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Community Member

UCS C210 - Initial Configuration using DHCP

Hello All,

I'm trying to do the initial configuration for a C210 but we have no keyboard and monitor. So the idea was to use the default configuration on the Shared LOM, using DHCP. But i can't get an ip address.

We connected the server to the switch core, that is the DHCP server. The switch port is configured correctly. I can see the mac-address being identified by the switch, the LOM on the server is up, the switch port is up but cant get ip address.

So we are stuck right now, trying to get a monitor and keyboard.

Any clue on how to solve that?

3 REPLIES
Cisco Employee

UCS C210 - Initial Configuration using DHCP

Hello Rafael,

Few questions

Just to be sure, you have connected the cable to 1 Gb LOM, right ?

Is the switch port VLAN and DHCP listening address are in same subnet or different subnet / vlan ?

Is DHCP server configured to allocate IP address for LOM MAC addresses ?

Did you notice any DHCPDISCOVER messages with LOM mac address ?

Padma

Community Member

UCS C210 - Initial Configuration using DHCP

Just to be sure, you have connected the cable to 1 Gb LOM, right ?

Yes

Is the switch port VLAN and DHCP listening address are in same subnet or different subnet / vlan ?

The DHCP is running on the 6509, we have configured the port connected to the LOM with the Vlan that we have the DHCP configured. The port is configured with swichtport mode access. Was that your question?

Is DHCP server configured to allocate IP address for LOM MAC addresses ?

The DHCP is configured to provide ip address to any mac-address. Default DHCP configuration. Do i need to specify anything special?

Did you notice any DHCPDISCOVER messages with LOM mac address ?

Did not make these test.

Community Member

UCS C210 - Initial Configuration using DHCP

Hello Rafael,

i just want to sharing

For initial configuration i always use DHCP, this is my tool

For 1or2 Cisco UCS C-series if more then 3 just add the switch

1. laptop

2. Cat6 cable (cross/straight its ok

3. tftpd32

step:

1. plug cat6 cable to laptop NIC port and to 1GB LOM C210 (dont power the c210)

2. run tftpd32

3. configure DHCP server

4. configure your laptop NIC with static ip address (same subnet with DHCP pool)

5. turn off firewall on laptop

6. power on C210

7. open tftpd32 and monitoring the IP address..

if c210 already power up or didnt get the ip address you should unplug the power cable and plug again and power on the c210..

you must plug the cat 6 to 1GB LOM (port 1 or 2 its OK but dont plug to MGMT port)

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