实验目的：
本实验是通过改变 RIP 的端口来测试 RIP 的接收和发送情况，这个实验很 重要，希望大家能够掌握。 R2
实验拓扑： S1/0 S1/1 S1 F0/0 R4 S1/1
S1/0 R4 R1
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F0/0 R3 R3
实验要求：我们在 R4 上增加两个 LOOP，LOOP0 和 LOOP1，我们让 R1 过来的更新 到 LOOP1，R3 过来的更新到 LOOP0，R1 和R3之间不互相访问。
实验内容：
路由器的基本配置：
R1 上： ！
ipv6 unicast-routing !
interface Loopback0 no ip address
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ipv6 address 2000::1/64
ipv6 rip area1 enable
!
interface Serial1/1 no ip address
ipv6 address 2001::1/64 ipv6 rip area1 enable serial restart-delay 0 clock rate 64000 !
ipv6 router rip area1
（我们定义了是 area1的 RIP进程） ！
R2 上： ！
ipv6 unicast-routing !
interface FastEthernet0/0 no ip address duplex half
ipv6 address 2004::1/64 ipv6 rip area2 enable ipv6 rip area1 enable !
interface Serial1/0 no ip address
ipv6 address 2001::2/64 ipv6 rip area1 enable serial restart-delay 0 clock rate 64000 !
interface Serial1/1 no ip address
ipv6 address 2002::1/64 ipv6 rip area2 enable serial restart-delay 0 clock rate 64000 !
ipv6 router rip area1 !
ipv6 router rip area2
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port 530 multicast-group FF02::9 这里定义了 area2 的端口是 530，在同一个端口 下如果运行多个进程，必须采用不同的端口号
！
R4 上配置： ！
ipv6 unicast-routing !
interface Loopback0 no ip address
ipv6 address 2003::1/64 ipv6 rip area2 enable !
interface Loopback0 no ip address
ipv6 address 2003::1/64 ipv6 rip area2 enable !
interface Serial1/0 no ip address
ipv6 address 2002::2/64 ipv6 rip area2 enable serial restart-delay 0 clock rate 64000 ！
ipv6 router rip area2
port 530 multicast-group FF02::9 !
R3 上的配置： ！
ipv6 unicast-routing !
interface Loopback0 no ip address
ipv6 address 2005::1/64 ipv6 rip aa enable !
interface Loopback1 no ip address
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ipv6 address 2006::1/64 ipv6 rip bb enable
!
interface FastEthernet0/0 no ip address duplex half
ipv6 address 2004::2/64 ipv6 rip bb enable ipv6 rip aa enable ！
ipv6 router rip aa
port 530 multicast-group FF02::9 !
ipv6 router rip bb
R1 上的路由表：用 sh ipv6 route 打开 rack01#sh ipv route
IPv6 Routing Table - 8 entries
Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP U - Per-user Static route
I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary
O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2 ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2 C 2000::/64 [0/0] via ::, Loopback0 L 2000::1/128 [0/0] via ::, Loopback0 C 2001::/64 [0/0] via ::, Serial1/1 L 2001::1/128 [0/0] via ::, Serial1/1 R 2004::/64 [120/2]
via FE80::C801:CFF:FE4C:0, Serial1/1 R 2006::/64 [120/3]
via FE80::C801:CFF:FE4C:0, Serial1/1 L FE80::/10 [0/0] via ::, Null0 L FF00::/8 [0/0] via ::, Null0
我们看到只有 R3 上的 F0/0 口和 LOOP1 口的路由，其余的都没有了。
R4 的路由表： rack04#sh ipv route
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IPv6 Routing Table - 8 entries
Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP
U - Per-user Static route
I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary
O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2 ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2 C 2002::/64 [0/0] via ::, Serial1/0 L 2002::2/128 [0/0] via ::, Serial1/0 C 2003::/64 [0/0] via ::, Loopback0 L 2003::1/128 [0/0] via ::, Loopback0 R 2004::/64 [120/2]
via FE80::C801:CFF:FE4C:0, Serial1/0 R 2005::/64 [120/3]
via FE80::C801:CFF:FE4C:0, Serial1/0 L FE80::/10 [0/0] via ::, Null0 L FF00::/8 [0/0] via ::, Null0
只有 R3 上的 LOOP0 接口和 F0/0 接口。
R2 的路由表： rack02#sh ipv route
IPv6 Routing Table - 12 entries
Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP U - Per-user Static route
I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary
O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2 ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2 R 2000::/64 [120/2]
via FE80::C800:CFF:FE4C:0, Serial1/0 C 2001::/64 [0/0] via ::, Serial1/0 L 2001::2/128 [0/0] via ::, Serial1/0 C 2002::/64 [0/0] via ::, Serial1/1 L 2002::1/128 [0/0] via ::, Serial1/1
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R 2003::/64 [120/2]
via FE80::C803:CFF:FE4C:0, Serial1/1