Cisco ASA Series Cli Configuration Manual page 493

Chapter 1 Completing Interface Configuration (Transparent Mode)
%ASA-3-325003: EUI-64 source address check failed.
The address format verification is only performed when a flow is created. Packets from an existing flow
are not checked. Additionally, the address verification can only be performed for hosts on the local link.
Packets received from hosts behind a router will fail the address format verification, and be dropped,
because their source MAC address will be the router MAC address and not the host MAC address.
Unsupported Commands
The following IPv6 commands are not supported in transparent firewall mode, because they require
router capabilities:
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Configuring a Global IPv6 Address
To configure a global IPv6 address for a bridge group or management interface, perform the following
steps.
Note
Configuring the global address automatically configures the link-local address, so you do not need to
configure it separately.
Restrictions
The ASA does not support IPv6 anycast addresses.
Prerequisites
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ipv6 address autoconfig
ipv6 nd prefix
ipv6 nd ra-interval
ipv6 nd ra-lifetime
ipv6 nd suppress-ra
Set up your interfaces depending on your model:
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ASA 5510 and higher—Chapter 1, "Starting Interface Configuration (ASA 5510 and Higher)."
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ASA 5505—Chapter 1, "Starting Interface Configuration (ASA 5505)."
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ASASM—Chapter 1, "Configuring the Switch for Use with the ASA Services Module."
In multiple context mode, you can only configure context interfaces that you already assigned to the
context in the system configuration according to the
page 1-15.
In multiple context mode, complete this procedure in the context execution space. To change from
the system to a context configuration, enter the changeto context name command.
Completing Interface Configuration in Transparent Mode
"Configuring Multiple Contexts" section on
Cisco ASA Series CLI Configuration Guide
1-17