Dell PowerConnect B-DCX-4s User's Guide download pdf (Page 22)

10 Flow Vision Administrator’s Guide

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Flow Monitor management

The following sections describe how to manage the Flow Monitor feature.

Creating Flow Monitor flows

To create a Flow Monitor flow, enter the flow --create flowname -feature monitor parameters

command using the parameters in Table 5. Figure 1 on page 2 illustrates how the frame and port

parameters apply to a flow.

Table 5 shows the supported Flow Monitor flow parameter combinations.

Parameter usage exceptions

The following restrictions apply to parameter usage in Flow Monitor flow definitions:

• The -lun and -bidir parameters cannot be used together in a flow definition.

• Flow Monitor does not support learning flows using the -frametype, -lun, or -bidir parameters.

The following example creates a Flow Monitor flow named “Flow1” that monitors all traffic flowing

from device 010403 to device 020504 ingressing through port 10 on the switch on which this

command was run.

switch:admin> flow --create Flow1 -feature monitor -ingrport 10 -srcdev 010403 -dstdev 020504

When you create a flow, it is automatically activated unless you use the -noactivate keyword as part

of the flow --create command. Refer to “Creating an inactive flow in Flow Monitor” on page 11 for

an example of this option.

ATTENTION

Flow creation is not allowed if Advanced Performance Monitor or Port Mirroring is enabled. Similarly,

APM and Port Mirroring-related operations will not be allowed if any flow (active or defined) is

present on the switch.

TABLE 5 Flow Monitor flow parameter combinations

Parameters Field names Description

Port ingrport

egrport

• One field only must be specified

• Values must be explicit

• Can be an F-Port, E-Port, or EX-Port on a local switch

Frame srcdev

dstdev

lun

frametype

• At least one field must be specified

• Values for srcdev and dstdev can be explicit or “*” (“*” indicates learned flows)

• Values for lun and frametype must be explicit

Optional keyword parameters

-bidir Adding this keyword makes the application monitor traffic in both directions.

-noactivate Adding this keyword creates the flow without activating it.

-noconfig Adding this keyword creates the flow without saving the flow to the configuration.

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Dell PowerConnect B-DCX-4s User's Guide Page 22