Reference Guide
206 IP Addressing
–
Prefix Length
— For global Unicast or Anycast, enter the length of the
IPv6 prefix. The length is a decimal value that indicates how many of
the high-order contiguous bits of the address comprise the prefix (the
network portion of the address). The Prefix field is applicable only on a
static IPv6 address defined as a
Global IPv6
address.
–
EUI-64
— For global Unicast or Anycast, check to use the EUI-64
option.
Defining IPv6 Interfaces Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the IPv6 Interface pages.
Table 8-15. IPv6 Interfaces CLI Commands
CLI Command Description
ipv6 enable
no ipv6 enable
Enables the IPv6 addressing mode on an
interface.
Use the no form of this command to
disable the IPv6 addressing mode on an
interface
ipv6 address autoconfig
no ipv6 address autoconfig
Enables automatic configuration of IPv6
addresses, using stateless auto
configuration on an interface. Addresses
are configured depending on the prefixes
received in Router Advertisement
messages.
Use the no form of this command to
disable address auto configuration on the
interface.
ipv6 icmp error-interval
milliseconds [bucketsize]
no ipv6 icmp error-interval
Configures the rate limit interval and
bucket size parameters for IPv6 Internet
Control Message Protocol (ICMP) error
messages.
Use the no form of this command to
return the interval to its default setting.










