VPN(DMVPN その4)

 「VPN(DMVPN その1)」~「VPN(DMVPN その3)」でDMVPNによるインターネットVPNの構築を行いました。ここでは、各ルータのコンフィグを紹介していきます。

各ルータの設定は次のようになります。

●Router_Aの設定


!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router_A
!
boot-start-marker
boot-end-marker
!
enable password cisco
!
no aaa new-model
memory-size iomem 25
!
ip cef
!
crypto isakmp policy 1
 authentication pre-share
crypto isakmp key cisco address 0.0.0.0 0.0.0.0
!
!
crypto ipsec transform-set TS-IPSEC esp-3des esp-sha-hmac
 mode transport
!
crypto ipsec profile DMVPN-PROFILE
 set transform-set TS-IPSEC
!
interface Tunnel0
 ip address 192.168.1.1 255.255.255.0
 no ip redirects
 ip nhrp authentication cisco
 ip nhrp map multicast dynamic
 ip nhrp network-id 1000
 ip ospf network broadcast
 ip ospf priority 255
 tunnel source FastEthernet0
 tunnel mode gre multipoint
 tunnel protection ipsec profile DMVPN-PROFILE
!
interface Ethernet0
 ip address 172.16.0.1 255.255.0.0
 half-duplex
!
interface FastEthernet0
 ip address 20.0.0.1 255.0.0.0
 speed auto
!
router ospf 1
 log-adjacency-changes
 network 172.16.0.0 0.0.255.255 area 0
 network 192.168.1.0 0.0.0.255 area 0
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
control-plane
!
line con 0
line aux 0
line vty 0 4
 password cisco
 login
!
end

●Router_Bの設定

!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router_B
!
boot-start-marker
boot-end-marker
!
enable password cisco
!
no aaa new-model
memory-size iomem 25
!
ip cef
!
crypto isakmp policy 1
 authentication pre-share
crypto isakmp key cisco address 0.0.0.0 0.0.0.0
!
!
crypto ipsec transform-set TS-IPSEC esp-3des esp-sha-hmac
 mode transport
!
crypto ipsec profile DMVPN-PROFILE
 set transform-set TS-IPSEC
!
interface Tunnel0
 ip address 192.168.1.2 255.255.255.0
 no ip redirects
 ip nhrp authentication cisco
 ip nhrp map multicast 20.0.0.1
 ip nhrp map 192.168.1.1 20.0.0.1
 ip nhrp network-id 1000
 ip nhrp nhs 192.168.1.1
 ip ospf network broadcast
 ip ospf priority 0
 tunnel source FastEthernet0
 tunnel mode gre multipoint
 tunnel protection ipsec profile DMVPN-PROFILE
!
interface Ethernet0
 ip address 172.17.0.1 255.255.0.0
 half-duplex
 no keepalive
!
interface FastEthernet0
 ip address 20.0.0.2 255.0.0.0
 speed auto
!
router ospf 1
 log-adjacency-changes
 network 172.17.0.0 0.0.255.255 area 0
 network 192.168.1.0 0.0.0.255 area 0
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
control-plane
!
line con 0
line aux 0
line vty 0 4
 password cisco
 login
!
end

●Router_Cの設定

!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router_C
!
boot-start-marker
boot-end-marker
!
enable password cisco
!
no aaa new-model
memory-size iomem 25
!
ip cef
!
crypto isakmp policy 1
 authentication pre-share
crypto isakmp key cisco address 0.0.0.0 0.0.0.0
!
crypto ipsec transform-set TS-IPSEC esp-3des esp-sha-hmac
 mode transport
!
crypto ipsec profile DMVPN-PROFILE
 set transform-set TS-IPSEC
!
interface Tunnel0
 ip address 192.168.1.3 255.255.255.0
 no ip redirects
 ip nhrp authentication cisco
 ip nhrp map multicast 20.0.0.1
 ip nhrp map 192.168.1.1 20.0.0.1
 ip nhrp network-id 1000
 ip nhrp nhs 192.168.1.1
 ip nhrp nhs 20.0.0.1
 ip ospf network broadcast
 ip ospf priority 0
 tunnel source FastEthernet0
 tunnel mode gre multipoint
 tunnel protection ipsec profile DMVPN-PROFILE
!
interface Ethernet0
 ip address 172.18.0.1 255.255.0.0
 half-duplex
 no keepalive
!
interface FastEthernet0
 ip address 20.0.0.3 255.0.0.0
 speed auto
!
router ospf 1
 log-adjacency-changes
 network 172.18.0.0 0.0.255.255 area 0
 network 192.168.1.0 0.0.0.255 area 0
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
control-plane
!
line con 0
line aux 0
line vty 0 4
 password cisco
 login
!
end

VPN(DMVPN その5)」では、3拠点を介したDMVPNによるインターネットVPNの設定を検証していきます。