# listlinkup
If the link for a connector is reported as not present, the link at either end of the cable
is down. If a port is down, use the enableswitchport 0 portnumber command
to bring the port up. Alternatively, use the ibdevreset command to reset the switch
chip.
See the Sun Network QDR InfiniBand Gateway Switch Administration Guide, "Enable a
Switch Chip Port" and "Reset the Switch Chip".
After making sure that the link is up, you can verify the InfiniBand fabric.
The following is an output example of the listlinkup command:
# listlinkup
Connector 0A Present <-> Switch Port 20 up (Enabled)
Connector 1A Present <-> Switch Port 22 up (Enabled)
Connector 2A Present <-> Switch Port 24 up (Enabled)
.
.
.
Connector 15A Not present
Connector 0A-ETH Present
Bridge-0-1 Port 0A-ETH-1 up (Enabled)
Bridge-0-1 Port 0A-ETH-2 up (Enabled)
Bridge-0-0 Port 0A-ETH-3 up (Enabled)
Bridge-0-0 Port 0A-ETH-4 up (Enabled)
Connector 1A-ETH Present
Bridge-1-1 Port 1A-ETH-1 up (Enabled)
Bridge-1-1 Port 1A-ETH-2 up (Enabled)
Bridge-1-0 Port 1A-ETH-3 up (Enabled)
Bridge-1-0 Port 1A-ETH-4 up (Enabled)
Connector 0B Present <-> Switch Port 19 up (Enabled)
Connector 1B Present <-> Switch Port 21 up (Enabled)
.
.
.
Connector 15B Not present
#
12.1.6 Verify the InfiniBand Fabric
Use the following commands on the command-line interface (CLI) to verify that the
InfiniBand fabric is operational:
1. ibnetdiscover
Discovers and displays the InfiniBand fabric topology and connections. See
Discover the InfiniBand Network Topology.
2.
ibdiagnet
Performs diagnostics upon the InfiniBand fabric and reports status. See Perform
Diagnostics on the InfiniBand Fabric.
3.
ibcheckerrors
Checks the entire InfiniBand fabric for errors. See Validate and Check Errors in the
InfiniBand Fabric.
Using Sun Network QDR InfiniBand Gateway Switches
Use the InfiniBand Gateway Switches 12-5
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