Initial commit: 网络拓扑发现系统

- 支持Cisco、华为、H3C、ASA、Linux、Windows设备
- SSH远程采集设备信息
- 自动发现网络拓扑(LLDP/CDP)
- Web可视化界面
- 支持旧版SSH加密算法兼容

config.example.json

@@ -0,0 +1,34 @@
+{
+  "scan_ranges": [
+    "192.168.1.0/24"
+  ],
+  "devices": [
+    {
+      "ip": "192.168.1.1",
+      "type": "cisco",
+      "username": "admin",
+      "password": "your_password",
+      "port": 22
+    },
+    {
+      "ip": "192.168.1.2",
+      "type": "huawei",
+      "username": "admin",
+      "password": "your_password",
+      "port": 22
+    }
+  ],
+  "ssh": {
+    "timeout": 10,
+    "max_retries": 3,
+    "port": 22
+  },
+  "web": {
+    "port": 8080,
+    "host": "0.0.0.0"
+  },
+  "scanner": {
+    "concurrency": 10,
+    "timeout": 2
+  }
+}