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vTap supports automatic discovery of Analytic F_Port (AF_Port) when a Brocade Analytics
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Monitoring Platform is attached to the fabric. An AF_Port is a mirror port on the Analytics
Monitoring Platform designated as the destination of information sent from vTap-enabled ports on
a fabric switch.
Support for Analytics E_Port (AE_Port) connectivity between fabric switches and the Brocade Analytics
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Monitoring Platform through Analytics Switch Link (ASL)
ASLs are Gen 5 Fibre Channel links dedicated for carrying information from vTap-enabled ports on
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fabric switches to Brocade Analytics Monitoring Platform.
ASLs do not carry normal data traffic unless they are the only paths from hosts to targets.
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Enhancement to MAPS for monitoring AE_Port and vTap
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Add Fabric Performance Impact (FPI) monitoring for latency and congestion monitoring on AE_Port
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Add FPI monitoring for back-end ports with active vTap on a fabric switch
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Add Switch Resource monitoring for vTap traffic IOPS with active vTap on a fabric switch
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FOS v7.4 Obsoleted FOS Features
The following features supported in FOS v7.3 and earlier releases are obsolete beginning with FOS v7.4:
Fabric Watch
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Advanced Performance Monitoring (APM)
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Users running Fabric Watch for switch monitoring in FOS v7.3 are advised to convert to MAPS monitoring
before upgrading to FOS v7.4. Converting Fabric Watch to MAPS before upgrading to FOS v7.4 can preserve
Fabric Watch threshold configurations. If users choose to upgrade to FOS v7.4 without converting to MAPS,
Fabric Watch will stop functioning after the firmware upgrade and the Fabric Watch thresholds cannot be
automatically migrated for use by MAPS. Please refer to the Fabric OS MAPS Administrator's Guide for step-by-
step migration instructions.
Users running APM in FOS v7.3 are required to remove all monitors before upgrading to FOS v7.4 by using the
following commands:
1. Enter perfdeleemonitor to remove all End-to-end monitors.
2. Enter perfcfgsave to save this change.
3. Enter fmmonitor --delmonitor to remove all filter monitors.
4. Enter fmmonitor --delete frametype to remove the specified user-defined frametype.
5. Enter perfttmon --delete to remove all switch level Top Talker monitors.
6. Enter perfttmon --delete fabricmode to remove fabric mode Top Talker monitors.
After upgrading to FOS v7.4, the APM monitors will stop functioning. Users can use the Flow Vision features as
part of Fabric Vision for performance monitoring. Please refer to the Fabric OS Flow Vision Administrator's
Guide for detailed instructions on removing APM monitors and Flow Vision feature configurations.
Brocade Fabric Vision licenses are required for MAPS and Flow Vision. The combination of Brocade Fabric
Watch license and Brocade APM license enables the MAPS and Flow Vision features. For switches with only
Fabric Watch licenses or only APM licenses, users can acquire and install the missing license to acquire MAPS
and Flow Vision features.
Fabric OS 7.4.1a Release Notes v3.0
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