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CentreCOM ARX640S 設定例集 5.1.5 #32
NTT東日本・NTT西日本が提供するフレッツ 光ネクスト回線でIPv6 PPPoEを用いてIPv6インターネットに接続し、IPv6アドレスで2つの拠点をIPsec(IPv4 over IPv6 IPsec)で結ぶVPN構築例です。本設定例は固定的にIPv6プレフィックスが割り当てられる拠点間をIPsecのトンネルで接続します。
| PPPユーザー名 | user@ispA | user@ispB |
| PPPパスワード | isppasswdA | isppasswdB |
| PPPoEサービス名 | 指定なし | |
| 割り当てIPv6プレフィックス | 2001:1:1:1000::/56 | 2001:1:1:2000::/56 |
| WAN側物理インターフェース | gigabitEthernet 0 | |
| WAN側(gigabitEthernet 0.1)IPv6アドレス | リンクローカルアドレス | |
| LAN側(vlan1)IPv6アドレス | 2001:1:1:1001::1/64 | 2001:1:1:2001::1/64 |
| LAN側(vlan1)IPv4アドレス | 192.168.10.1/24 | 192.168.20.1/24 |
| VPN接続設定 | ||
| ローカルセキュアグループ | 192.168.10.0/24 | 192.168.20.0/24 |
| リモートセキュアグループ | 192.168.20.0/24 | 192.168.10.0/24 |
| トンネル終端アドレス | 2001:1:1:2001::1 | 2001:1:1:1001::1 |
| IKE設定 | ||
| 交換モード | Mainモード | |
| 認証方式 | 事前共有鍵(pre-shared key) | |
| 事前共有鍵 | secret(文字列) | |
| ローカルID/リモートID | なし/なし | |
| 暗号化認証アルゴリズム | AES256 & SHA1-DH2 | |
| 有効期限 | 21600秒 (6時間)(デフォルト) | |
| DPDによる死活監視 | 行う | |
| 起動時のISAKMPネゴシエーション | 行う | |
| IPsec設定 | ||
| SAモード | トンネルモード | |
| セキュリティープロトコル | ESP | |
| 暗号化認証アルゴリズム | AES256 & SHA1 | |
| PFSグループ | なし | |
| 有効期限 | 3600秒(1時間)(デフォルト) | |

| ルーターAの設定 |
ppp profile v6-pppoe ↓
my-username user@ispA password isppasswdA ↓
lcp keepalive echo-interval 60 ↓
interface gigabitEthernet 0 ↓
ipv6 enable ↓
no shutdown ↓
interface gigabitEthernet 0.1 ↓
ipv6 enable ↓
ipv6 unnumbered vlan 1 ↓
no shutdown ↓
pppoe enable ↓
ppp bind-profile v6-pppoe ↓
ipv6 ids in protect ↓
interface vlan 1 ↓
ip address 192.168.10.1/24 ↓
ipv6 enable ↓
ipv6 address-up-always ↓
ipv6 route default gigabitEthernet 0.1 ↓
access-list ipv6 extended v6pppoe-in ↓
dynamic permit udp any interface gigabitEthernet 0.1 eq 546 ↓
dynamic permit udp any interface vlan 1 eq 500 ↓
dynamic permit icmpv6 any any ↓
access-list ipv6 extended v6pppoe-out ↓
dynamic permit ipv6 any any ↓
interface gigabitEthernet 0.1 ↓
ipv6 traffic-filter v6pppoe-in in ↓
ipv6 traffic-filter v6pppoe-out out ↓
isakmp proposal isakmp encryption aes256 hash sha1 group 2 ↓
isakmp policy isakmp ↓
peer 2001:1:1:2001::1 ↓
auth preshared key secret ↓
proposal isakmp ↓
keepalive enable ↓
access-list ip extended ipsec ↓
permit ip any any ↓
ipsec proposal ipsec esp encryption aes256 hash sha1 ↓
ipsec policy ipsec ↓
peer 2001:1:1:2001::1 ↓
access-list ipsec ↓
local-id 192.168.10.0/24 ↓
remote-id 192.168.20.0/24 ↓
proposal ipsec ↓
always-up-sa ↓
interface tunnel 0 ↓
tunnel mode ipsec ↓
ip unnumbered vlan 1 ↓
ip tcp mss auto ↓
no shutdown ↓
tunnel policy ipsec ↓
ip route 192.168.20.0/24 tunnel 0 ↓
ip route 192.168.20.0/24 Null 254 ↓
interface gigabitEthernet 0.1 ↓
ipv6 dhcp client isp-v6 ↓
ipv6 dhcp client-profile isp-v6 ↓
ia-pd configure vlan 1 ::1:0:0:0:1/64 ↓
copy running-config startup-config ↓
| ルーターBの設定 |
ppp profile v6-pppoe ↓
my-username user@ispB password isppasswdB ↓
lcp keepalive echo-interval 60 ↓
interface gigabitEthernet 0 ↓
ipv6 enable ↓
no shutdown ↓
interface gigabitEthernet 0.1 ↓
ipv6 enable ↓
ipv6 unnumbered vlan 1 ↓
no shutdown ↓
pppoe enable ↓
ppp bind-profile v6-pppoe ↓
ipv6 ids in protect ↓
interface vlan 1 ↓
ip address 192.168.20.1/24 ↓
ipv6 enable ↓
ipv6 address-up-always ↓
ipv6 route default gigabitEthernet 0.1 ↓
access-list ipv6 extended v6pppoe-in ↓
dynamic permit udp any interface gigabitEthernet 0.1 eq 546 ↓
dynamic permit udp any interface vlan 1 eq 500 ↓
dynamic permit icmpv6 any any ↓
access-list ipv6 extended v6pppoe-out ↓
dynamic permit ipv6 any any ↓
interface gigabitEthernet 0.1 ↓
ipv6 traffic-filter v6pppoe-in in ↓
ipv6 traffic-filter v6pppoe-out out ↓
isakmp proposal isakmp encryption aes256 hash sha1 group 2 ↓
isakmp policy isakmp ↓
peer 2001:1:1:1001::1 ↓
auth preshared key secret ↓
proposal isakmp ↓
keepalive enable ↓
access-list ip extended ipsec ↓
permit ip any any ↓
ipsec proposal ipsec esp encryption aes256 hash sha1 ↓
ipsec policy ipsec ↓
peer 2001:1:1:1001::1 ↓
access-list ipsec ↓
local-id 192.168.20.0/24 ↓
remote-id 192.168.10.0/24 ↓
proposal ipsec ↓
always-up-sa ↓
interface tunnel 0 ↓
tunnel mode ipsec ↓
ip unnumbered vlan 1 ↓
ip tcp mss auto ↓
no shutdown ↓
tunnel policy ipsec ↓
ip route 192.168.10.0/24 tunnel 0 ↓
ip route 192.168.10.0/24 Null 254 ↓
interface gigabitEthernet 0.1 ↓
ipv6 dhcp client isp-v6 ↓
ipv6 dhcp client-profile isp-v6 ↓
ia-pd configure vlan 1 ::1:0:0:0:1/64 ↓
copy running-config startup-config ↓
| まとめ |
ルーターAのコンフィグ
! service password-encryption ! clock timezone JST 9 ! ! ! ! ipv6 address-up-always ppp profile v6-pppoe my-username user@ispA password 8 e$QNKMe2ohmPDFBWKSYxCJz8gAA lcp keepalive echo-interval 60 ! interface gigabitEthernet 0 ipv6 enable no shutdown ! interface gigabitEthernet 0.1 ipv6 enable ipv6 unnumbered vlan 1 no shutdown pppoe enable ppp bind-profile v6-pppoe ipv6 traffic-filter v6pppoe-in in ipv6 traffic-filter v6pppoe-out out ipv6 dhcp client isp-v6 ipv6 ids in protect ! interface gigabitEthernet 1 shutdown ! interface gigabitEthernet 2 no shutdown ! interface gigabitEthernet 3 no shutdown ! interface gigabitEthernet 4 no shutdown ! interface gigabitEthernet 5 no shutdown ! interface loop 0 shutdown ! interface loop 1 shutdown ! interface tunnel 0 tunnel mode ipsec ip unnumbered vlan 1 ip tcp mss auto no shutdown tunnel policy ipsec ! interface vlan 1 ip address 192.168.10.1/24 ipv6 enable no shutdown ! ip route 192.168.20.0/24 tunnel 0 ip route 192.168.20.0/24 Null 254 ! access-list ip extended ipsec permit ip any any ! ipv6 route default gigabitEthernet 0.1 ! access-list ipv6 extended v6pppoe-in dynamic permit udp any interface gigabitEthernet 0.1 eq 546 dynamic permit udp any interface vlan 1 eq 500 dynamic permit icmpv6 any any access-list ipv6 extended v6pppoe-out dynamic permit ipv6 any any ! isakmp proposal isakmp encryption aes256 hash sha1 group 2 ! isakmp policy isakmp peer 2001:1:1:2001::1 auth preshared key 8 e$I3eQu7yNuLxQA proposal isakmp keepalive enable ! ipsec proposal ipsec esp encryption aes256 hash sha1 ! ipsec policy ipsec peer 2001:1:1:2001::1 access-list ipsec local-id 192.168.10.0/24 remote-id 192.168.20.0/24 proposal ipsec always-up-sa ! ! ! ipv6 dhcp client-profile isp-v6 ia-pd configure vlan 1 ::1:0:0:0:1/64 ! ! end |
ルーターBのコンフィグ
! service password-encryption ! clock timezone JST 9 ! ! ! ! ipv6 address-up-always ppp profile v6-pppoe my-username user@ispB password 8 e$QNKMe2ohmPDGyL5Yl1OWFlAAA lcp keepalive echo-interval 60 ! interface gigabitEthernet 0 ipv6 enable no shutdown ! interface gigabitEthernet 0.1 ipv6 enable ipv6 unnumbered vlan 1 no shutdown pppoe enable ppp bind-profile v6-pppoe ipv6 traffic-filter v6pppoe-in in ipv6 traffic-filter v6pppoe-out out ipv6 dhcp client isp-v6 ipv6 ids in protect ! interface gigabitEthernet 1 shutdown ! interface gigabitEthernet 2 no shutdown ! interface gigabitEthernet 3 no shutdown ! interface gigabitEthernet 4 no shutdown ! interface gigabitEthernet 5 no shutdown ! interface loop 0 shutdown ! interface loop 1 shutdown ! interface tunnel 0 tunnel mode ipsec ip unnumbered vlan 1 ip tcp mss auto no shutdown tunnel policy ipsec ! interface vlan 1 ip address 192.168.20.1/24 ipv6 enable no shutdown ! ip route 192.168.10.0/24 tunnel 0 ip route 192.168.10.0/24 Null 254 ! access-list ip extended ipsec permit ip any any ! ipv6 route default gigabitEthernet 0.1 ! access-list ipv6 extended v6pppoe-in dynamic permit udp any interface gigabitEthernet 0.1 eq 546 dynamic permit udp any interface vlan 1 eq 500 dynamic permit icmpv6 any any access-list ipv6 extended v6pppoe-out dynamic permit ipv6 any any ! isakmp proposal isakmp encryption aes256 hash sha1 group 2 ! isakmp policy isakmp peer 2001:1:1:1001::1 auth preshared key 8 e$I3eQu7yNuLxQA proposal isakmp keepalive enable ! ipsec proposal ipsec esp encryption aes256 hash sha1 ! ipsec policy ipsec peer 2001:1:1:1001::1 access-list ipsec local-id 192.168.20.0/24 remote-id 192.168.10.0/24 proposal ipsec always-up-sa ! ! ! ipv6 dhcp client-profile isp-v6 ia-pd configure vlan 1 ::1:0:0:0:1/64 ! ! end |
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