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Fabric OS Administrator’s Guide 515
53-1002745-02
Trunk monitoring
20
Deleting all fabric mode Top Talker monitors
1. Connect to the switch and log in using an account with admin permissions.
2. Enter the perfTTmon
--delete fabricmode command.
perfttmon --delete fabricmode
All Top Talker monitors are deleted.
Trunk monitoring
To monitor E_Port (ISL) and F_Port trunks, you can set monitors only on the master port of the
trunk. If the master changes, the monitor automatically moves to the new master port.
If a monitor is installed on a port that later becomes a slave port when a trunk comes up, the
monitor automatically moves to the master port of the trunk.
Notes
• End-to-end monitors are supported for ISLs only on the Brocade 6505, 6510, 6520, and
DCX 8510 family.
• If an EE monitor is installed on a trunk group and you disable the trunk, the EE monitor will be
installed only on the last master port of that trunk group, which may not be the actual port on
which the EE monitor was installed when the trunk was enabled.
• For F_Port trunks, end-to-end masks are allowed only on the F_Port trunk master. Unlike the
monitors, if the master changes, the mask does not automatically move to the new master
port.
• All platforms support 12 frame monitors for trunks, except for the Brocade 300, which
supports 8 frame monitors for trunks.
• For the Brocade 8000, trunk monitoring is supported only on the FC ports and not on the CEE
ports.
Saving and restoring monitor configurations
To prevent the switch configuration flash from running out of memory, the number of monitors
saved to flash memory is limited as follows:
• The total number of EE monitors per port is limited to 16.
• The total number of frame monitors per port is limited to 16.
• The total number of monitors per switch is limited to 512.
When there are more than 512 monitors in the system, monitors are saved to flash memory in the
following order:
• The EE monitors for each port (from 0 to MAX_PORT)
• The frame monitors for each port
EE monitors get preference saving to flash memory when the total number of monitors in a switch
exceeds 512. If the total number of monitors per port or switch exceeds the limit, then you will
receive an error message indicating the count has been exceeded and that some monitors have
been discarded.