7210 SAS-MXP, R6, R12, S, SX, T BASIC SYSTEM
CONFIGURATION GUIDE RELEASE 22.9.R1
Virtual chassis
Note:
Before these boot loader parameters are configured, verity that the chassis-role must be set to
standalone-vc.
• vc-stack-name
Configure the boot loader parameter vc-stack-name on the active CPM-IMM node to identify the VC
of which the nodes are members. A node configured with a vc-stack-name of ‟my-stack” is a member
node of the VC ‟my-stack”. The system-name variable in the configure system name command can
be reused as the boot loader vc-stack-name value. A node cannot be added to a VC if its vc-stack-
name value does not match that of the current active CPM-IMM.
• vc-stack-node-type
Specify the node role as either cpm-imm or imm-only using the boot loader BOF parameter vc-stack-
node-type. The default setting is imm-only. Users need to modify the default only for nodes that can
take on the role of CPM by changing the setting to cpm-imm. The BOF parameter does not need to
be modified for nodes whose role is IMM. Users can configure two nodes in the stack to be cpm-imm
nodes.
In addition, to operate the VC users must also configure the following commands in the TiMOS BOF
context:
• vc-stack-node
Use the command bof>vc-stack-node {cpmA | cpmB} slot-num slot-num mac-addr mac-address
to configure the slot number and the MAC address of the CPM nodes. The VC stack node cpmA and
cpmB parameters can also be configured through the boot loader BOF menu prompts.
The slot number identifies a specific node in the VC (similar to the slot ID of a card in a chassis-based
system) and is used in addressing service objects created during provisioning. The slot number also
is used to light up the correct LED on the front-panel of the node, enabling operators to see which slot
is configured with the VC node (the stack LED also denotes that the node is part of a VC and is fully
functional). The slot number of the active and standby CPM-IMMs can be set to any number from 1 to
8, as long as it is not in use by another VC member node. An arbitration process during the boot phase
ensures that one of the CPM nodes is the active CPM and the other is the standby CPM.
The MAC address must match the base MAC address printed on the label of the chassis.
• eth-mgt-address
Configure the management IP address for the two CPM nodes using the command bof>eth-mgmt-
address ip-prefix/ip-prefix-length [active | standby]. The Ethernet management IP address configured
as active provides the IP address of the active node, which a management station can use to operate
the stack. The management IP address configured as standby provides connectivity to the standby
node.
5.2.2 Manually configuring nodes to boot as CPM-IMM in a VC
About this task
The CPM-IMM nodes are configured through the BOF and do not require further configuration to be part of
the VC. Perform the following steps to manually boot and configure CPM-IMM nodes in a VC:
Procedure
Step 1. Identify the two nodes that will take on the CPM role.
3HE 18197 AAAB TQZZA
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