HCIP-6.5 OSPF NAT配置
SW1:
dis ip int brief # 查看直连网段
ospf 1
area 0
network 192.168.2.0 0.0.0.255
net 192.168.3.0 0.0.0.255
net 192.168.4.0 0.0.0.255
net 192.168.5.0 0.0.0.255
net 192.168.200.0 0.0.0.255
SW2:
dis ip int b
ospf 1
area 0
network 192.168.2.0 0.0.0.255
net 192.168.3.0 0.0.0.255
net 192.168.4.0 0.0.0.255
net 192.168.5.0 0.0.0.255
net 192.168.200.0 0.0.0.255
电信R2:
int g0/0/0
ip address 12.1.1.2 24
联通R3:
int e0/0/0
ip add 13.1.1.2 24
分支R4:
int e0/0/0
ip add 14.1.1.2 24
int e0/0/1
ip add 192.168.100.1 24
R1:
ospf 1
area 0
net 192.168.12.0 0.0.0.255
net 192.168.23.0 0.0.0.255
net 14.1.1.0 0.0.0.255
分支R4:
ospf 1
area 0
net 192.168.200.0 0.0.0.255
net 14.1.1.0 0.0.0.255
调试查看路由表:
分支R4:
dis ip routing-table
DHCP Server:
int e0/0/0
ip add 192.168.200.3 24
ip route-s 0.0.0.0 0 192.168.200.1 # 配置网关
运营商网络,用RIP模拟:
电信R2:
int g0/0/1
ip add 25.1.1.2 24
#
rip 1
ver 2
net 12.0.0.0
net 25.0.0.0
联通R3:
int g0/0/1
ip add 35.1.1.3 24
#
rip 1
version 2
net 13.0.0.0
net 35.0.0.0
R5:
int e0/0/0
ip add 25.1.1.5 24
int e0/0/1
ip add 35.1.1.5 24
int g0/0/0
ip add 5.5.5.1 24
#
rip 1
ver 2
net 25.0.0.0
net 35.0.0.0
net 5.0.0.0
调试命令:
dis ip routing-t
缺省路由配置:
SW1:
ip route-s 0.0.0.0 0 192.168.12.1
ip route-s 0.0.0.0 0 192.168.23.1 perference 65
SW2:
ip route-s 0.0.0.0 0 192.168.23.1
ip route-s 0.0.0.0 0 192.168.12.1 perference 65
R1:
ip route-s 0.0.0.0 0 13.1.1.2
NAT转换:
R1(联通):
acl 2000
rule permit source 192.168.0.0 0.0.255.255
#
int g1/0/0
nat outbound 2000
来回路径一致,且最短
SW1:
int vlanif 4
ospf cost 4
int vlanif 5
ospf cost 4
SW2:
int vlanif 2
ospf cost 4
int vlanif 3
opsf cost 4
#
int vlanif 200 # 接服务器的
opsf cost 4
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