Cisco Systems ASA5515K9 Network Router User Manual


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Cisco ASA 5500 Series Configuration Guide using the CLI
Chapter 8 Completing Interface Configuration (Routed Mode)
Completing Interface Configuration in Routed Mode
Detailed Steps
Command Purpose
Step 1
For the ASA 5510 and higher:
interface {{redundant number |
port-channel number |
physical_interface}[.subinterface] |
mapped_name}
For the ASA 5505:
hostname(config)# interface vlan number
Example:
hostname(config)# interface
gigabithethernet 0/0
If you are not already in interface configuration mode, enters
interface configuration mode.
The redundant number argument is the redundant interface ID,
such as redundant 1.
The port-channel number argument is the EtherChannel interface
ID, such as port-channel 1.
See the “Enabling the Physical Interface and Configuring
Ethernet Parameters” section for a description of the physical
interface ID.
Append the subinterface ID to the physical or redundant interface
ID separated by a period (.).
In multiple context mode, enter the mapped_name if one was
assigned using the allocate-interface command.
Step 2
Do one of the following:
ipv6 address autoconfig
Example:
hostname(config-if)# ipv6 address
autoconfig
Enables stateless autoconfiguration on the interface. Enabling
stateless autoconfiguration on the interface configures IPv6
addresses based on prefixes received in Router Advertisement
messages. A link-local address, based on the Modified EUI-64
interface ID, is automatically generated for the interface when
stateless autoconfiguration is enabled.
Note Although RFC 4862 specifies that hosts configured for
stateless autoconfiguration do not send Router
Advertisement messages, the ASA does send Router
Advertisement messages in this case. See the ipv6 nd
suppress-ra command to suppress messages.
ipv6 address ipv6-address/prefix-length
[standby ipv6-address]
Example:
hostname(config-if)# ipv6 address
2001:0DB8::BA98:0:3210/48
Assigns a global address to the interface. When you assign a
global address, the link-local address is automatically created for
the interface.
standby specifies the interface address used by the secondary unit
or failover group in a failover pair.
See the “IPv6 Addresses” section on page B-5 for more
information about IPv6 addressing.
ipv6 address ipv6-prefix/prefix-length
eui-64
Example:
hostname(config-if)# ipv6 address
2001:0DB8::BA98::/48 eui-64
Assigns a global address to the interface by combining the
specified prefix with an interface ID generated from the interface
MAC address using the Modified EUI-64 format. When you
assign a global address, the link-local address is automatically
created for the interface.
You do not need to specify the standby address; the interface ID
will be generated automatically.
See the “IPv6 Addresses” section on page B-5 for more
information about IPv6 addressing.