522 CHAPTER 39: DUAL STACK CONFIGURATION
Enable the IPv6 packet forwarding function ipv6 Required
Disabled by 
default. 
Enter interface view interface interface-type 
interface-number 
- 
Configure an IPv4 address for the interface ip address ip-address 
{ mask | mask-length } 
[ sub ] 
Required
By default, no IP 
address is 
configured. 
Configure 
an IPv6 
address on 
the interface 
Configure 
IPv6 global 
unicast 
address or 
local address 
Manually specify 
an IPv6 address 
ipv6 address 
{ ipv6-address 
prefix-length | 
ipv6-address/prefix-length
} 
Use either 
command.
By default, no 
local address or 
global unicast 
address is 
configured on an 
interface 
Configure an IPv6 
address in the 
EUI-64 format 
ipv6 address 
ipv6-address/prefix-length 
eui-64
Configure 
IPv6 
link-local 
address 
Automatically 
create an IPv6 
link-local address 
ipv6 address auto 
link-local 
Optional
By default, after 
you configured 
an IPv6 local 
address or global 
unicast address, a 
link local address 
is automatically 
created. 
Manually specify 
an IPv6 link-local 
address 
ipv6 address 
ipv6-address link-local
To do… Use the command…  Remarks