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Example
Adding a Subnet Manager
Adding additional subnet managers (in addition to the one that is provided by default on the InfiniBand
system) should only be done by experienced users.
In the event that an additional switch is added to an InfiniBand fabric, an additional subnet manager is
added by default (one is the master, and one is the standby).
In most instances, you should use the default subnet manager.
1. Enter the ib sm subnet-prefix prefix command.
You must enter a subnet-prefix that does not currently have a subnet manager configured.
Example
A new subnet manager will be added with the selected subnet-prefix.
2. Configure the attributes for the subnet manager. Refer to “Changing the Subnet Manager
Configurations” on page 83.
About InfiniBand Multicast Groups
An InfiniBand Multicast Group is a collection of Host Channel Adapter (HCA) ports that receive
multicast packets sent to a single address.
The configuration and members of a multicast group can be viewed through the CLI, but cannot be
modified through these screens.
Topspin-360> enable
Topspin-360# config
Topspin-360(config)# ib sm subnet-prefix fe:80:00:00:00:00:00:00:00:00
resync-interval 60
Topspin-360> enable
Topspin-360# config
Topspin-360(config)# ib sm subnet-prefix fe:80:00:00:00:00:00:01