Disabling Global Mac Address Learning; Disabling Mac Address Learning On Ports; Configuring The Aging Timer For Dynamic Mac Address Entries - HP 5120 EI Series Lan Switching Configuration Manual
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Also See for 5120 EI Series:
- Configuration manual (304 pages) ,
- Installation manual (92 pages) ,
- Specification (51 pages)
Table of Contents
Disabling global MAC address learning
Disabling global MAC address learning disables the learning function on all ports.
To disable MAC address learning:
Step
1.
Enter system view.
2.
Disable global MAC address
learning.
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.
To disable MAC address learning on an interface or a port group:
Step
1.
Enter system view.
2.
Enable global
MAC address
learning.
3.
Enter interface
view or port group
view.
4.
Disable MAC
address learning
on the interface or
all ports in the port
group.
Configuring the aging timer for dynamic MAC
address entries
The MAC address table uses an aging timer for dynamic MAC address entries for security and efficient
use of table space. If a dynamic MAC address entry has failed to update before the aging timer expires,
the device deletes that entry. This aging mechanism ensures that the MAC address table can quickly
update to accommodate the latest network changes.
Set the aging timer appropriately. Too long an aging interval might cause the MAC address table to
retain outdated entries, exhaust the MAC address table resources, and fail to update its entries to
Command
system-view
mac-address mac-learning disable
Command
system-view
undo mac-address mac-learning
disable
•
Enter Layer 2 Ethernet interface
view or Layer 2 aggregate
interface view:
interface interface-type
interface-number
•
Enter port group view:
port-group manual
port-group-name
mac-address mac-learning disable
24
Remarks
N/A
Enabled by default.
Remarks
N/A
Optional
Enabled by default.
Use either command.
Settings in Layer 2 Ethernet interface view
or Layer 2 aggregate interface view take
effect on the interface only. Settings in
port group view take effect on all member
ports in the port group.
For more information about configuring a
port group, see "Configuring Ethernet
interfaces."
Enabled by default.
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