Configuring Ipv6 Addressing And Enabling Ipv6 Host - Cisco Catalyst 2360 Software Configuration Manual

Configuring IPv6

Configuring IPv6 Addressing and Enabling IPv6 Host

This section describes how to assign IPv6 addresses to individual interfaces and to globally forward IPv6
traffic on the switch.
Before configuring IPv6 on the switch, consider this:
•
To forward IPv6 traffic on an interface, you must configure a global IPv6 address on that interface.
Configuring an IPv6 address on an interface automatically configures a link-local address and activates
IPv6 for the interface. The configured interface automatically joins these required multicast groups for
that link:
•
•
•
For more information about configuring IPv6, see the "Implementing Addressing and Basic
Connectivity for IPv6" chapter in the Cisco IOS IPv6 Configuration Library on Cisco.com.
Beginning in privileged EXEC mode, follow these steps to assign an IPv6 address to an interface and
enable IPv6 forwarding:
Command
Step 1 configure terminal
Step 2
interface interface-id
Step 3 ipv6 address ipv6-prefix/prefix length eui-64
or
ipv6 address ipv6-address link-local
or
ipv6 enable
Step 4 end
Step 5 show ipv6 interface interface-id
Step 6 copy running-config startup-config
Catalyst 2360 Switch Software Configuration Guide
27-6
In the ipv6 address interface configuration command, you must enter the ipv6-address and
ipv6-prefix variables with the address specified in hexadecimal using 16-bit values between colons.
The prefix-length variable (preceded by a slash [/]) is a decimal value that shows how many of the
high-order contiguous bits of the address comprise the prefix (the network portion of the address).
solicited-node multicast group FF02:0:0:0:0:1:ff00::/104 for each unicast address assigned to the
interface (this address is used in the neighbor discovery process.)
all-nodes link-local multicast group FF02::1
all-routers link-local multicast group FF02::2
Purpose
Enter global configuration mode.
Enter interface configuration mode, and specify the Layer 3
interface to configure. The interface can be a physical interface,
a switch virtual interface (SVI), or a Layer 3 EtherChannel.
Specify a global IPv6 address with an extended unique identifier
(EUI) in the low-order 64 bits of the IPv6 address. Specify only
the network prefix; the last 64 bits are automatically computed
from the switch MAC address. This enables IPv6 processing on
the interface.
Specify a link-local address on the interface to be used instead
of the link-local address that is automatically configured when
IPv6 is enabled on the interface. This command enables IPv6
processing on the interface.
Automatically configure an IPv6 link-local address on the
interface, and enable the interface for IPv6 processing. The
link-local address can only be used to communicate with nodes
on the same link.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
Chapter 27 Configuring IPv6 Unicast Hosts
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