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HP A3100-8 v2 SI Configuration Manual: Disabling Mac Address Learning

A3100 v2 switch series layer 2 - lan switching.
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To do...
Enter system view
Configure MAC
address table
entries
Follow these steps to add or modify a MAC address table entry in interface view:
To do...
Enter system view
Enter interface view
Configure a MAC address table
entry

Disabling MAC address learning

Sometimes, you might need to disable MAC address learning to prevent the MAC address table from
being saturated, for example, when your switch is being attacked by a large amount of packets with
different source MAC addresses.
Disabling MAC address learning on ports
After enabling global MAC address learning, you can disable the function on a single port, or on all
ports in a port group as needed.
Follow these steps to disable MAC address learning on an interface or a port group:
To do...
Enter system view
Enter
interface view
or port group
view
Disable MAC address learning on
the interface or all ports in the port
group
Use the command...
system-view
Configure static or
dynamic MAC
address table
entries
Configure
blackhole MAC
address table
entries
Use the command...
system-view
interface interface-type
interface-number
mac-address { dynamic | static }
mac-address vlan vlan-id
Use the command...
system-view
Enter Layer 2
Ethernet interface
interface interface-type
view or Layer 2
interface-number
aggregate interface
view
Enter port group
port-group manual
view
port-group-name
mac-address mac-learning
disable
mac-address { dynamic | static }
mac-address interface interface-type
interface-number vlan vlan-id
mac-address blackhole mac-address
vlan vlan-id
19
Remarks
Required
Use either command.
Make sure that you
have created the VLAN
and assign the interface
to the VLAN.
Remarks
Required
Ensure that you have created the
VLAN and assign the interface to
the VLAN
Remarks
Required
Use either command.
The configuration made in Layer
2 Ethernet or Layer 2 aggregate
interface view takes effect on the
current interface only. The
configuration made in port group
view takes effect on all the
member ports in the port group.
Required
Enabled by default.

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