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QSW-3200-28T
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Qtech QSW-3200-28T Руководство пользователя онлайн [99/136] 481609

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 Enable/disable MAC address learning

 Modify MAC address learning mode

 Configure system MAC address aging time

Use mac-address-table age-time command in global configuration mode to configure MAC

address aging time. Use no mac-address age-time command to restore it to default time.

mac-address-table age-time { agetime | disable }

no mac-address-table age-time

Agetime means MAC address aging time which ranges from 1 to 1048575 seconds. Default

MAC address aging time is 300 seconds. Disable means MAC address not aging. Use no

command to restore the default MAC address aging time.

For example:

! Configure MAC address aging time to be 3600 seconds

QTECH(config)#mac-address-table age-time 3600

! Restore MAC address aging time to be 300 seconds

QTECH(config)#no mac-address-table age-time

 Display MAC address aging time

show mac-address-table age-time

Use show mac-address-table age-time command to display MAC address aging time.

show mac-address-table age-time

For example:

! Display MAC address aging time.

QTECH(config)#show mac-address-table aging-time

Set MAC address table entries Configure MAC address item

 Add MAC address

mac-address-table { dynamic | permanent | static } mac interface interface-num vlan vlan-id

 Add MAC adress

MAC address table can be added manually besides dynamically learning.

mac-address-table { dynamic | permanent | static } mac interface interface-num vlan vlan-id

Parameter mac, vlan-id and interface-num corresponded to the three attributions of the new

MAC address table item.

MAC address attribution can be configured to be dynamic, permanent and static. Dynamic

MAC address can be aging; permanent MAC address will not be aging and this MAC address

will exist after rebooting; static MAC address will not be aging, but it will be lost after rebooting.

For example:

! Add mac address 00:01:02:03:04:05 to be static address table.

QTECH(config)#mac-address-table static 00:01:02:03:04:05 interface ethernet 0/1 vlan 1

 Add blackhole MAC address

System can configure MAC address table item to be blackhole item. When the source address

or destination address is blackhole MAC address, it will be dropped.

mac-address-table blackhole mac vlan vlan-id

For example:

! When tagged head of the packet is VLAN 1, forbid packet with its source address or

destination address being 00:01:02:03:04:05 to go through system

QTECH(config)#mac-address-table blackhole 00:01:02:03:04:05 vlan 1

 Delete MAC address item

Use no mac-address-table command to remove mac address table.

Qtech QSW-3200-28T Руководство пользователя онлайн [99/136] 481609

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