114 Chapter 3 Using the console interface212859-ATable 15 describes the MAC Address Security Configuration screen fields.Table 15 MAC Address Security Configuration screen fieldsField DescriptionMAC Address Security When this field is set to enabled, the switch checks source MAC addressesof packets that arrive on secure ports against MAC addresses listed in theMAC Address Security Table for allowed membership. If the switch detects asource MAC address that is not an allowed member, the switch drops thepackets.Default DisabledRange Disabled, EnabledMAC Address SecuritySNMP-LockedWhen this field is set to enabled, the MAC address security screens cannotbe modified using SNMP.Default DisabledRange Disabled, EnabledClear by Ports This field clears the specified port (or ports) that are listed in the AllowedSource Port(s) field of the MAC Address Security Table screen (see “MACAddress Security Table screens” on page 117). When you specify a port (orports) to be cleared using this field, the specific port (or ports) will be clearedfor each of the entries listed in the MAC Address Security Table. If you totallyclear the allowed Source Port(s) field (leaving a blank field) for an entry, theassociated MAC address for that entry is also cleared.Default NONERange NONE, ALL, a port number list (for example, 1, 6, etc.)Learn by Ports All source MAC addresses of any packets received on the specified port (orports) are added to the MAC Security Table when the Current Learning Modefield is set to Learning in Progress. You cannot include any of the port valueswhose security is enabled. You must disable port security for that port.Default NONERange NONE, ALL, a port number list (for example, 1, 6, etc.)Current Learning Mode Indicates the current learning mode for the switch ports. When this field is setto Learning in Progress, all source MAC addresses of any packets receivedon the specified port (or ports) are added to the MAC Security Table(maximum of 448 MAC address entries allowed). If you exceed the limit of448 entries, the system prompts you with an alert message.Default DisabledRange Disabled, Enabled
