Cisco IOS Cookbook 中文精简版第二十五章 IPv6 …

interface FastEthernet0/0

Router1(config-if)#ipv6 address AAFF::1/64 anycast

Router1(config-if)#exit

Router1(config)#end

Router1#

配置 link-local地址

Router1#configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Router1(config)#ipv6 unicast-routing

Router1(config)#interface FastEthernet0/0

Router1(config-if)#ipv6 address FE80::1 link-local

Router1(config-if)#exit

Router1(config)#end

Router1#

注释 配置了unicast地址会自动根据EUI方式生成Linklocal地址。Anycast在root dns遭受攻击中发挥了很大作用，看一个命令输出

Router1#show ipv6 interface FastEthernet0/0

FastEthernet0/0 is up, line protocol is up

IPv6 is enabled, link-local address is FE80::20E:84FF:FE24:4E70

Global unicast address(es):

AAAA::1, subnet is AAAA::/64

AAFF::1, subnet is AAFF::/64 [ANY]

Joined group address(es):

FF02::1

FF02::2

FF02::1:FF00:1

FF02::1:FF24:4E70

MTU is 1500 bytes

ICMP error messages limited to one every 100 milliseconds

ICMP redirects are enabled

ND DAD is enabled, number of DAD attempts: 1

ND reachable time is 30000 milliseconds

ND advertised reachable time is 0 milliseconds

ND advertised retransmit interval is 0 milliseconds

ND router advertisements are sent every 200 seconds

ND router advertisements live for 1800 seconds

Hosts use stateless autoconfig for addresses.

Router1#

25.3. 配置IPv6 DHCP服务

提问 在路由器上启用DHCP服务器特性来提供IPv6地址

回答

Router1#configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Router1(config)#ipv6 dhcp database flash:/DHCPv6-db

Router1(config)#ipv6 local pool VLAN10-pool AAAA:1::/48 64

Router1(config)#ipv6 local pool VLAN11-pool AAAA:11::/48 64

Router1(config)#ipv6 dhcp pool DHCPv6POOL

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