Originally posted by: tech100

Anybody know how to find MAC addresses of the HMC ports of all servers attached to the internal DHCP HMC network? I can list all internal DHCP HMC network IPs with command:

lssysconn -r all -F ipaddr:state:type_model_serial_num | grep Connected

'arp -a' command doesn't work on HMC. I can't attach (have no possibility due to DC distance) my laptop to that DHCP network.

I also don't want to open ASMI GUI fot these huge number of servers (many HMC, many DHCP networks) to check the MAC address(es) and configured IPs.
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Originally posted by: hdkutz

Hello,
ask IBM support for root Access to your HMC.
Then execute the
arp -a
as mentioned.

Cheers,
ku
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Originally posted by: tech100

thx, but I think it is not the issue I should ask IBM support for... it makes no sense to disturb them.
I just expect that IBM thought about it and there is a way to obtain such basic info from HMC by hscroot user...
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Originally posted by: alethad

Have you tried the lshmc -n command?

Good luck
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Originally posted by: alethad

I hit the post too soon.
The other command is just lssysconn -r
From your post it looked like you used some other options with this. If I misunderstood you sorry.
good luck.
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Originally posted by: LaurentAgarini

Just have a look to DHCP requests in /var/log/messages on all your HMCs ;o)

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Originally posted by: 75G4_Tecnologia_MB

less /etc/sysconfig/network-scripts/ifcfg-eth0

 

or

 

less /etc/sysconfig/network-scripts/ifcfgYOUR_ETH

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