How do S series switches handle packets with all-0 MAC addresses

Created: May 28, 2019 12:15:55Latest reply: May 28, 2019 12:16:26 52 1 0 0
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How do S series switches handle packets with all-0 MAC addresses

  • x
  • convention:

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All_About_Switch
Official Created May 28, 2019 12:16:26 Helpful(0) Helpful(0)

Hello!

You can configure an S series (except the 1700) and E series switch to discard or forward packets with all-0 source or destination MAC addresses.
 
The drop illegal-mac enable command enables a switch to discard packets with all-0 MAC addresses. By default, a switch does not discard packets with all-0 MAC addresses.

The drop illegal-mac alarm command configures a switch to generate an alarm when receiving packets with all-0 MAC addresses.
 
Note: 

The drop illegal-mac alarm command allows a switch to generate only one alarm. To enable the switch to generate more than one alarm, reconfigure the drop illegal-mac alarm command.
  • x
  • convention:

All Answers
All_About_Switch
All_About_Switch Official Created May 28, 2019 12:16:26 Helpful(0) Helpful(0)

Hello!

You can configure an S series (except the 1700) and E series switch to discard or forward packets with all-0 source or destination MAC addresses.
 
The drop illegal-mac enable command enables a switch to discard packets with all-0 MAC addresses. By default, a switch does not discard packets with all-0 MAC addresses.

The drop illegal-mac alarm command configures a switch to generate an alarm when receiving packets with all-0 MAC addresses.
 
Note: 

The drop illegal-mac alarm command allows a switch to generate only one alarm. To enable the switch to generate more than one alarm, reconfigure the drop illegal-mac alarm command.
  • x
  • convention:

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