分类：
2012-11-21 15:44:44
R1配置
interface Loopback0
address 1.1.1.1 255.255.255.0
interface Serial1/1
ip address 12.1.1.1 255.255.255.0
serial restart-delay 0
router rip
version 2
network 1.0.0.0
network 12.0.0.0
no auto-summary
R2配置（利用标记tag做过滤）
interface Loopback0
ip address 2.2.2.2 255.255.255.0
interface Serial1/0
ip address 12.1.1.2 255.255.255.0
serial restart-delay 0
interface Serial1/1
ip address 23.1.1.1 255.255.255.0
serial restart-delay 0
router ospf 100
log-adjacency-changes
redistribute rip subnets
network 2.2.2.2 0.0.0.0 area 0
network 23.1.1.1 0.0.0.0 area 0
router rip
version 2
redistribute ospf 100 metric 3 route-map ccnp
network 12.0.0.0
no auto-summary
route-map ccnp deny 10
match tag 2
route-map ccnp permit 20
（重发布中过滤掉tag为2的路由条目 其他的都保留下来）
R3配置（给路由条目打上标记tag）
interface Loopback0
ip address 3.3.3.3 255.255.255.0
interface Serial1/0
ip address 23.1.1.2 255.255.255.0
serial restart-delay 0
interface Serial1/1
ip address 34.1.1.1 255.255.255.0
serial restart-delay 0
router eigrp 100
redistribute ospf 100 metric 1000 100 255 1 1500
network 34.0.0.0
no auto-summary
router ospf 100
log-adjacency-changes
redistribute eigrp 100 subnets route-map ccna
network 3.3.3.3 0.0.0.0 area 0
network 23.1.1.2 0.0.0.0 area 0
access-list 1 permit 5.5.5.0
access-list 1 permit 7.7.7.0
route-map ccna permit 10
match ip address 1
set tag 1
route-map ccna permit 20
set tag 2
（设置重发布进来控制列表1的tag为1 其余的为2）
R4配置
interface Loopback0
ip address 4.4.4.4 255.255.255.0
interface Loopback1
ip address 5.5.5.5 255.255.255.0
interface Loopback2
ip address 6.6.6.6 255.255.255.0
interface Loopback3
ip address 7.7.7.7 255.255.255.0
interface Loopback4
ip address 8.8.8.8 255.255.255.0
interface Serial1/0
ip address 34.1.1.2 255.255.255.0
serial restart-delay 0
router eigrp 100
network 4.4.4.0 0.0.0.255
network 5.0.0.0
network 6.0.0.0
network 7.0.0.0
network 8.0.0.0
network 34.1.1.0 0.0.0.255
no auto-summary
R1路由表
1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Loopback0
2.0.0.0/24 is subnetted, 1 subnets
R 2.2.2.0 [120/3] via 12.1.1.2, 00:00:04, Serial1/1
3.0.0.0/32 is subnetted, 1 subnets
R 3.3.3.3 [120/3] via 12.1.1.2, 00:00:04, Serial1/1
5.0.0.0/24 is subnetted, 1 subnets
R 5.5.5.0 [120/3] via 12.1.1.2, 00:00:04, Serial1/1
23.0.0.0/24 is subnetted, 1 subnets
R 23.1.1.0 [120/3] via 12.1.1.2, 00:00:04, Serial1/1
7.0.0.0/24 is subnetted, 1 subnets
R 7.7.7.0 [120/3] via 12.1.1.2, 00:00:04, Serial1/1
12.0.0.0/24 is subnetted, 1 subnets
C 12.1.1.0 is directly connected, Serial1/1
TAG1 包括：5.0.0.0 ，7.0.0.0
TAG2 包括：4.0.0.0 ，6.0.0.0，8.0.0.0，34.1.1.0
