Command Reference Guide

Layer 2 | 921
Defaults
75 (75% of the MAC CAM for MAC address learning)
Command Modes
CONFIGURATION
Usage
Information
After setting the CAM partition size, the line card resets.
Related
Commands
mac learning-limit
c e s
z
Limit the maximum number of MAC addresses (static + dynamic) learned on a selected
interface.
Syntax
mac learning-limit address_limit [vlan vlan-id] [dynamic] [station-move]
Parameters
Defaults
On C-Series, the default behavior is no-station-move + static.
On E-Series, the default behavior is
station-move + static.
On S-Series, the default behavior is dynamic.
“Static” means manually entered addresses, which do not age.
Command Modes
INTERFACE
Command
History
100
Enter the keyword 100 to set aside 100% of the MAC CAM for MAC
address learning.
With this configuration, no MAC ACLs are processed.
slot-number
Enter the line card slot number.
Range: 0 to 13 for the E1200
0 to 6 for the E600
0 to 5 for the E300
show mac cam Display the current MAC CAM partition values.
address_limit
Enter the maximum number of MAC addresses that can be learned
on the interface.
Range: 1 to 1000000
vlan vlan-id
E-Series only: Enter the keyword followed by the VLAN ID.
Range: 1 to 4094
dynamic
(OPTIONAL) Enter the keyword dynamic to allow aging of MACs
even though a learning limit is configured.
station-move
(OPTIONAL) Enter the keyword station-move to allow a station
move on learned MAC addresses.
Version 8.3.12.0 Deprecated parameter no-station-move (replaced by mac-learning-limit
mac-address-sticky
command).
Version 8.3.7.0 Introduced on S4810