Cisco ASA Series Cli Configuration Manual page 406

Information About Starting ASA 5510 and Higher Interface Configuration
Information About Starting ASA 5510 and Higher Interface
Configuration
This section includes the following topics:
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Auto-MDI/MDIX Feature
For RJ-45 interfaces on the ASA 5500 series, the default auto-negotiation setting also includes the
Auto-MDI/MDIX feature. Auto-MDI/MDIX eliminates the need for crossover cabling by performing an
internal crossover when a straight cable is detected during the auto-negotiation phase. Either the speed
or duplex must be set to auto-negotiate to enable Auto-MDI/MDIX for the interface. If you explicitly set
both the speed and duplex to a fixed value, thus disabling auto-negotiation for both settings, then
Auto-MDI/MDIX is also disabled. For Gigabit Ethernet, when the speed and duplex are set to 1000 and
full, then the interface always auto-negotiates; therefore Auto-MDI/MDIX is always enabled and you
cannot disable it.
Interfaces in Transparent Mode
Interfaces in transparent mode belong to a "bridge group," one bridge group for each network. You can
have up to eight bridge groups of four interfaces each per context or in single mode. For more
information about bridge groups, see the
Management Interface
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Management Interface Overview
You can manage the ASA by connecting to:
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Cisco ASA Series CLI Configuration Guide
1-2
Auto-MDI/MDIX Feature, page 1-2
Interfaces in Transparent Mode, page 1-2
Management Interface, page 1-2
Redundant Interfaces, page 1-5
EtherChannels, page 1-5
Management Interface Overview, page 1-2
Management Slot/Port Interface, page 1-3
Using Any Interface for Management-Only Traffic, page 1-3
Management Interface for Transparent Mode, page 1-4
No Support for Redundant Management Interfaces, page 1-4
Management 0/0 Interface on the ASA 5512-X through ASA 5555-X, page 1-4
Any through-traffic interface
A dedicated Management Slot/Port interface (if available for your model)
Chapter 1 Starting Interface Configuration (ASA 5510 and Higher)
"Bridge Groups in Transparent Mode" section on page 1-2.