Incorporating External NICs HowTo

1
The entries in the platform_vars.ini file for the model type rx8620 nodes must specify Ethernet devices, not
PCI bus IDs.
2 This value can be used reliably only when all nodes of that model type have zero or one NIC available after matching
up the explicitly specified PCI bus ids to their corresponding logical networks (Admin/Interconnect/External), that
is, when the choice of NIC for offboard is unambiguous.
The [ nodes node ] Section
If necessary, you can add one or more [nodes node] sections at the end of the
platform_vars.ini file to configure specific nodes based on the node name instead of the
model type. This can be useful as a temporary workaround. The following is an example that
configures node n8:
[nodes n8]
nodes=n8
#interconnect #of eths AdminPort Interconnect External
#------------ -------- --------- ------------ --------
modelmap = <<EOT
Ethernet ==2 03:00.0 02:00.0 undef
Ethernet >2 03:00.0 02:00.0 offboard
!Ethernet >1 03:00.0 undef 02:00.0
EOT
This HowTo does not use this section.
3.5 Understanding the device_config Command
The device_config command allows you to update the command and management database
(CMDB) to incorporate one or more new external Ethernet ports, external1, external2, and
so on. The cluster_config utility configures the first external Ethernet port, external.
For this HowTo, the device_config command has the following format:
/opt/hptc/config/sbin/device_config [--dryrun] [--type E] [--host nodename]
[--extnetwork externalx] [--ip IP_address] [--name external_hostname]
[--netmask netmask] [--gateway gateway] [--iftype Ethernet] [MAC_address]
Where:
nodename Is the name of the HP XC system node. For example, n19.
externalx
Identifies the external Ethernet port.
The first physical external Ethernet port is external, the second
port is external1, the next port is external2, and so on.
NOTE: Do not specify the first physical external Ethernet port,
external, with --extnetwork option.
This port is the default selection when you do not specify the
--extnetwork option.
IP_address
Is the Internet Protocol address for the external connection for the
node.
external_hostname
Is the external host name for the node. External systems can access
this node directly with this external host name.
netmask
Is the IP network mask for this interface.
gateway
Identifies the system that acts a gateway to external communications.
MAC_address
Is the machine address for the NIC.
3 Before You Begin 13