S5720 port security

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S5720 port security

Created: Aug 30, 2018 15:52:53Latest reply: Sep 10, 2018 01:57:35 681 3 0 0 0

display all floors ^1#

The documentation says:

If a PC connects to the switch using an IP phone, set the maximum number of secure MAC addresses to 3 because the IP phone occupies two MAC address entries and the PC occupies one MAC address entry. The VLAN IDs in two MAC address entries used by the IP phone are different.

But when I display the port MACs it shows only 2.

<SWITCH>disp mac-address g0/0/5

-------------------------------------------------------------------------------

MAC Address VLAN/VSI Learned-From Type

-------------------------------------------------------------------------------

1860-24e3-b7f8 503/- GE0/0/5 dynamic

487b-6b2e-902b 1503/- GE0/0/5 dynamic
-------------------------------------------------------------------------------

Total items displayed = 2

¿Is it really necessary to set the MAX number of MACs to 3?

Thanks

This post was last edited by TlatoaniPakal at 2018-08-30 16:40.

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TlatoaniPakal Created Sep 3, 2018 14:36:38

As it turns out, it is not necessary, it works just fine with max number of MACs = 2, I have an S5270 with a few PC-IP phone combos, working properly.

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Sergio93

Created Sep 8, 2018 07:06:26

Thanks for sharing this.

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HC_David

Created Sep 10, 2018 01:57:35

Thanks for sharing this.

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