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ib sm
Defaults
Table 4-1
Variable
sm-key
priority
sweep-interval
response-timeout
max-hops
mad-retries
node-timeout
response-timeout
wait-report-response
sa-mad-queue-depth
Command Modes
Global Configuration (config) mode.
Usage Guidelines
Platform Availability:
Cisco SFS 3001, Cisco SFS 7000, Cisco SFS 7008, Cisco SFS 3012, Cicso 4x InfiniBand Switch Module
for IBM BladeCenter
Privilege Level:
General read-write user.
The subnet manager:
•
•
•
•
One subnet manager administers the InfiniBand fabric. All InfiniBand hosts run on this one subnet. The
subnet manager loads upon bootup.
Each node in the fabric has a subnet management agent (SMA) to shuttle communication requests
between the node and the subnet manager. Communication between the subnet manager and the subnet
management agent uses the common management datagram (MAD) message structure.
Only multicast and p_Key configuration attributes are synchronized between master and standby SMs.
If other attributes are changed, they must be manually issued at the standby SMs as well.
If, in the future, there is a change in the location of standby SMs, run the command show config to list
all of the configuration changes previously made at the master SM. Then replay the configuration
changes at the new standby SMs.
Cisco SFS 7000 Series Product Family Command Reference Guide
4-10
ib sm subnet-prefix Command Defaults
Default
00:00:00:00:00:00:00:00
10
10 seconds
400 microseconds
64
5
10
200
false
256
Discovers the subnet topology and dynamically updates it at a specified sweep interval that you
specify with the interval variable.
Assigns the local identifiers (LIDs), global identifier (GID) subnet prefix, and partition keys for
each HCA port.
Assigns the LIDs, GID subnet prefix, and forwarding databases for each switch on the subnet.
Maintains the end-node and service databases of the subnet, providing a GUID to LID/GID
resolution service as well as a services directory.
Chapter 4
InfiniBand Commands
OL-9163-02
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