Subinterfaces-All subinterfaces of a physical interface use the same burned-in MAC address. The port-channel MAC address, then the port-channel MAC address changes to the next lowest numbered interface, thus causing If you remove the interface that was providing We recommend configuringĪ unique MAC address in case the group channel interface membership changes. Alternatively you can configure a MAC address for the port-channel interface. The port-channel interface uses a unique MAC address from a pool interface membershipĮtherChannels (ASA Models)-The port-channel interface uses the lowest-numbered channel group interface MAC address as the This feature makes theĮtherChannel transparent to network applications and users, because they only see the one logical connection they have no If you assign a MAC address to the redundant interface, then it is used regardless of the memberĮtherChannels (Firepower Models)-For an EtherChannel, all interfaces that are part of the channel group share the same MAC address. The order of the member interfaces in the configuration, then the MAC address changes to match the MAC address of the interface Redundant interfaces-A redundant interface uses the MAC address of the first physical interface that you add. Interfaces-The physical interface uses the burned-in MAC address. Unique MAC addresses to subinterfaces allows for unique IPv6 link-local addresses, which can avoid traffic disruption in certainĭefault MAC address assignments depend on the type of interface. Also, because IPv6 link-local addresses are generated based on the MAC address, assigning For example, your service provider might performĪccess control based on the MAC address. You might want to assign unique MAC addresses to subinterfaces defined on the ASA, because they use the same burned-in MAC address of the parent interface. (for all interfaces assigned to a context). Multiple context mode, you can automatically generate unique MAC addresses You can manually assign MAC addresses to override the default. Intra-Interface Communication (Routed Firewall Mode).
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This section describes advanced interface settings.
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Setting the correct MTU and maximum TCP segment size isĮssential for the best network performance.
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Set the TCP maximum segment size (TCP MSS), and how to allow same security This chapter describes how to configure MACĪddresses for interfaces, how to set the maximum transmission unit (MTU), and
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ASA Cluster for the Firepower 4100/9300 Chassis.Logical Devices for the Firepower 4100/9300.
#Cisco asa asdm on mac software
Licenses: Smart Software Licensing (ASAv, ASA on Firepower).
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