r1-r2区域
r1/2局域网访问公网
先将r1/2之间的私网跑通，基于192.168.1.0，r2/3/4公网跑通R2/3缺省指向r3，r1缺省指向r2，r2上配置两条静态通往r1
R2
acl 2000
rule permit source 192.168.0.0 0.0.255.255
int g0/0/1
nat outbound 2000
左接口ipv4算得ipv6
2002：1701：0101：0000：：/64 - 2002：1701：0101：ffff：：/64
配置
ipv6
int loo0
ipv6 enable
ipv6 add 2002：1701：0101：0000::1/64
int g0/0/0
ipv6 enable
ipv6 add 2002：1701：0101：0001::2/64
R1
ipv6
int g0/0/1
ipv6 enable
ipv6 add 2002：1701：0101：0001::1/64
int loo0
ipv6 enable
ipv6 add 2002：1701：0101：0002::1/65
int loo1
ipv6 enable
ipv6 add 2002：1701：0101：0002:8000::1/65
Ripng
R1
int loo0
ripng 1 enable
int loo1
ripng 1 enable
intg0/0/0
ripng 1 enable
int g0/0/0
ripng 1summary-address 2002：1701：0101：0002:: 64 汇总
R2
int g0/0/0
ripng 1enable
int loo0
ripng 1enable
display ipv6 routing-table protocol ripng 查看路由表
Tunnel
R2
int tunn 0/0/0I
pv6 enable
ipv6 add 2002：1701：0101：0003::1/64
tunnel-protocol ipv6-ipv4 6to4
source 23.1.1.1
ipv6 rote-static 2002:: 16 tunnel0/0/0 定义只要以2002：：16开头的流量都走tunnel
r1上还没有到r2tunnle的路由，可以给r1写一条缺省，也可以在r2上下放缺省到
ripng
int g0/0/0
ripng default-route only only代表只发缺省
Korginate将所有的下发，缺省和环回
公网右边部分
ipv6地址：基于r4的公网接口演算所得
34.1.1.
22002：2201:0102:: /48
2002:2201:0102:: /49 AS1
2002:2201:0102:: /64 - 2001:2201:0102:7fff::/64
2002:2201:0102:8000:: /49 AS2
2002::2201:0102:8000:: /64 - 2002:2201:0102:ffff::/64
AS1
R4
ipv6
int loo0
ipv6 add 2002:2201:0102::1/64
int g0/0/1
ipv6 enavle
ipv6 add 2002:2201:0102:0001::1/64
R5
ipv6
int g0/0/0
ipv6 enable
ipv6 add 2002:2201:0102::2/64
AS2
R5
ipv6
int g0/0/1
ipv6 enable
ipv6 add 2002:2201:0102:8000::/64
int g0/0/1
ipv6 enable
ipv6 add 2002:2201:0102:8001::/64
R6
ipv6
int loo0
ipv6 enable
ipv6 add 2002:2201:0102:8002::/64
int g0/0/0
ipv6 enavle
ipv6 add 2002:2201:0102:8001::2/64
int g0/0/1
ipv6 enable
ipv6 2002:2201:0102:8003::1/64
R7
ipv6
int g0/0/0
ipv6 enable
ipv6 add 2002:2201:0102:8003::2/64
int loo0
ipv6 enable
ipv6 add 2002:2201:0102:8004::1/64
int g0/0/1
ipv6 enable
ipv6 2002:2201:0102:8005::1/64
R8
ipv6
int g0/0/0
ipv6 enable
ipv6 add 2002:2201:0102:8005::2/64
int loo0
ipv6 enable
ipv6 add 2002:2201:0102:8006::1/64
先使内网可通
ospf协议
R5
ospfv3
router-id 5.5.5.5
int g0/0/10
spfv3 1 area 0
int loo0
ospfv3 1 area 0
R6
ospfv3
router-id 6.6.6.6
int g0/0/0
ospfv3 1 area 0
int loo0
ospfv3 1 area 0
ing 0/0/1
ospfv3 1 area 0
R7
ospfv3
router-id 7.7.7.7
int g0/0/0
ospfv3 1 area 0
int loo0
ospfv3 1 area 0
int g0/0/1
ospfv3 1 area 0
R8
ospfv3
router-id 8.8.8.8
int g0/0/0
ospfv3 1 area 0
int loo0
ospfv3 1 area 0
查看邻居关系
display ospfv3 peer
查看ospfv3的路由表
display ipv6 routing-table protocol ospfv3
r4-5之间建立bgp邻居关系
Bgp 1
R4
router-id 4.4.4.4
peer 2002:2201:102:1::2 as-number 2
ipv6-family
peer 2002:2201:102:1::2 enable 进入ipv6再次宣告
R5
bgp 64512
confenderration id 2
router-id 5.5.5.5
peer 2002:2201:102:1::1 as-unmber 1
ipv6
ipv6-family
peer 2002:2201:102:1::1 enable
查看bgp邻居关系Display bgp ipv6 peer
r5/6/7/8之间创建环回用来建邻，不用再次宣告（ipv6属于接口宣告，已自动宣告）多属组
R5
int loo0
ipv6 add 5::5/64
R6
int loo0
ipv6 add 6::6/64
R7
int loo0
ipv6 add 7::7/64
R8
int loo0
ipv6 add 8::8/64
r5/6/7之间建立联邦
R5
bgp 64512
confederation id 2
router-id 5.5.5.5
peer 6::6 as-number 64512Peer 6::6 connect-interface loopback 0 5::5 更新环回源(默认使用的使第一次配的2002的地址对端环回建邻，对不上，需指明5：：5)
ipv6
ipv6-family
peer 6::6 enable
R6
bgp 64512
confederation id 2
router-id 6.6.6.6
peer 5::5 as-number 64512
peer 5::5 conect-interface loopback 0 6::6
peer 7::7 as-number 64512
peer 7::7 connect–interface loopback 0 6::6
ipv6
ipv6 family
peer 5::5 enable
peer 7::7 enable
R7
Bgp 64512
confederation id 2
router-id 7.7.7.7
peer 6::6 as-number 64512
peer 6::6 connect-interface loopback 0 7::7
pee 8::8 as-number 64513
peer 8::8 connect-interface loopback0 7::7
peer 8::8 ebgp-max-hop 2
ipv6
ipv6 family
peer 6::6 enable
peer 8::8 enable
R8
bgp 64513
congederation id 2
router-id 8.8.8.8
peer 7::7 as-number 64512
peer 7::7 connect-interface loopback 0 8::8
peer 7::7 ebgp-max-hop 2
ipv6
ipv6 family
peer 7::7 enable
查看bgp邻居关系
display bgp ipv6 peer
r4的as1区域访问左边靠6to4tunnel，访问右边靠bgp路由，as2区域访问右边靠缺省
tunnel 6to4
R4
int tunnel 0/0/0
ipv6 add 2002:2201:0102:2::1/64
tunnel-protocol ipv6-ipv4 6to4
source 34.1.1.2
r4访问左边的路由
ipv6 route-static 2002:: 16 tunnel 0/0/0
r5宣告—上汇总，空接口放环
ipv6 route-static 2002:2201:0102:8000:: 49 null 0
network 2002:2201:0102:8000:: 49 r5到有右边路由的汇总路由，宣告给邻居r4R4有了这条路由就可以访问右边，r5上还有一空接口防环，r4过来的多余流量就可以丢入黑洞
此时as2无法到左边，因为r4没有宣告过左边的路由 宣告r4上到右边的静态路由
bgp 1
ipv6-family
network 2002:: 16
display bgp ipv6 routing-table 查看ipv6路由表
此时r5学到了这条路由，并且优，可以传递给r6
但r6只能学到不优（无法传递），原因：下一跳不可达
R5
ipv6
ipv6-familay
peer 6::6 next-hop-local
此时6优的但基于ibgp水平分割，6无法传递给7
配置反射器
R6
bgp64512
ipv6 ipv6-family
peer 7::7 reflect-client
测试
ping ipv6 2002:1701:0102:2:8000::1