Update docs

- Add a troubleshooting section for IKEv2 "parameter is incorrect" error. - Fixes hwdsl2#1268. See also hwdsl2#873.
dcwml · Nov 8, 2022 · f558f26 · f558f26
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diff --git a/docs/ikev2-howto-zh.md b/docs/ikev2-howto-zh.md
@@ -548,6 +548,7 @@ sudo chmod 600 ca.cer client.cer client.key
 * [无法连接多个 IKEv2 客户端](#无法连接多个-ikev2-客户端)
 * [IKE 身份验证凭证不可接受](#ike-身份验证凭证不可接受)
 * [参数错误 policy match error](#参数错误-policy-match-error)
+* [参数错误 parameter is incorrect](#参数错误-parameter-is-incorrect)
 * [连接 IKEv2 后不能打开网站](#连接-ikev2-后不能打开网站)
 * [Windows 10 正在连接](#windows-10-正在连接)
 * [其它已知问题](#其它已知问题)
@@ -582,6 +583,10 @@ sudo ikev2.sh --addclient [client name]
 REG ADD HKLM\SYSTEM\CurrentControlSet\Services\RasMan\Parameters /v NegotiateDH2048_AES256 /t REG_DWORD /d 0x1 /f
 ```
 
+### 参数错误 parameter is incorrect
+
+如果你在尝试使用 IKEv2 模式连接时遇到 "错误 87：参数错误 The parameter is incorrect"，请尝试 [这个 Issue](https://github.com/trailofbits/algo/issues/1051) 中的解决方案，更具体地说，第 2 步 "reset device manager adapters"。
+
 ### 连接 IKEv2 后不能打开网站
 
 如果你的 VPN 客户端设备在成功连接到 IKEv2 后无法打开网站，请尝试以下解决方案：

diff --git a/docs/ikev2-howto.md b/docs/ikev2-howto.md
@@ -550,6 +550,7 @@ for the entire network, or use `192.168.0.10` for just one device, and so on.
 * [Unable to connect multiple IKEv2 clients](#unable-to-connect-multiple-ikev2-clients)
 * [IKE authentication credentials are unacceptable](#ike-authentication-credentials-are-unacceptable)
 * [Policy match error](#policy-match-error)
+* [Parameter is incorrect](#parameter-is-incorrect)
 * [Cannot open websites after connecting to IKEv2](#cannot-open-websites-after-connecting-to-ikev2)
 * [Windows 10 connecting](#windows-10-connecting)
 * [Other known issues](#other-known-issues)
@@ -584,6 +585,10 @@ To fix this error, you will need to enable stronger ciphers for IKEv2 with a one
 REG ADD HKLM\SYSTEM\CurrentControlSet\Services\RasMan\Parameters /v NegotiateDH2048_AES256 /t REG_DWORD /d 0x1 /f
 ```
 
+### Parameter is incorrect
+
+If you encounter "Error 87: The parameter is incorrect" when trying to connect using IKEv2 mode, try the solutions in [this issue](https://github.com/trailofbits/algo/issues/1051), more specifically, step 2 "reset device manager adapters".
+
 ### Cannot open websites after connecting to IKEv2
 
 If your VPN client device cannot open websites after successfully connecting to IKEv2, try the following fixes: