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# L2TP/IPsecを使用した多拠点とのVPN接続 : コマンド設定
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# 拠点2 ルーター(2)
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# LANインターフェースの設定
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bridge member bridge1 lan1 tunnel1
ip bridge1 address 192.168.0.202/24

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# WAN（ISP3）のインターフェースの設定
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ip lan2 address dhcp
ip lan2 nat descriptor 1
ip route default gateway dhcp lan2
ip lan2 secure filter in 1001 1002 1020 1021 2000
ip lan2 secure filter out 1010 1011 1012 1013 1014 1015 3000 dynamic 100 101 102 103 104 105 106

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# L2TPv3/IPsecの設定
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tunnel select 1
 tunnel encapsulation l2tpv3
 tunnel endpoint address 192.168.0.202 (センターのグローバルアドレス)
 ipsec tunnel 101
  ipsec sa policy 101 1 esp aes-cbc sha-hmac
  ipsec ike keepalive use 1 on
  ipsec ike local address 1 192.168.0.202
  ipsec ike local name 1 (拠点2の名前) key-id
  ipsec ike pre-shared-key 1 text (IPsecの事前共有鍵2)
  ipsec ike remote address 1 (センターのグローバルアドレス)
 l2tp always-on on
 l2tp hostname (接続相手に通知する拠点2のホスト名)
 l2tp tunnel auth on (L2TPv3トンネル認証に用いるパスワード2)
 l2tp tunnel disconnect time off
 l2tp keepalive use on 60 3
 l2tp keepalive log on
 l2tp syslog on
 l2tp local router-id 192.168.0.202
 l2tp remote router-id 192.168.0.200
 l2tp remote end-id (L2TPv3のリモートエンドID2)
 tunnel enable 1
l2tp service on l2tpv3

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# フィルターの設定
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ip filter source-route on
ip filter directed-broadcast on
ip filter 1001 reject 192.168.0.0/24 *
ip filter 1002 pass * 192.168.0.0/24 icmp
ip filter 1010 reject * * udp,tcp 135 *
ip filter 1011 reject * * udp,tcp * 135
ip filter 1012 reject * * udp,tcp netbios_ns-netbios_ssn *
ip filter 1013 reject * * udp,tcp * netbios_ns-netbios_ssn
ip filter 1014 reject * * udp,tcp 445 *
ip filter 1015 reject * * udp,tcp * 445
ip filter 1020 pass (センターのグローバルアドレス) 192.168.0.202 udp * 500
ip filter 1021 pass (センターのグローバルアドレス) 192.168.0.202 esp
ip filter 2000 reject * *
ip filter 3000 pass * *
ip filter dynamic 100 * * ftp
ip filter dynamic 101 * * www
ip filter dynamic 102 * * domain
ip filter dynamic 103 * * smtp
ip filter dynamic 104 * * pop3
ip filter dynamic 105 * * tcp
ip filter dynamic 106 * * udp

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# NATの設定
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nat descriptor type 1 masquerade
nat descriptor address outer 1 primary
nat descriptor masquerade static 1 1 192.168.0.202 udp 500
nat descriptor masquerade static 1 2 192.168.0.202 esp

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# IPsecのトランスポートモード設定
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ipsec auto refresh on
ipsec transport 1 101 udp 1701

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# DNSの設定
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dns server dhcp lan2
dns private address spoof on