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Fortigateを使用したOCI IPSec VPN接続例

Last updated at Posted at 2023-01-11

概要

Fortigateを使用してOCIにIPSec VPNで接続する設定例です。

構成

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設定例

ここでは作成済みの設定となります。
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  • Fortigate
    FortiGate 50E ファームウェアバージョンは6.2.12 build 1319です。
    Policyや冗長化等を環境に応じて設定が必要です。
    InterfaceやVPN設定
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Policy設定
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IPSec tunnelのmssを調整する必要がある場合は以下で変更が可能です。

#WAN IFのMTUを調整する場合の例
config system interface
    edit wan1
        set mtu-override enable
        set mtu 1340
end
#MSSを調整する場合はPolicyごとに設定が必要とのことです
以下はmss=1300に調整しています
config firewall policy
    edit 6
        set tcp-mss-sender 1300
        set tcp-mss-receiver 1300
end
    edit 7
        set tcp-mss-sender 1300
        set tcp-mss-receiver 1300
end

IPSec状況
statusがupしています
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  • Pingテスト
    OCIサーバーからオンプレへのping結果
Server.
[user@linux ~]$ ping 192.168.100.102
PING 192.168.100.102 (192.168.100.102) 56(84) bytes of data.
64 bytes from 192.168.100.102: icmp_seq=1 ttl=125 time=56.6 ms
64 bytes from 192.168.100.102: icmp_seq=2 ttl=125 time=54.9 ms
^C
--- 192.168.100.102 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1002ms
rtt min/avg/max/mdev = 54.931/55.774/56.617/0.843 ms
[user@linux ~]$

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