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Connectivity issue due to NIC?

Posted on 2006-11-27
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Last Modified: 2010-04-10
I have a new server that have two 1 gig NIC cards in it.  However, I only have a 10/100 switch.  I can ping out fine, but nothing can ping in. Is this due to the limitations on the switch?   Thanks much
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Question by:vbowman
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6 Comments
 
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Accepted Solution

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b0lsc0tt earned 2000 total points
ID: 18023476
vbowman,

A switch will not block pings, unless it isn't just a switch.  Most likely the server is blocking incoming pings or a router, etc.  The fact that the switch is a different "speed" would not cause this either.

Let me know if you have any questions or need more information.

b0lsc0tt
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Author Comment

by:vbowman
ID: 18023504
Thanks,

Then i am at a loss.  I have no idea what is wrong.  I have two servers setup.  An older one (domain1) and this new one (domain2)  and I can not get them to talk to one another nor can I get a workstation to log into the new domain.  Says the domain does not exist.

Any thoughts?
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LVL 54

Expert Comment

by:b0lsc0tt
ID: 18023567
This may be out of my expertise, because of the domains, so I am interested in what other experts say too.  What operating system is one each server?  Neither server sees the other?  Do either have a firewall program?

Check the network set up.  I assume this is TCP/IP so are the IP's compatible.  In other words look at the setting on each for ip address, subnet mask and gateway.  Do you have a device managing this or are they just connected by the switch?

Another issue may be routing unless I misunderstood the info in the first post.  It sounds like one of the servers (the new one?) has 2 nic cards.  Is this the case?  If so, how is traffic routed through the cards.  Depending on the operating system I may not be much help with the specifics but the "ping" may be trying the wrong card.  You can normally set or adjust this using a "routing table" or something similar.

I hope this helps.  At the very least this info will be helpful to others and myself to be able to help more.

bol
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Author Comment

by:vbowman
ID: 18023651
Thanks for the reply.

One is using Server 2003 Standard the new one is using Server 2003 standard R2.

Both of them connect to the same switch and use the same gateway address and subnet mask.  

I have the 2nd NIC on the new machine disabled so it will not be used.

I now think it may be a DNS issue....pesky DNS.

This is driving me crazy.
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Author Comment

by:vbowman
ID: 18024165
I found out the answer to my problem.  Stange as it is, I had to stop routing and remote access services.  Then viola, I could ping and also log into the domain.  Still have not got those trust issues completely worked out but hey I am a happy camper.

Points go to you just because you tried to help!  have a great day!
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LVL 54

Expert Comment

by:b0lsc0tt
ID: 18024180
Your welcome!  I'm glad that I could help.  Thank you for the grade, the points and the fun question.

bol
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