Deleting Filter-Based Monitors; Monitoring Isl Performance; Predefined Values At Offset 0 - HP A7533A - Brocade 4Gb SAN Switch Base Administrator's Manual

frame (SOF). When the offset is set to 0, the values 0–7 that are checked against that offset are predefined
as shown in Table
Table 79

Predefined values at offset 0

Value
0
1
2
3
If the switch does not have enough resources to create a given filter, then other filters might have to be
deleted to free resources.
The following example adds filter-based monitors:
switch:admin> perfaddusermonitor 4/2, "12, 0xff, 0x05, 0x08; 9, 0xff,
0x02" "FCP/IP"
User monitor #5 added
switch:admin> perfaddusermonitor 1/2, "0, 0xff, 6"
User Monitor #6 added
Two filter-based monitors are added. The first monitor (#5) counts all FCP and IP frames transmitted from
domain 0x02 for slot 4, port 2. The FCP and IP protocols are selected by monitoring offset 12, mask 0xff
and matching values of 0x05 or 0x08. Domain 2 is selected by monitoring offset 9, mask 0xff, and
matching a value of 0x02. The monitor counter is incremented for all outgoing frames from port 2 where
byte 9 is 0x02 and byte 12 is 0x05 or 0x08.
The second monitor (#6) is for SOFi3 on slot 1, port 2.

Deleting filter-based monitors

To delete a filter-based monitor:
1. Enter the perfDelFilterMonitor command to delete a specific monitor.
If you do not specify which monitor number to delete, you are asked if you want to delete all entries.
The following example deletes monitor number 1 on slot 1, port 4 using the perfDelFilterMonitor
command:
switch:admin> perfdelfiltermonitor 1/4, 1
The specified filter-based monitor is deleted.

Monitoring ISL performance

ISL monitoring is set up on E_Ports automatically in release 4.4.0 and later.
An ISL monitor measures traffic to all reachable destination domains for an ISL, showing which destination
domain is consuming the most traffic. If there are more than 16 domains, the monitor samples traffic and
extrapolates the measurement.
EE monitors on E_Ports are deleted when they become part of an ISL.
ISL monitors are deleted when Top Talker is installed and are restored when Top Talker is deleted. (See
"Identifying top bandwidth users (Top
You can monitor ISL performance using the perfMonitorShow command, as described in
monitor counters"." You can clear ISL counters using the perfMonitorClear command, as described in
"Clearing monitor
ISL monitoring is not supported on the DC Director.
79.
SOF Value
SOFf 4
SOFc1 5
SOFi1 6
SOFn1 7
Talkers)" for information about Top Talker monitors.)
counters" on page 359.
SOF
SOFi2
SOFn2
SOFi3
SOFn3
Fabric OS 6.x administrator guide 351
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