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Cannot ping in between host and guest...................

Posted on 2008-06-23
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Last Modified: 2008-07-22
Hi All:

I've VmWare installed on Wndows Server 2003. I installed Red Hat Enterprise addition of Linux on VmWare workstation. I cannot ping from 10.238.138.121 host to the Linux installation 10.238.138.131.

They both have internet connectivity.  Please let me know in details steps to make this work. I tried network properties and netsh without success. VmWare vitual network settings did not help much either.

Look forward to your response.

Regards

-sunnybrad
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Question by:sunnybrad
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LVL 18

Expert Comment

by:larstr
ID: 21849625
Try the following command on the host server:
netsh int ip set chimney DISABLED

This command will disable hw acceleration on the hosts nics.
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Author Comment

by:sunnybrad
ID: 21849743
Hi larstr:

I don't know how this will help ???????????

Regards

sunnybrad
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LVL 11

Expert Comment

by:jfields71
ID: 21850052
Is the Linux VM set up in bridged mode networking?  It appears so, but just checking.  Did you check for a firewall impeding ICMP traffic on the Linux VM?  
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Netscaler Common Configuration How To guides

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Author Comment

by:sunnybrad
ID: 21850237
Hi jfields71 :

I have checked firewall on Windows server 2003 and it allows icmp traffic.
So you can ping outside world.
On Linux Vmware installation you can ping outside world. You cannot ping between the two.

Regards

sunnybrad
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LVL 18

Assisted Solution

by:larstr
larstr earned 100 total points
ID: 21850406
sunnybrad,
If hw acceleration is enabled (TSO, TOE, etc) on the host nic and you're using bridged networking the networking performance between host<->guest will be very bad. If you run the command I gave you above from the cmd shell it will disable this hw acceleration. Alternatively you can also disable this setting from the advanced settings on the Nic driver.

Lars
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LVL 11

Assisted Solution

by:jfields71
jfields71 earned 400 total points
ID: 21875649
Two more things you could check.  One is to enable firewall logging, to see if the packets are being received by the machine.  Go to the firewall settings and enable logging on the Advanced tab for all packets.  Then you can view the firewall log.  More info here, if needed: http://ecross.mvps.org/howto/pfirewall.htm.

Or you can install Wireshark on the VM and sniff packets on the VM.
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Author Comment

by:sunnybrad
ID: 21876453
Thanks jfields will try you suggestions and would let you know.

Regards
-sunnybrad
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Accepted Solution

by:
sunnybrad earned 0 total points
ID: 22030905
Hi All:

Network adapter was not selected properly in network settings in VmWare.
One had to just select the right adapter for box.

Thanks

Sunnybrad
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