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07-18-2007 04:04 PM
07-18-2007 04:04 PM
Strange situation with my network link for my Linux server.
I've just installed RHAS 4.0 on my Itanium server. The installation went well. After reboot, I was not able to ping on of the servers on my network or vice versa from my workstation. These servers that I am trying to ping are the ones that I added to the hosts file.
When I ran the ethtool eth0 - The status showed to link. I checked the cable and check the NIC card from back of the server, I can see green light lit up. I even tried a different cable. Being that the NIC does have the 2nd port, so I configured that with DHCP and nothing.
ifconfig eth0 does displayed the correct IP address, Net Mask, etc.
I've installed numerous RHAS 3.0 before and never had this much trouble before.
Any ideas what else I should be looking at.
Thank you in advance.
Jorge
Solved! Go to Solution.
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07-18-2007 05:00 PM
07-18-2007 05:00 PM
Re: Network Link question
The hosts you pinged are in the same subnet?
Can you ping your configured gateway?
Check on the Server for correct routing.
Do speed/autoneg settings match your switchport settings?
Ask your network guy to double check speed/autoneg and also vlan/trunks etc.
Check if you aktivated some kind of firewall on your new box by mistake.
Rgds
HGH
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07-18-2007 05:52 PM
07-18-2007 05:52 PM
Re: Network Link question
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07-19-2007 01:04 AM
07-19-2007 01:04 AM
Re: Network Link question
Thanks,
Jorge
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07-19-2007 01:41 AM
07-19-2007 01:41 AM
Re: Network Link question
or
iptables -L - you should see "allowed" for all chains
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07-19-2007 01:49 AM
07-19-2007 01:49 AM
Re: Network Link question
i got your wrong, thought you have link but can not ping.
To what speed is your switch configured?
Does it match your nic?
What nic / driver do you use?
Can you give the output of "ethtool"?
rgds
HGH
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07-19-2007 07:47 AM
07-19-2007 07:47 AM
Re: Network Link question
Confirm with n/w team what is the speed/autoneg setting.
With new model of switches and GIGbit ethernet cards autoneg can be made ON.
But if you have 100MB card , i would suggest to hard code speed/duplex and disable the autoneg. Do the same setting on swtich side
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07-19-2007 07:52 AM
07-19-2007 07:52 AM
Re: Network Link question
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07-19-2007 08:28 AM
07-19-2007 08:28 AM
Re: Network Link question
I am in the process looking for update 4 at the moment.
Thanks,
Jorge
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07-19-2007 09:08 AM
07-19-2007 09:08 AM
Re: Network Link question
Please advise.
Thanks,
Jorge
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07-19-2007 09:30 AM
07-19-2007 09:30 AM
Re: Network Link question
Once I added the line for GATEWAY I was able to get access outside world.
Now, my problem is up2date is coming back telling me that " up2date up2date
Fetching Obsoletes list for channel: rhel-ia64-as-4...
Fetching rpm headers...
########################################
Name Version Rel
----------------------------------------------------------
The following packages you requested are already updated:
up2date"
However, when I tried this, cat /etc/redhat-release
Red Hat Enterprise Linux AS release 4 (Nahant Update 3)
I am certain that Redhat is now on Update 4 or even 5.
Any ideas what's wrong??
Thanks,
Jorge
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07-21-2007 10:20 AM
07-21-2007 10:20 AM
Solutionhere is what i do. But we have satellite server configured.
run "up2date up2date" -- can do this now
run "up2date -u -d" -- this will download the new software from the satellite server to the local machine
run "up2date -u" -- this will install the software -- will take about 5-10 minutes to complete
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07-23-2007 03:29 AM
07-23-2007 03:29 AM
Re: Network Link question
Thanks everyone for your help.
Jorge
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07-23-2007 03:31 AM
07-23-2007 03:31 AM
Re: Network Link question
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