Dell Force10 S4810P FTOS Command Line Reference Guide for the S4810 System FTO - Page 1034
MAC Learning Limit violation logs and actions are not available on a per-VLAN basis.
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Page 1034 highlights
Defaults Command Modes Command History Usage Information Related Commands dynamic station-move (OPTIONAL) Enter the keyword dynamic to allow aging of MACs even though a learning limit is configured. (OPTIONAL) Enter the keywords station-move to allow a station move on learned MAC addresses. • 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. NOTE: "Static" means manually entered addresses, which do not age. INTERFACE Version 8.3.11.1 Version 8.3.12.0 Version 8.3.7.0 Version 8.3.1.0 Version 8.2.1.0 Version 7.7.1.0 Version 6.5.1.0 Introduced on the Z9000. Deprecated the no-station-move command (replaced by the mac-learning-limit mac-address-sticky command). Introduced on the S4810. Added the vlan option on the E-Series. Introduced on the S-Series. Introduced on the C-Series. Added the station-move option. Added support for MAC Learning-Limit on the LAG. This command and its options are supported on physical interfaces, static LAGs, LACP LAGs, and VLANs. If you do not specify the vlan option, the MAC address counters is not VLAN-based. That is, the sum of the addresses learned on all VLANs (not having any learning limit configuration) is counted against the MAC learning limit. MAC Learning Limit violation logs and actions are not available on a per-VLAN basis. With the keyword no-station-move option, MAC addresses learned through this feature on the selected interface persist on a per-VLAN basis, even if received on another interface. Enabling or disabling this option has no effect on already learned MAC addresses. After the MAC address learning limit is reached, the MAC addresses do not age out unless you add the dynamic option. To clear statistics on MAC address learning, use the clear counters command with the learning-limit parameter. NOTE: If you configure this command on an interface in a routed VLAN, and after the MAC addresses learned reaches the limit set in the mac learning-limit command, IP protocols are affected. For example, VRRP sets multiple VRRP Masters and OSPF may not come up. When a channel member is added to a port-channel and there is not enough ACL CAM space, the MAC limit functionality on that port-channel is undefined. When this occurs, un-configure the existing configuration first and then reapply the limit with a lower value. clear counters - Clear counters used in the show interface command. 1034
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