思科路由器上實測ipv6地址
阿新 • • 發佈：2019-01-23
#沒有配置ipv6地址的介面
r1#sh run int fa1/0
interface FastEthernet1/0
ip address 172.16.12.1 255.255.255.0
duplex auto
speed auto
end
r1#sh ipv6 int bri
FastEthernet1/0 [up/up]
unassigned
FastEthernet1/1 [administratively down/down]
unassigned
r1(config)#int fa1/0
r1(config-if)#ipv6 addr ?
WORD General prefix name
X:X:X:X::X IPv6 link-local address
X:X:X:X::X/<0-128> IPv6 prefix
autoconfig Obtain address using autoconfiguration
#配置本地鏈路地址不成功，因為ipv6的link-local地址必須是fe80::/16開頭的
r1(config-if)#ipv6 addr 3333::1 link-local
% Invalid link-local address
#先配置ipv6 prefix地址
r1(config-if)#ipv6 addr 3333::1/112
r1(config-if)#do sh run int fa1/0
interface FastEthernet1/0
ip address 172.16.12.1 255.255.255.0
duplex auto
speed auto
ipv6 address 3333::1/112
#配置了prefix地址後，會自動配置link-local
r1#sh ipv6 int bri
FastEthernet1/0 [up/up]
FE80::C800:14FF:FE38:1C
3333::1
FastEthernet1/1 [administratively down/down]
unassigned
#可以手動配置link-local，覆蓋掉自動生成的link-local
#一個介面只能有一個link-local，配置多條前面的會被覆蓋
#一個介面可配置多條prefix地址
r1(config-if)#ipv6 addr fe80::1 link-local
r1(config-if)#ipv6 addr fe80::1:1 link-local
r1(config-if)#ipv6 addr fe80::3:1:1 link-local
r1(config-if)#ipv6 addr 4444::1/112
r1#sh int fa1/0
interface FastEthernet1/0
ip address 172.16.12.1 255.255.255.0
duplex auto
speed auto
ipv6 address 3333::1/112
ipv6 address 4444::1/112
ipv6 address FE80::3:1:1 link-local
end