C
HAPTER
10
| IP Commands
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COMMAND USAGE
◆ To connect to a larger network with multiple subnets, you must
configure a global unicast address. This address can be automatically
configured using this command, or it can be manually configured using
the ip ipv6 setup command (page 219).
◆ When autoconfiguration is enabled, the network portion of the address
is based on prefixes received in IPv6 router advertisement messages
observed on the local interface, and the host portion is automatically
generated using the modified EUI-64 form of the interface identifier;
i.e., the switch's MAC address.
EXAMPLE
IP/IPv6>autoconfig enable
IP/IPv6>autoconfig
IPv6 AUTOCONFIG mode : Enabled
IPv6 Link-Local Address: fe80::2e1:ff:fe00:0
IPv6 Address : ::192.168.2.10
IPv6 Prefix : 96
IPv6 Router : ::
IPv6 VLAN ID : 1
IP/IPv6>
ip ipv6 setup This command displays or sets the switch's IPv6 address and gateway for
the specified VLAN.
SYNTAX
ip ipv6 setup [ipv6-addr] [ipv6-prefix] [ipv6-gateway] [vlan-id]
ipv6-addr - The full IPv6 address of the switch including the
network prefix and host address bits.
ipv6-prefix - A decimal value indicating how many contiguous bits
(starting at the left) of the address comprise the prefix.
ipv6-gateway - The IPv6 address of the default next hop router to
use when the management station is located on a different network
segment
vlan-id - VLAN to which the management address is assigned.
(Range: 1-4095)
DEFAULT SETTING
IPv6 Address: ::192.168.2.10
Prefix: 96 bits – The default prefix length specifies that the first six colon-
separated values comprise the network portion of the address.
COMMAND USAGE
◆ All IPv6 addresses must be formatted according to RFC 2373 “IPv6
Addressing Architecture,” using 8 colon-separated 16-bit hexadecimal
values. One double colon may be used in the address to indicate the
appropriate number of zeros required to fill the undefined fields.
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