chore: update routes.json example, add cider_mapping case

Author: ICKelin

doc/README_CN.md

@@ -34,6 +34,7 @@
 - 🔐 **安全加密** - ChaCha20-Poly1305（默认）、AES-256-GCM、XOR/Plain 可选
 - 🚀 **双路径 P2P** - IPv6 直连 + STUN 打洞，自动降级到中继模式
 - 🌐 **智能路由** - 自动选择最佳路径：IPv6（最低延迟）→ STUN（NAT穿透）→ 中继
+- 🔄 **CIDR 映射** - 通过网段映射解决网络冲突问题（仅 Linux）
 - 🌍 **跨平台** - Linux、macOS、Windows 预编译二进制文件
 
 ## 📋 目录
@@ -280,7 +281,8 @@ openssl rand -base64 32
 | `private_ip` | 分配给客户端的虚拟 IP | `"10.0.1.1"` |
 | `mask` | VPN 网络的子网掩码 | `"255.255.255.0"` |
 | `gateway` | 路由网关 IP | `"10.0.1.254"` |
-| `ciders` | 可通过此客户端路由的 CIDR 范围 | `["192.168.1.0/24"]` |
+| `ciders` | 可通过此客户端路由的 CIDR 范围（其他客户端看到的映射后的 CIDR） | `["192.168.1.0/24"]` |
+| `cider_mapping` | CIDR 映射，用于解决网络冲突（仅 Linux）。将 `ciders` 映射到真实的网络 CIDR | `{"192.168.11.0/24": "192.168.10.0/24"}` |
 
 **💡 动态路由重载：**
 

etc/routes.json.example

@@ -5,71 +5,91 @@
     "private_ip": "10.0.1.1",
     "mask": "255.255.255.0",
     "gateway": "10.0.1.254",
-    "ciders": ["192.168.100.0/24", "192.168.101.0/24"]
+    "ciders": ["192.168.100.0/24", "192.168.101.0/24"],
+    "cider_mapping": {}
   },
   {
     "cluster": "production",
     "identity": "prod-app-server-01",
     "private_ip": "10.0.1.2",
     "mask": "255.255.255.0",
     "gateway": "10.0.1.254",
-    "ciders": []
+    "ciders": [],
+    "cider_mapping": {}
   },
   {
     "cluster": "production",
     "identity": "prod-db-server-01",
     "private_ip": "10.0.1.3",
     "mask": "255.255.255.0",
     "gateway": "10.0.1.254",
-    "ciders": []
+    "ciders": [],
+    "cider_mapping": {}
   },
   {
     "cluster": "staging",
     "identity": "staging-gateway-01",
     "private_ip": "10.0.2.1",
     "mask": "255.255.255.0",
     "gateway": "10.0.2.254",
-    "ciders": ["192.168.200.0/24"]
+    "ciders": ["192.168.200.0/24"],
+    "cider_mapping": {}
   },
   {
     "cluster": "staging",
     "identity": "staging-app-server-01",
     "private_ip": "10.0.2.2",
     "mask": "255.255.255.0",
     "gateway": "10.0.2.254",
-    "ciders": []
+    "ciders": [],
+    "cider_mapping": {}
   },
   {
     "cluster": "development",
     "identity": "dev-workstation-01",
     "private_ip": "10.0.3.1",
     "mask": "255.255.255.0",
     "gateway": "10.0.3.254",
-    "ciders": []
+    "ciders": [],
+    "cider_mapping": {}
   },
   {
     "cluster": "development",
     "identity": "dev-workstation-02",
     "private_ip": "10.0.3.2",
     "mask": "255.255.255.0",
     "gateway": "10.0.3.254",
-    "ciders": []
+    "ciders": [],
+    "cider_mapping": {}
   },
   {
     "cluster": "remote-workers",
     "identity": "remote-alice",
     "private_ip": "10.0.100.1",
     "mask": "255.255.255.0",
     "gateway": "10.0.100.254",
-    "ciders": []
+    "ciders": [],
+    "cider_mapping": {}
   },
   {
     "cluster": "remote-workers",
     "identity": "remote-bob",
     "private_ip": "10.0.100.2",
     "mask": "255.255.255.0",
     "gateway": "10.0.100.254",
-    "ciders": []
+    "ciders": [],
+    "cider_mapping": {}
+  },
+  {
+    "cluster": "production",
+    "identity": "client-with-conflict",
+    "private_ip": "10.0.1.4",
+    "mask": "255.255.255.0",
+    "gateway": "10.0.1.254",
+    "ciders": ["192.168.11.0/24"],
+    "cider_mapping": {
+      "192.168.11.0/24": "192.168.10.0/24"
+    }
   }
 ]