Setting a mask for end-to-end monitors, Figure 7 mask positions for end-to-end monitors, 7 mask positions for end-to-end monitors – HP Brocade 4Gb SAN Switch for HP BladeSystem p-Class User Manual

Page 148

148 Administering advanced performance monitoring

Setting a mask for end-to-end monitors

End-to-end monitors count the number of words in Fibre Channel frames that match a specific SID/DID

pair. If you want to match only part of the SID or DID, you can set a mask on the port to compare only

certain parts of the SID or DID. By default, the frame must match the entire SID and DID to trigger the

monitor. By setting a mask, you can choose to have the frame match only one or two of the three fields

(Domain ID, Area ID, and AL_PA) to trigger the monitor.

NOTE:

Only one mask per port can be set. When you set a mask, all existing end-to-end monitors

are deleted.

You can specify a mask using the

perfsetporteemask

command in the form

dd:aa:pp

, where

the Domain ID mask,

is the Area ID mask, and

is the AL_PA mask. The values for dd, aa, and pp

are either

(the field must match) or

(the field is ignored). The default EE mask value is

ff:ff:ff

The command sets the mask for all end-to-end monitors of a port. If any end-to-end monitors are

programmed on a port when the

perfsetporteemask

command is issued, a message appears similar

to that in the following example:

The

perfsetporteemask

command sets a mask for the Domain ID, Area ID, and AL_PA of the SIDs and

DIDs for frames transmitted from and received by the port.

Figure 7

shows the mask positions in the command. A mask (

) is set on slot 1, port 2 to compare the

AL_PA fields on the SID and DID in all frames (transmitted and received) on port 2. The frame SID and DID

must match only the AL_PA portion of the specified SID-DID pair. Each port can have only one EE mask.

The mask is applied to all end-to-end monitors on the port. Individual masks for each monitor on the port

cannot be specified.

Figure 7

Mask positions for end-to-end monitors

To display the current end-to-end mask of a port, use the

perfshowporteemask

command. The

end-to-end mask has 12 fields, each with a value of on or off.

switch:admin> perfsetporteemask 1/2, “00:00:ff”

EE monitors are currently programmed on this port. Changing EE mask

for this port will cause ALL EE monitors on this port to be deleted.

Do you want to continue? (yes, y, no, n): [no] y

EE mask on port is set and EE monitors were deleted

perfsetporteemask

1/2, “00:00:ff” “00:00:ff” “00:00:ff” “00:00:ff”

SID mask

DID mask

Transmitted from port

Received by port

AL_PA mask

Area ID mask

Domain ID mask

SID mask

DID mask