Cisco Catalyst 3750-X Command Reference

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Catalyst 3750-X and 3560-X Switch Command Reference
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Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands
show mac address-table learning
show mac address-table learning
Use the show mac address-table learning user EXEC command to display the status of MAC address
learning for all VLANs or the specified VLAN.
show mac address-table learning [vlan vlan-id]
Syntax Description
Command Modes User EXEC
Command History
Usage Guidelines Use the show mac address-table learning command without any keywords to display configured
VLANs and whether MAC address learning is enabled or disabled on them. The default is that MAC
address learning is enabled on all VLANs. Use the command with a specific VLAN ID to display the
learning status on an individual VLAN.
Examples This is an example of output from the show mac address-table learning user EXEC command showing
that MAC address learning is disabled on VLAN 200:
Switch> show mac address-table learning
VLAN Learning Status
---- ---------------
1 yes
100 yes
200 no
Related Commands
vlan vlan-id (Optional) Display information for a specific VLAN. The range is 1 to 4094.
Release Modification
12.2(53)SE2 This command was introduced.
Command Description
mac address-table learning vlan Enables or disables MAC address learning on a VLAN.

Cisco Catalyst 3750-X Specifications

General

Switching Capacity	160 Gbps
Stacking Bandwidth	64 Gbps
Max Stacking Units	9
Layer Support	Layer 2 and Layer 3
Form Factor	Rack-mountable
DRAM	256 MB
Flash Memory	64 MB
Model	Cisco Catalyst 3750-X Series
Ports	24 or 48 10/100/1000 Ethernet ports
Uplink Interfaces	4 SFP or 2 SFP+
Features	StackWise Plus, EnergyWise
Image	IP Base or IP Services
Operating Temperature	0 to 40°C
Operating Humidity	10 to 85% noncondensing