IPSec路由器到PIX防火墙

配置 IPSec - 路由器 到 PIX 防火墙 这个文档说明了在路由器和思科防火墙之间的 IPSec 配置。在总部和分公司之间的流量使用的是私有 IP 地址，当分公司的局域网用户访问互联网时，需要进行地址转换。 网络拓扑 配置 定义去路由器的流量 : access-list ip sec

配置 IPSec - 路由器到PIX防火墙

这个文档说明了在路由器和思科防火墙之间的IPSec配置。在总部和分公司之间的流量使用的是私有IP地址，当分公司的局域网用户访问互联网时，需要进行地址转换。网络拓扑

配置
定义去路由器的流量:

access-list ipsec permit ip 10.1.1.0 255.255.255.0 10.2.2.0 255.255.255.0

!--- 去路由器的流量不做地址转换

access-list nonat permit ip 10.1.1.0 255.255.255.0 10.2.2.0 255.255.255.0

ip address outside 172.17.63.213 255.255.255.240

ip address inside 10.1.1.1 255.255.255.0

global (outside) 1 172.17.63.210

!--- 去路由器的流量不做地址转换

nat (inside) 0 access-list nonat

nat (inside) 1 10.1.1.0 255.255.255.0 0 0

conduit permit icmp any any

route outside 0.0.0.0 0.0.0.0 172.17.63.209 1

!--- IPSec 策略:

sysopt connection permit-ipsec

crypto ipsec transform-set avalanche esp-des esp-md5-hmac

crypto ipsec security-association lifetime seconds 3600

crypto map forsberg 21 ipsec-isakmp

crypto map forsberg 21 match address ipsec

crypto map forsberg 21 set peer 172.17.63.230

crypto map forsberg 21 set transform-set avalanche

crypto map forsberg interface outside
!--- IKE 策略:

isakmp enable outside

isakmp key westernfinal2000 address 172.17.63.230 netmask 255.255.255.255

isakmp identity address

isakmp policy 21 authentication pre-share

isakmp policy 21 encryption des

isakmp policy 21 hash md5

isakmp policy 21 group 1

: end


Branch Router



hostname Branch_Router

!--- IKE策略:

crypto isakmp policy 11

hash md5

authentication pre-share

crypto isakmp key westernfinal2000 address 172.17.63.213

!--- IPSec策略:

crypto ipsec transform-set sharks esp-des esp-md5-hmac

crypto map nolan 11 ipsec-isakmp

set peer 172.17.63.213

set transform-set sharks

match address 120

!

interface Ethernet0

ip address 172.17.63.230 255.255.255.240

ip nat outside

crypto map nolan

!

interface Ethernet1

ip address 10.2.2.1 255.255.255.0

ip nat inside

!

ip nat pool branch 172.17.63.230 172.17.63.230 netmask 255.255.255.240

ip nat inside source route-map nonat pool branch overload

ip route 0.0.0.0 0.0.0.0 172.17.63.225

access-list 120 permit ip 10.2.2.0 0.0.0.255 10.1.1.0 0.0.0.255

access-list 130 deny ip 10.2.2.0 0.0.0.255 10.1.1.0 0.0.0.255

access-list 130 permit ip 10.2.2.0 0.0.0.255 any

route-map nonat permit 10

match ip address 130

end

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