防御保护选路练习

拓扑

配置

IP的基本配置

r2

[R2]int g0/0/0 [R2-GigabitEthernet0/0/0]ip add 12.0.0.2 255.255.255.0 [R2]int g0/0/2 [R2-GigabitEthernet0/0/2]ip add 210.1.1.254 255.255.255.0 [R2-GigabitEthernet0/0/2]int g0/0/1 [R2-GigabitEthernet0/0/1]ip add 200.1.1.254 255.255.255.0

r3

[R3]int g0/0/0 [R3-GigabitEthernet0/0/0]ip add 13.0.0.3 255.255.255.0 [R3]int g0/0/1 [R3-GigabitEthernet0/0/1]ip add 100.1.1.254 255.255.255.0 [R3-GigabitEthernet0/0/1]int g0/0/2 [R3-GigabitEthernet0/0/2]ip add 110.1.1.254 255.255.255.0

防火墙

实服务器

[FW]slb enable --开启负载均衡 [FW]slb [FW-slb]group 0 dns [FW-slb-group-0]rserver 0 rip 200.1.1.1 port 53 [FW-slb-group-0]rserver 1 rip 100.1.1.1 port 53---实服务器IP，端口号

虚服务器

[FW-slb]vserver 0 dns [FW-slb-vserver-0]vip 0 10.10.10.10 [FW-slb-vserver-0]group dns

透明DNS代理

[FW]dns-transparent-policy [FW-policy-dns]dns transparent-proxy enable [FW-policy-dns]dns server bind interface GigabitEthernet 1/0/1 preferred 100.1.1.1 [FW-policy-dns]dns server bind interface GigabitEthernet 1/0/2 preferred 200.1.1.1

透明DNS策略

[FW-policy-dns]rule name dns_p [FW-policy-dns-rule-dns_p]source-address 192.168.1.0 24 [FW-policy-dns-rule-dns_p]enable Info: The policy is enabled successfully. [FW-policy-dns-rule-dns_p]action tpdns 测试