Re: [CentOS] Networking troubles on CentOS 7

2015-03-06 Thread Earl A Ramirez
On 6 March 2015 at 02:15, Kashyap Bhatt thekashy...@yahoo.co.in wrote:



  Are you sure the vmware NIC is configured as bridged, not NAT on the
 host side?
 Not really. Does it help if I say I'm using the same Network Adapter
 configuration with which another VM in same subnet works fine? I've added a
 screen shot if that helps, though I think it shows the guest config and not
 host which you questioned.PicPaste - Untitled3-cJQlcohB.png

 |   |
 |   |   |   |   |   |   |   |
 | PicPaste - Untitled3-cJQlcohB.png PicPaste is a login free service for
 uploading pictures |
 |  |
 | View on picpaste.com  | Preview by Yahoo |
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 |   |


  Firewall1. ssh was kind of an example to show that I'm unable to see
 this machine from outside. Same is true for ping or host.2. I don't know
 how to specifically add rule to allow ssh/22 through my firewall so before
 spending more time on that, I just shut firewall down (systemctl stop
 firewalld). Same result, ssh/ping time out. Would it make sense to start
 the firewalld and add rule to allow ssh through it?



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Since you are not able to communicate to the CentOS 7 vm from the host are
you at least able to ping the gateway from the from the guest, which is in
this case the CentOS 7 VM?

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Re: [CentOS] Networking troubles on CentOS 7

2015-03-06 Thread Kashyap Bhatt
 
   Are you sure the vmware NIC is configured as bridged, not NAT on the
  host side?
  Not really. Does it help if I say I'm using the same Network Adapter
  configuration with which another VM in same subnet works fine? I've added a
  screen shot if that helps, though I think it shows the guest config and not
  host which you questioned.PicPaste - Untitled3-cJQlcohB.png
 
 
   Firewall1. ssh was kind of an example to show that I'm unable to see
  this machine from outside. Same is true for ping or host.2. I don't know
  how to specifically add rule to allow ssh/22 through my firewall so before
  spending more time on that, I just shut firewall down (systemctl stop
  firewalld). Same result, ssh/ping time out. Would it make sense to start
  the firewalld and add rule to allow ssh through it?
 
 Since you are not able to communicate to the CentOS 7 vm from the host are
 you at least able to ping the gateway from the from the guest, which is in
 this case the CentOS 7 VM?
 

So it was a stupid mistake, I had selected the wrong VLAN while creating the 
VM. Compared the network config with a VM on same ESXi host that was working.


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Re: [CentOS] Networking troubles on CentOS 7

2015-03-05 Thread Kashyap Bhatt


 Are you sure the vmware NIC is configured as bridged, not NAT on the host 
 side?
Not really. Does it help if I say I'm using the same Network Adapter 
configuration with which another VM in same subnet works fine? I've added a 
screen shot if that helps, though I think it shows the guest config and not 
host which you questioned.PicPaste - Untitled3-cJQlcohB.png

|   |
|   |   |   |   |   |   |   |
| PicPaste - Untitled3-cJQlcohB.png PicPaste is a login free service for 
uploading pictures |
|  |
| View on picpaste.com  | Preview by Yahoo |
|  |
|   |


 Firewall1. ssh was kind of an example to show that I'm unable to see this 
 machine from outside. Same is true for ping or host.2. I don't know how to 
 specifically add rule to allow ssh/22 through my firewall so before spending 
 more time on that, I just shut firewall down (systemctl stop firewalld). 
 Same result, ssh/ping time out. Would it make sense to start the firewalld 
 and add rule to allow ssh through it?


  
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[CentOS] Networking troubles on CentOS 7

2015-03-05 Thread Kashyap Bhatt
Hi,
I've been trying to get networking up and running on CentOS 7 in a VMWare (5.5) 
VM. From inside the machine (connected to console (GNOME desktop)) it looks 
like network is up. From outside I can't reach it.
From outside, same subnet:

outside_machine$ ssh - root@10.14.6.60
OpenSSH_5.3p1, OpenSSL 1.0.1e-fips 11 Feb 2013
debug1: Reading configuration data /login/sg219898/.ssh/config
debug1: Applying options for *
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug2: ssh_connect: needpriv 0
debug1: Connecting to 10.14.6.60 [10.14.6.60] port 22.
debug1: connect to address 10.14.6.60 port 22: Connection timed out
ssh: connect to host 10.14.6.60 port 22: Connection timed out
(255)outside_machine$

From inside:
http://picpaste.com/Untitled-wOeTEcEu.png
http://picpaste.com/Untitled2-5zi3Dj7x.png

* I shutdown NetworkManager based on someone's recommendation.
* domainname/nisdomainname/hostname -y etc were showing no domainname so I set 
them using domainname xxx.com
* from inside the machine I'm able to successfully ssh to 
vplab60/vplab60.xxx.com/localhost/ip-addres

Any help is appreciated.ThanksKashyap
 
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Re: [CentOS] Networking troubles on CentOS 7

2015-03-05 Thread Erick Ocrospoma
On 5 March 2015 at 23:02, Kashyap Bhatt thekashy...@yahoo.co.in wrote:

 Hi,
 I've been trying to get networking up and running on CentOS 7 in a VMWare
 (5.5) VM. From inside the machine (connected to console (GNOME desktop)) it
 looks like network is up. From outside I can't reach it.
 From outside, same subnet:

 outside_machine$ ssh - root@10.14.6.60
 OpenSSH_5.3p1, OpenSSL 1.0.1e-fips 11 Feb 2013
 debug1: Reading configuration data /login/sg219898/.ssh/config
 debug1: Applying options for *
 debug1: Reading configuration data /etc/ssh/ssh_config
 debug1: Applying options for *
 debug2: ssh_connect: needpriv 0
 debug1: Connecting to 10.14.6.60 [10.14.6.60] port 22.
 debug1: connect to address 10.14.6.60 port 22: Connection timed out
 ssh: connect to host 10.14.6.60 port 22: Connection timed out
 (255)outside_machine$

 From inside:
 http://picpaste.com/Untitled-wOeTEcEu.png
 http://picpaste.com/Untitled2-5zi3Dj7x.png

 * I shutdown NetworkManager based on someone's recommendation.
 * domainname/nisdomainname/hostname -y etc were showing no domainname so I
 set them using domainname xxx.com
 * from inside the machine I'm able to successfully ssh to vplab60/
 vplab60.xxx.com/localhost/ip-addres


Sounds like firewall is blocking port 22. Have you checked that?


 Any help is appreciated.ThanksKashyap

  
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~ Happy install !





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Re: [CentOS] Networking troubles on CentOS 7

2015-03-05 Thread Les Mikesell
On Thu, Mar 5, 2015 at 10:02 PM, Kashyap Bhatt thekashy...@yahoo.co.in wrote:
 Hi,
 I've been trying to get networking up and running on CentOS 7 in a VMWare 
 (5.5) VM. From inside the machine (connected to console (GNOME desktop)) it 
 looks like network is up. From outside I can't reach it.

Are you sure the vmware NIC is configured as bridged, not NAT on the host side?

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Re: [CentOS] Networking troubles on CentOS 7

2015-03-05 Thread John R Pierce

On 3/5/2015 8:02 PM, Kashyap Bhatt wrote:

* I shutdown NetworkManager based on someone's recommendation.


I wouldn't, I would learn how to use it.

My guess is, the CentOS firewall is active, and you need to add a rule 
to allow inbound tcp/22 for ssh.


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