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How to enable flow on your Dell PowerConnect Switch

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This sample configuration is based on a Dell PowerConnect 6000 series switch. Other models may have slight configuration variations.

Notes:

Access your switch’s CLI

  1. Telnet or SSH into your Dell router.
  2. Enter privileged mode by typing enable and entering your enable password.

Configure NetFlow

In this section, we’ll:

  • Set the destination to which we’ll send flow packets
  • Set the timeout for when we want NetFlow configuration to expire (never, so a large number is set)
  • Enable polling and sampling on all interfaces we want to collect flow for
  • Commit these changes to memory

Note: for the third and fourth lines of configuration, you need to pre-determine the port address range for which you’d like to export flow. For example, for a 16-port single chassis switch, you’d use: 1/g1-1/g16.

On your router, type:

sflow 1 destination 208.76.14.247 20013
sflow 1 destination owner 1 timeout 4294967295
sflow 1 polling Ethernet 1g1-1/g16
sflow 1 sampling Ethernet 1/g1-1/g16
exit
end

All done.

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