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November 2013

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Subject:
From:
"Edison, Arul (GE Healthcare)" <[log in to unmask]>
Reply To:
Edison, Arul (GE Healthcare)
Date:
Mon, 11 Nov 2013 04:40:30 +0000
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Hi ,

 When this issue happens, ping is not working

Regards,

Arul





-----Original Message-----

From: Orion Poplawski [mailto:[log in to unmask]] 

Sent: Saturday, November 09, 2013 3:54 AM

To: Edison, Arul (GE Healthcare); [log in to unmask]

Subject: Re: "arp who-has" tcp message not received in my SL6.3 system



On 11/07/2013 12:13 AM, Edison, Arul (GE Healthcare) wrote:

> Hi Everyone,

> 	I port my application to SL6.3

> 	My SL6.3 PC is connected with another device over Ethernet cable. With the application ported on SL6.3, the device is not able to communicate with my application

> 	When I compare the tcpdata exchanged between my PC and device, The below message , that is sent first from the device to my PC is not seen at my SL6.3 PC now.

> 	I have checked the rpms installed in my system.  rarpd rpm is not 

> installed

>

> 11:53:36.359556 arp who-has 192.168.2.30 tell 192.168.2.1

> 	0x0000:  0001 0800 0604 0001 000b ab2b 595a c0a8  ...........+YZ..

> 	0x0010:  0201 0000 0000 0000 c0a8 021e            ............

> 11:53:36.359604 arp who-has 192.168.2.30 tell 192.168.2.1

> 	0x0000:  0001 0800 0604 0001 000b ab2b 595a c0a8  ...........+YZ..

> 	0x0010:  0201 0000 0000 0000 c0a8 021e            ............

> 11:53:36.359645 arp who-has 192.168.2.30 tell 192.168.2.1

> 	0x0000:  0001 0800 0604 0001 000b ab2b 595a c0a8  ...........+YZ..

> 	0x0010:  0201 0000 0000 0000 c0a8 021e            ............

>

>

> I would appreciate suggestions on how to make  my SL6.3 PC receive 

> "arp who-has" message

>

> Regards, Arul

>



You have some pretty basic connectivity issues between the two machines.  Can you ping each other?  Are the netmasks correct?



--

Orion Poplawski

Technical Manager                     303-415-9701 x222

NWRA, Boulder/CoRA Office             FAX: 303-415-9702

3380 Mitchell Lane                       [log in to unmask]

Boulder, CO 80301                   http://www.nwra.com


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