Displaying information about learned mac addresses, Figure 107: port security port status – LevelOne GSW-4876 User Manual

Page 228

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C

HAPTER

5

| Monitoring the Switch

Displaying Information About Security Settings

– 228 –

D

ISPLAYING

I

NFORMATION

A

BOUT

L

EARNED

MAC

A

DDRESSES

Use the Port Security Port Status page to show the entries authorized by

port security services, including MAC address, VLAN ID, time added to

table, age, and hold state.

P

ATH

Monitor, Security, Network, Port Security, Port

P

ARAMETERS

These parameters are displayed:

MAC Address – The MAC address seen on this port. If no MAC

addresses are learned, a single row stating “No MAC addresses

attached” is displayed.

VLAN ID – The VLAN ID seen on this port.

State – Indicates whether the corresponding MAC address is blocked

or forwarding. In the blocked state, it will not be allowed to transmit or

receive traffic.

Time of Addition – Shows the date and time when this MAC address

was first seen on the port.

Age/Hold – If at least one user module has decided to block this MAC

address, it will stay in the blocked state until the hold time (measured

in seconds) expires. If all user modules have decided to allow this MAC

address to forward, and aging is enabled, the Port Security module will

periodically check that this MAC address is still forwarding traffic. If the

age period (measured in seconds) expires and no frames have been

seen, the MAC address will be removed from the MAC table. Otherwise

a new age period will begin.
If aging is disabled or a user module has decided to hold the MAC

address indefinitely, a dash (-) will be shown.

W

EB

I

NTERFACE

To display information about the MAC address learning through the Port

Security module, click Monitor, Security, Network, Port Security, Port.

Figure 107: Port Security Port Status

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