Fabric OS Administrator’s Guide 303
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Excluding a port from bottleneck detection
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By default, alerts are not sent unless you specify the alert parameter; however, you can view a
history of bottleneck conditions for the port as described in “Displaying bottleneck statistics”
on page 307.
3. Repeat step 1 and step 2 on every switch in the fabric.
Best practice is to use the default values for the alerting and sub-second latency criterion
parameters.
Example of enabling bottleneck detection
(Preferred use case) The following example enables bottleneck detection on the switch with alerts
using default values for thresholds and time.
switch:admin> bottleneckmon --enable -alert
The following example enables bottleneck detection on the switch without alerts. Although alerts
are not delivered in bottleneck conditions, you can view the bottleneck history using the CLI.
switch:admin> bottleneckmon --enable
Excluding a port from bottleneck detection
When you exclude a port from bottleneck detection, no data is collected from the port and no alerts
are generated for the port. All statistics history for the port is discarded.
Alerting parameters for the port are preserved, so if you later include the port for bottleneck
detection, the alerting parameters are restored.
Per-port exclusions might be needed if, for example, a long-distance port is known to be a
bottleneck because of credit insufficiency. In general, however, per-port exclusions are not
recommended.
For trunking, if you exclude a slave port from bottleneck detection, the exclusion has no effect as
long as the port is a trunk slave. The exclusion takes effect only if the port becomes a trunk master
or leaves the trunk.
1. Connect to the switch to which the target port belongs and log in using an account with admin
permissions.
2. Enter the bottleneckmon
--exclude command to exclude the port from bottleneck detection.
To later include the port, enter the bottleneckmon
--include command.
Example
switch:admin> bottleneckmon --exclude 4
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