Duplicate Mac address

[Steven Zurita]

We recently got a new hard drive and copy to this drive all the files from another server. During bootup we get the message duplicate mac address and the mac address that is displaying is from the server that we copy the files from. How can I fix this? I have HP-UX 9.05.

Thanks,
Steven

[harry d brown jr]

Ouch 9.05? Yeah, we have two for old reporting issues - but I'm home and they are unavailable to research on. I don't even remember if you could override the lan cards mac address back then, like you can today.

take your mac address and search /etc (most likely place)

find /etc -type f -exec grep -il MACaddrHERE {} \;

The "i" option on grep is very important, and don't include the "0x" in front of the MAC addr.

live free or die
harry

[T G Manikandan]

grep /etc

it should list the configuration files of the NIC.
The system boots up with this info.

Thanks

[Steven Zurita]

I was not able to find the MAC address in the /etc directory. I search for the mac address using colons format "XX:XX:XX:XX:XX" Also,the following is the error that I am getting when I execute netlinkrc. "Network Probe Error 2012, pid [CIS]
ARP packet duplicate IP address: X.X.X.X from 00XX-XXXX-XXXX. The HP is displaying the right MAC address when I run lanscan command. This tells me that the system knows the right MAC address for the HP but there is probably a file that we copy over from the other server that has the wrong MAC address.

Thanks,
Steven

[Larry Reinhart]

Steven,

We have many systems running 9.03 (on HP 712's). We have a master hard drive that we duplicate when we have a hard drive crash. We never had problems with duplicate mac addresses. We have had problems with duplicate IP addresses when we make a mistake with the /etc/src.sh file and the /etc/hosts file.
So, what is the exact error that you are seeing? What is the line in netlinkrc that is erroring out?

Have a great HP day!
Larry

[Erik Fredette]

Hi Steven,

I don't know about 9.05, but with systems 10.20 and higher you can specify your MAC address in the lan cards configuration files located in /etc/rc.config.d/. Look for files beginning with "hp". Good chances your MAC address from the other server was specified in one of those files.

Hope this helps.

[John Bolene]

look in .etc/rc.config.d/hpetherconf

you may have something in the station address field which overrides the MAC on the ether card

or you can use lanadmin to change it

[John Bolene]

forgot to add...


we actually had 3 pairs of xterms come in with hardware duplicated MAC's

turns out that it was a manual thing to burn the rom's with the MAC, and sometimes they lost count when they went to lunch or between days

if you happened to order several hundred xterms at a time, there was a good possibility you would get at least one duplicate