某电厂IPSEC ××× 配置
Cisco配置举例
本例假设两端分别为AA和BB,两路由器之间的物理链路已经连接好,其地址划分如下:
总厂AA
分厂BB
内部网段网号
172.1.1.0
172.1.2.0
互连网段网号
168.1.1.0
168.1.2.0
路由器内部端口
IP地址
172.1.1.254
172.1.2.254
路由器
Internet端口IP地址
168.1.1.1
168.1.2.1
路由器串口
IP地址
202.96.1.1
202.96.1.2
隧道端口
IP地址
192.168.1.1
192.168.1.2
则两端路由器配置分别如下:
总厂端路由器部分配置:
crypto isakmp policy 1 ;配置IKE 策略1
authentication pre-share ;IKE 策略1验证方法设为pre-share
group 2 ;1024-bit Diffie-Hellman,加密算法未设置则取缺省值:DES
crypto isakmp key test address 202.96.1.2 ;设置Pre-share密钥为test,此值两端需一致
crypto ipsec transform-set ***-test ah-md5-hmac esp-des ;设置AH散列算法为md5 ,
!
ESP加密算法为DES。
crypto map ×××demo 10 ipsec-isakmp ;定义crypto map
set peer 202.96.1.2 ;设置隧道对端IP地址
set transform-set ***-test ;设置隧道AH及ESP,
match address 101 ;
!
interface Tunnel0 ;定义隧道接口
ip address 192.168.1.1 255.255.255.0 ;隧道端口IP地址
no ip directed-broadcast
tunnel source 202.96.1.1 ;隧道源端地址
tunnel destination 202.96.1.2 ;隧道目的端地址
crypto map ***demo ;应用***demo于此接口
interface Serial0/0
ip address 202.96.1.1 255.255.255.252 ;串口的Internet IP地址
no ip directed-broadcast
crypto map ***demo ;应用***demo 于串口
!
interface Ethernet0/1
ip address 168.1.1.1 255.255.255.0 ;外部端口IP地址
no ip directed-broadcast
interface Ethernet0/0
ip address 172.1.1.254 255.255.255.0 ; 内部端口IP地址
no ip directed-broadcast
!
ip classless
ip route 0.0.0.0 0.0.0.0 202.96.1.2 ;缺省路由
ip route 172.1.2.0 255.255.0.0 192.168.1.2 ;到中山端内网静态路由(经过隧道)
access-list 101 permit gre host 202.96.1.1 host 202.96.1.2 ;定义存取列表
分厂端路由器部分配置:
crypto isakmp policy 1
authentication pre-share
group 2
crypto isakmp key test address 202.96.1.1
crypto ipsec transform-set ***-test ah-md5-hmac esp-des
!
crypto map ×××demo 10 ipsec-isakmp
set peer 202.96.1.1
set transform-set ***-test
match address 101
!
interface Tunnel0
ip address 192.168.1.2 255.255.255.0
no ip directed-broadcast
tunnel source Serial0/0
tunnel destination 202.96.1.1
crypto map ×××demo
interface Serial0/0
ip address 202.96.1.2 255.255.255.252
no ip directed-broadcast
crypto map ***demo
!
interface Ethernet0/1
ip address 168.1.2.1 255.255.255.0
no ip directed-broadcast
interface Ethernet0/0
ip address 172.1.2.254 255.255.255.0
no ip directed-broadcast
!
ip classless
ip route 0.0.0.0 0.0.0.0 202.96.1.1
ip route 172.1.1.0 255.255.0.0 192.168.1.1
access-list 101 permit gre host 202.96.1.2 host 202.96.1.1