H3C S3100 8C SI - Page 896

Operation Manual – IPv6 Management
H3C S3100 Series Ethernet Switches Chapter 1 IPv6 Configuration
1-11
z To enable a host to access a public IPv6 network, you need to assign an IPv6
global unicast address to it.
IPv6 site-local addresses and global unicast addresses can be configured in either of
the following ways:
z EUI-64 format: When the EUI-64 format is adopted to form IPv6 addresses, the
IPv6 address prefix of an interface is the configured prefix and the interface
identifier is derived from the link-layer address of the interface.
z Manual configuration: IPv6 site-local addresses or global unicast addresses are
configured manually.
IPv6 link-local addresses can be acquired in either of the following ways:
z Automatic generation: The device automatically generates a link-local address for
an interface according to the link-local address prefix (FE80::/64) and the
link-layer address of the interface.
z Manual assignment: IPv6 link-local addresses can be assigned manually.
Table 1-5 Configure an IPv6 unicast address
To do... Use the command... Remarks
Enter system view
system-view
—
Enter VLAN interface view
interface interface-type
interface-number
—
Manually
assign an IPv6
address
ipv6 address { ipv6-address
prefix-length |
ipv6-address/prefix-length }
Configure
an IPv6
global
unicast
address or
site-local
address
Adopt the
EUI-64 format
to form an
IPv6 address
ipv6 address
ipv6-address/prefix-length
eui-64
Use either command
By default, no
site-local address or
global unicast
address is
configured for an
interface.
Note that the prefix
specified by the
prefix-length
argument in an
EUI-64 address
cannot exceed 64
bits in length.
Automatically
generate a
link-local
address
ipv6 address auto
link-local
Configure
an IPv6
link-local
address
Manually
assign a
link-local
address for an
interface.
ipv6 address ipv6-address
link-local
Optional
By default, after an
IPv6 site-local
address or global
unicast address is
configured for an
interface, a link-local
address will be
generated
automatically.