16-5
Cisco ASA 5500 Series Configuration Guide using ASDM
Chapter16 Completing Interface Configuration (Transparent Mode, 8.3 and Earlier)
Setting the Management IP Address for a Transparent Firewall (8.3 and Earlier)
This address must be on the same subnet as the upstream and downstream routers. You cannot set the
subnet to a host subnet (255.255.255.255). The standby keyword and address is used for failover.
Step3 From the Subnet Mask drop-down list, choose a subnet mask, or enter a subnet mask directly in the field.
Step4 Click Apply.
Configuring the IPv6 Address
This section describes how to configure the global address or the link-local address, and includes the
following topics:
Information About IPv6, page16-5
Configuring the Global Address, page16-7
Configuring the Link-Local Addresses Automatically, page16-7
Configuring the Link-Local Address on an Interface Manually, page16-8
Configuring DAD Settings, page16-8
Information About IPv6
This section includes information about how to configure IPv6, and includes the following topics:
IPv6 Addressing, page 16-5
Duplicate Address Detection, page16-6
Modified EUI-64 Interface IDs, page16-6
Unsupported Commands, page16-6
IPv6 Addressing
You can configure two types of unicast addresses for IPv6:
Global—The global address is a public address that you can use on the public network. This address
needs to be configured per device or context, and not per-interface. You can also configure a global
IPv6 address for the management interface.
Link-local—The link-local address is a private address that you can only use on the
directly-connected network. Routers do not forward packets using link-local addresses; they are
only for communication on a particular physical network segment. They can be used for address
configuration or for the ND functions such as address resolution and neighbor discovery. Because
the link-local address is only available on a segment, and is tied to the interface MAC address, you
need to configure the link-local address per interface.
At a minimum, you need to configure a link-local address for IPv6 to operate. If you configure a global
address, a link-local addresses is automatically configured on each interface, so you do not also need to
specifically configure a link-local address. If you do not configure a global address, then you need to
configure the link-local address, either automatically or manually.