, <ashish.jain14 at wipro.com<mailto:ashish.jain14 at wipro.com>> wrote:
Hi,

 I am unable to ping/ssh from my host VM to guest VM.  However opposite works just fine, that is I am able to ping from guest  to host VM. Currently I am accessing my guest from horizon console and  have tried pinging/sshing into my host VM and it works just fine. I have  also tried using network namespace to ping from host to guest but it  does not work. I am using  neutron network.

I have already enabled ICMP/TCP/UDP port access using the following
nova --os-tenant-name TenantA --os-username UserA --os-password password --os-auth-url=http://localhost:5000/v2.0 \
secgroup-add-rule default tcp 1 65535 0.0.0.0/0<http://0.0.0.0/0>

nova --os-tenant-name TenantA --os-username UserA --os-password password --os-auth-url=http://localhost:5000/v2.0 \
secgroup-add-rule default udp 1 65535 0.0.0.0/0<http://0.0.0.0/0>

nova --os-tenant-name TenantA --os-username UserA --os-password password --os-auth-url=http://localhost:5000/v2.0 \
secgroup-add-rule default icmp -1 -1 0.0.0.0/0<http://0.0.0.0/0>

Any pointers would be helpful.

Thanks
Ashish



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--
thanks
srinivas.
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