本帖最后由 wuhao0015 于 2017-1-12 11:03 编辑 倒腾无止境。。。
家用宽带现在可以PPPOE获取到电信240E开头是IPv6地址,经电脑单独PPPOE拨号后IPv4和IPv6地址都可以正常使用。
现在问题是使用思科CISCO 892路由器后IPv4可以正常上网,IPv6该怎么玩呢?现在PPPOE拨号后可以正常获取到IPv6的地址但是怎么让内网用户也能使用电信的IPv6地址呢?
环境:南京电信,HG8245光猫,CISCO892路由器,客户端。
还有既然使用IPv6我的客户端想直接使用电信240E地址,不想在用IPv6的NAT出去?
问题1,如何让客户端获取电信的240E开头地址?
问题2,拨号获取到电信IPv6地址后,它会在每天更换动态IPv4公网地址的时候又会增加一个IPv6地址,那么这个IPv6之前的地址是否正常可用,如不能正常使用,怎么配置是之在更换v4地址后重新只获取一个v6地址?
我的v6相关配置:
ipv6 unicast-routing
ipv6 cef
interface Dialer1
bandwidth 50000
ip address negotiated
no ip redirects
no ip unreachables
no ip proxy-arp
ip mtu 1492
ip nat outside
ip virtual-reassembly in max-reassemblies 512
encapsulation ppp
dialer pool 1
dialer idle-timeout 0
dialer persistent
dialer-group 1
ipv6 address autoconfig --------由于配置了he.net的tunnel这里没有加default参数
ipv6 enable
ppp authentication chap pap callin
ppp chap hostname xxx
ppp chap password 7 xxx
ppp pap sent-username xxx password 7 xxx
end
interface Vlan49
ip address 192.168.49.254 255.255.255.0
ip nat inside
ip virtual-reassembly in max-reassemblies 512
ipv6 enable
设备已将重启三天,获取了三个v6地址:
#show ipv6 interface dialer 1
Dialer1 is up, line protocol is up
IPv6 is enabled, link-local address is FE80::669E:F3FF:FE68:XXX
No Virtual link-local address(es):
Stateless address autoconfig enabled
Global unicast address(es):
240E:EC:413:B2CC:669E:F3FF:FE68:XXX, subnet is 240E:EC:413:B2CC::/64 [EUI/CAL/DEP]
valid lifetime 51523 preferred lifetime 0
240E:EC:413:98CF:669E:F3FF:FE68:XXX, subnet is 240E:EC:413:98CF::/64 [EUI/CAL/PRE]
valid lifetime 224421 preferred lifetime 138021
240E:EC:613:9623:669E:F3FF:FE68:XXX, subnet is 240E:EC:613:9623::/64 [EUI/CAL/PRE]
valid lifetime 258078 preferred lifetime 171678
Joined group address(es):
FF02::1
FF02::2
FF02::1:FF68:69A4
MTU is 1500 bytes
ICMP error messages limited to one every 100 milliseconds
ICMP redirects are enabled
ICMP unreachables are sent
Input features: Dialer i/f override
Output features: Dialer idle reset
ND DAD is enabled, number of DAD attempts: 1
ND reachable time is 30000 milliseconds (using 30000)
ND advertised reachable time is 0 (unspecified)
ND advertised retransmit interval is 0 (unspecified)
ND router advertisements are sent every 200 seconds
ND router advertisements live for 1800 seconds
ND advertised default router preference is Medium
ND RAs are suppressed (periodic)
Hosts use stateless autoconfig for addresses.
请教各位大神了~~!