CISCO MAC ADDRESS TABLE DROP HOW TO
CISCO MAC ADDRESS TABLE DROP FULL
CISCO MAC ADDRESS TABLE DROP SERIES

If hosts do not transmit continuously, increase the aging time to record the dynamic entries for a longer time and thus reduce the possibility of flooding when the hosts transmit again. Use the no form of this command to return to the default aging-time interval.

Use the mac-address-table aging-time configuration command to set the length of time that a dynamic entry can remain in the MAC address table, from the time the entry was used or last updated.

CISCO MAC ADDRESS TABLE DROP HOW TO

The following shows how to configure the IP address for the switch on a subnetted class B network: No IP address is defined for the interface.Īn interface can have one primary IP address.

To remove an IP address or disable IP processing, use the no form of this command. To set a primary or secondary IP address for an interface, use the ip address interface configuration command. Switch(config)# interface fastethernet2/1

CISCO MAC ADDRESS TABLE DROP FULL

The following example shows how to set port 1 on module 2 to full duplex:

CISCO MAC ADDRESS TABLE DROP SERIES

Note See the Catalyst 2900 Series XL Installation and Configuration Guide for guidelines on setting the switch speed and duplex parameters. Setting the fixed ports to auto will have the same effect as specifying half if the attached device does not autonegotiate the duplex parameter. All fixed ports can be configured for either full or half duplex. Applicability of this command depends on the device to which the switch is attached. Specifies that the interface should automatically detect whether it should run in full- or half-duplex mode.Ĭertain interfaces can be configured to be either full duplex or half duplex. Specifies that the interface is in half-duplex mode. Specifies that the interface is in full-duplex mode. Use the no form of this command to return the interface to its default value. Use the duplex interface configuration command to specify the duplex mode of operation for an interface. The following example shows how to clear the switch MAC address table: If more than one optional keyword is used, then all of the conditions in the argument must be true for that entry to be deleted. Specific subsets can be deleted by using the optional keywords and values. This command deletes entries from the global MAC address table. Ĭlear all the addresses for an interface. Use the clear mac-address-table EXEC command to delete entries from the MAC address table. Specify the interval between Hello Bridge Protocol Data Units (BPDUs).Ĭhange the interval the switch waits to hear BPDUs from the root bridge.Ĭonfigure the priority of an individual bridge or the likelihood that it will be selected as the root bridge.Ĭonfigure the Spanning-Tree Protocol priority of a port.ĭefine the type of Spanning-Tree Protocol. Specify the forward delay interval for the switch. Place this interface into a port aggregation groupīroadcast traffic is disabled if too many broadcast packets are seen on this port.ĭisable Spanning-Tree Protocol for the switch. Prevent the flooding of unknown destination MAC addresses and multicast address on this interface.

Specify the duplex mode of operation for an interface. Set a primary or secondary IP address of an interface. Set the length of time that a dynamic entry can remain in the address table.Įnable address learning on the current interface.Īdd entries to the address table that are known to be secure addresses. Table 2-1 Commands Created or Changed for the Catalyst 2900 Series XL Commandsĭelete all addresses currently in the MAC address table.ĭisplay the blocking of unicast and multicast filtering for the port.ĭisplay the ports that have been assigned to groups.ĭisplay the ports that have had port monitoring enabled for them.ĭisplay the ports that have had port security enabled.ĭisplay the disposition of broadcast-storm control. So even though it may seem overwhelming at first, keep at it as no one said getting your Cisco certification would be easy! As you progress through your CCNA exam studies, I am sure with repetition you will find these commands becoem second nature. So to assist you, below we provided you a list of Cisco Switch Commands you may see on your CCNA exam. In preparation of your CCNA exam, we want to make sure we cover the various concepts that we could see on your Cisco CCNA exam.

Cisco mac address table drop