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From the Global Configuration mode prompt, type “ipv6 general prefix
prefix-name ipv6-prefix/prefix-length,” where the “prefix-name” is a label
identifying the network segment, “ipv6-prefix” specifies the high-order bits of the
network address, and “prefix length” indicates the actual number of bits used in
the network prefix. Press <Enter>.
From the global configuration mode prompt, type “interface vlan 1” to access
the interface-configuration mode. Press <Enter>.
From the interface prompt, type “ipv6 address prefix-name ipv6-address/
prefix-length,” where “prefix-length” indicates the address bits used to form the
network portion of the address. (The network address starts from the left of the
general prefix and should encompass some of the ipv6-address bits.) The
remaining bits are assigned to the host interface. Press <Enter>.
Type “exit” to return to the global configuration mode prompt. Press <Enter>.
To set the IP address of the IPv6 default gateway for the network to which the
switch belongs, type “ipv6 default-gateway gateway,” where “gateway” is the
IPv6 address of the default gateway. Press <Enter>.
To generate an IPv6 global unicast address for the switch using a general network
prefix, complete the following steps:
1.
2.
3.
4.
5.
2-10
Console(config)#ipv6 general-prefix rd 2001:DB8:2222::/48
Console(config)#interface vlan 1
Console(config-if)#ipv6 address rd 0:0:0:7272::72/64
Console(config-if)#exit
Console(config)ipv6 default-gateway 2001:DB8:2222:7272::254
41-17
Console(config)end
Console#show ipv6 interface
Vlan 1 is up
IPv6 is enable.
Link-local address:
FE80::200:E8FF:FE90:0/64
Global unicast address(es):
2001:DB8:2222:7272::72, subnet is 2001:DB8:2222:7272::/64
Joined group address(es):
FF01::1/16
FF02::1/16
FF02::1:FF72:64/104
FF02::1:FF90:0/104
MTU is 1500 bytes.
ND DAD is enabled, number of DAD attempts: 1.
ND retransmit interval is 1000 milliseconds
Console#show ipv6 default-gateway
ipv6 default gateway:
2
001:DB8:2222:7272::254
41-8
27-1
41-9
41-14
4
1
-
17
Initial Configuration
2