防火墙GRE和NAT
要求:
Pc2和pc3之间互通;做gre
pc2与pc3访问公网pc1要做地址转换
基本配置:省略,小孩子都会
这里查看效果:
区域划分
fw1:
fw2:
接口地址划分:
fw1:
fw2:
r1:
静态路由配置:
fw1:
fw2:
安全策略:
fw1:
security-policy
rule name policy1
source-zone dmz
source-zone trust
destination-zone dmz
destination-zone trust
service icmp
action permit
rule name gre
source-zone local
source-zone untrust
destination-zone local
destination-zone untrust
service gre
action permit
fw2:
security-policy
rule name policy1
source-zone dmz
source-zone trust
destination-zone dmz
destination-zone trust
service icmp
action permit
rule name gre
source-zone local
source-zone untrust
destination-zone local
destination-zone untrust
service gre
action permit
tunnel接口配置:
fw1:
fw2:
这里实现pc2与pc3互通;
配置与公网互通:
在防火墙上做nat地址转换:
fw
nat-policy
rule name easy_ip
source-zone trust
destination-zone untrust
source-address 10.1.1.0 mask 255.255.255.0
action source-nat easy-ip
#
fw2:
nat-policy
rule name easy_ip
source-zone trust
destination-zone untrust
source-address 10.1.2.0 mask 255.255.255.0
action source-nat easy-ip
安全策略:
fw1:
rule name pc_client
source-zone trust
destination-zone untrust
source-address 10.1.1.0 mask 255.255.255.255
destination-address 13.1.1.0 mask 255.255.255.0
service icmp
fw2:
效果: