#Cisco mac address prefix mac
Sets the MAC address for this interface in H.H.H format, where H is a 16-bit hexadecimal digit. Define the pool using the mac-address poolcommand. Mac-address Syntax Descriptionįor a cluster in individual interface mode (see the cluster interface-modecommand), or for a management interface in any cluster interface mode, sets a pool of MAC addresses to be used for a given The MAC address to the default, use the no form of this command.
For an individual interface in a cluster, you can assign a cluster pool of MAC addresses. In multiple context mode, this command can assign a different MAC address to the To manually assign a private MAC address to an interface or subinterface, use the mac-addresscommand in interface configuration mode. Specifies a virtual MAC address for a physical interface. The following partial example shows a possible configuration for a failover group:Ĭiscoasa(config-fover-group)# preempt 100Ĭiscoasa(config-fover-group)# mac address e1 011 012ĭefines a failover group for Active/Active failover. If you set the MACĪddress using multiple methods, the MAC address used depends on many variables, and might not be predictable. You can also set the MAC address using other commands or methods, but we recommend using only one method. To avoid having duplicate MAC addresses on your network, make sure you assignĮach physical interface a virtual active and standby MAC address.
The default virtual MAC addresses are determined. MAC addresses assigned to the interfaces on one pair as are assigned to the interfaces of the other pairs because of the way If you have more than one Active/Active failover pair on the same network, it is possible to have the same default virtual If the virtual MAC addresses are not defined for the failover group, the default values are used. The following table shows the modes in which you can enter the command: Standby unit default MAC address: 00a0.c9 physical_port_number The MAC address must be entered in h.h.h format, where h is a 16-bit hexadecimalĪctive unit default MAC address: 00a0.c9 physical_port_number The virtual MAC address for the standby unit.
The MAC address must be entered in h.h.h format, where h is a 16-bit hexadecimal The virtual MAC address for the active unit. The physical name of the interface to set the MAC address. To restore the default virtual MAC addresses, use the no form of this command. To specify the virtual MAC addresses for the active and standby units, use the mac address command in failover group configuration mode. match certificate skip revocation-check.match certificate allow expired-certificate (deprecated).
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