From b699a546fbe0b2bd24f8d9302c7688f2a0b22587 Mon Sep 17 00:00:00 2001
From: CGH0S7 <776459475@qq.com>
Date: Wed, 3 Dec 2025 11:42:14 +0800
Subject: [PATCH] Update NAT lab

---
 myshixun/nat/PC1_startup.vpc                  |   2 +
 myshixun/nat/PC2_startup.vpc                  |  10 +
 myshixun/nat/R1_configs_i1_startup-config.cfg | 115 +++++
 myshixun/nat/R2_configs_i2_startup-config.cfg | 110 +++++
 myshixun/nat/nat.gns3                         | 409 ++++++++++++++++++
 5 files changed, 646 insertions(+)
 create mode 100644 myshixun/nat/PC1_startup.vpc
 create mode 100644 myshixun/nat/PC2_startup.vpc
 create mode 100644 myshixun/nat/R1_configs_i1_startup-config.cfg
 create mode 100644 myshixun/nat/R2_configs_i2_startup-config.cfg
 create mode 100644 myshixun/nat/nat.gns3

diff --git a/myshixun/nat/PC1_startup.vpc b/myshixun/nat/PC1_startup.vpc
new file mode 100644
index 0000000..56357c0
--- /dev/null
+++ b/myshixun/nat/PC1_startup.vpc
@@ -0,0 +1,2 @@
+set pcname PC1
+ip 192.168.1.10 192.168.1.1 24
diff --git a/myshixun/nat/PC2_startup.vpc b/myshixun/nat/PC2_startup.vpc
new file mode 100644
index 0000000..405d17c
--- /dev/null
+++ b/myshixun/nat/PC2_startup.vpc
@@ -0,0 +1,10 @@
+# This the configuration for PC2
+#
+# Uncomment the following line to enable DHCP
+# dhcp
+# or the line below to manually setup an IP address and subnet mask
+# ip 192.168.1.1 255.0.0.0
+#
+
+set pcname PC2
+ip 192.168.1.20 192.168.1.1 24
diff --git a/myshixun/nat/R1_configs_i1_startup-config.cfg b/myshixun/nat/R1_configs_i1_startup-config.cfg
new file mode 100644
index 0000000..cb26c4b
--- /dev/null
+++ b/myshixun/nat/R1_configs_i1_startup-config.cfg
@@ -0,0 +1,115 @@
+!
+
+!
+version 12.4
+service timestamps debug datetime msec
+service timestamps log datetime msec
+no service password-encryption
+!
+hostname R1
+!
+boot-start-marker
+boot-end-marker
+!
+!
+no aaa new-model
+memory-size iomem 5
+no ip icmp rate-limit unreachable
+!
+!
+ip cef
+no ip domain lookup
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+ip tcp synwait-time 5
+! 
+!
+!
+!
+!
+interface FastEthernet0/0
+ ip address 192.168.1.1 255.255.255.0
+ ip nat inside
+ ip virtual-reassembly
+ duplex auto
+ speed auto
+!
+interface FastEthernet0/1
+ no ip address
+ shutdown
+ duplex auto
+ speed auto
+!
+interface Serial1/0
+ ip address 100.99.12.1 255.255.255.0
+ ip nat outside
+ ip virtual-reassembly
+ serial restart-delay 0
+!
+interface Serial1/1
+ no ip address
+ shutdown
+ serial restart-delay 0
+!
+interface Serial1/2
+ no ip address
+ shutdown
+ serial restart-delay 0
+!
+interface Serial1/3
+ no ip address
+ shutdown
+ serial restart-delay 0
+!
+!
+no ip http server
+no ip http secure-server
+ip forward-protocol nd
+!
+!
+ip nat inside source static 192.168.1.10 100.99.12.10
+ip nat inside source static 192.168.1.20 100.99.12.20
+!
+no cdp log mismatch duplex
+!
+!
+!
+control-plane
+!
+!
+!
+!
+!
+!
+!
+!
+!
+line con 0
+ exec-timeout 0 0
+ privilege level 15
+ logging synchronous
+line aux 0
+ exec-timeout 0 0
+ privilege level 15
+ logging synchronous
+line vty 0 4
+ login
+!
+!
+end
diff --git a/myshixun/nat/R2_configs_i2_startup-config.cfg b/myshixun/nat/R2_configs_i2_startup-config.cfg
new file mode 100644
index 0000000..db516f4
--- /dev/null
+++ b/myshixun/nat/R2_configs_i2_startup-config.cfg
@@ -0,0 +1,110 @@
+!
+
+!
+version 12.4
+service timestamps debug datetime msec
+service timestamps log datetime msec
+no service password-encryption
+!
+hostname R2
+!
+boot-start-marker
+boot-end-marker
+!
+!
+no aaa new-model
+memory-size iomem 5
+no ip icmp rate-limit unreachable
+!
+!
+ip cef
+no ip domain lookup
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+!
+ip tcp synwait-time 5
+! 
+!
+!
+!
+!
+interface FastEthernet0/0
+ no ip address
+ shutdown
+ duplex auto
+ speed auto
+!
+interface FastEthernet0/1
+ no ip address
+ shutdown
+ duplex auto
+ speed auto
+!
+interface Serial1/0
+ ip address 100.99.12.2 255.255.255.0
+ serial restart-delay 0
+!
+interface Serial1/1
+ no ip address
+ shutdown
+ serial restart-delay 0
+!
+interface Serial1/2
+ no ip address
+ shutdown
+ serial restart-delay 0
+!
+interface Serial1/3
+ no ip address
+ shutdown
+ serial restart-delay 0
+!
+!
+no ip http server
+no ip http secure-server
+ip forward-protocol nd
+!
+!
+!
+no cdp log mismatch duplex
+!
+!
+!
+control-plane
+!
+!
+!
+!
+!
+!
+!
+!
+!
+line con 0
+ exec-timeout 0 0
+ privilege level 15
+ logging synchronous
+line aux 0
+ exec-timeout 0 0
+ privilege level 15
+ logging synchronous
+line vty 0 4
+ login
+!
+!
+end
diff --git a/myshixun/nat/nat.gns3 b/myshixun/nat/nat.gns3
new file mode 100644
index 0000000..eaff6fa
--- /dev/null
+++ b/myshixun/nat/nat.gns3
@@ -0,0 +1,409 @@
+{
+    "auto_close": true,
+    "auto_open": false,
+    "auto_start": false,
+    "drawing_grid_size": 25,
+    "grid_size": 75,
+    "name": "nat",
+    "project_id": "6e4aa82b-d761-4c10-b9e5-70d0ba6027bb",
+    "revision": 9,
+    "scene_height": 1000,
+    "scene_width": 2000,
+    "show_grid": false,
+    "show_interface_labels": false,
+    "show_layers": false,
+    "snap_to_grid": false,
+    "supplier": null,
+    "topology": {
+        "computes": [],
+        "drawings": [],
+        "links": [
+            {
+                "filters": {},
+                "link_id": "01bb9c53-fba9-432e-b799-ef0e9a0b1777",
+                "nodes": [
+                    {
+                        "adapter_number": 0,
+                        "label": {
+                            "rotation": 0,
+                            "style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
+                            "text": "e0",
+                            "x": 67,
+                            "y": 49
+                        },
+                        "node_id": "5eca993f-3ec5-4db8-8773-ad518ad764c5",
+                        "port_number": 0
+                    },
+                    {
+                        "adapter_number": 0,
+                        "label": {
+                            "rotation": 0,
+                            "style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
+                            "text": "e0",
+                            "x": 0,
+                            "y": -4
+                        },
+                        "node_id": "c5f834b8-7026-4274-9ebd-ec74059c6fe5",
+                        "port_number": 0
+                    }
+                ],
+                "suspend": false
+            },
+            {
+                "filters": {},
+                "link_id": "238dcbf6-1e23-4d0f-9fb3-4664a30a62f7",
+                "nodes": [
+                    {
+                        "adapter_number": 0,
+                        "label": {
+                            "rotation": 0,
+                            "style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
+                            "text": "e0",
+                            "x": 69,
+                            "y": 15
+                        },
+                        "node_id": "c4d8e2a9-d97e-4a8e-96c8-1413621db468",
+                        "port_number": 0
+                    },
+                    {
+                        "adapter_number": 0,
+                        "label": {
+                            "rotation": 0,
+                            "style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
+                            "text": "e1",
+                            "x": -1,
+                            "y": 30
+                        },
+                        "node_id": "c5f834b8-7026-4274-9ebd-ec74059c6fe5",
+                        "port_number": 1
+                    }
+                ],
+                "suspend": false
+            },
+            {
+                "filters": {},
+                "link_id": "652915ec-b91a-4af0-9342-df8c41f80f88",
+                "nodes": [
+                    {
+                        "adapter_number": 0,
+                        "label": {
+                            "rotation": 0,
+                            "style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
+                            "text": "e2",
+                            "x": 74,
+                            "y": 25
+                        },
+                        "node_id": "c5f834b8-7026-4274-9ebd-ec74059c6fe5",
+                        "port_number": 2
+                    },
+                    {
+                        "adapter_number": 0,
+                        "label": {
+                            "rotation": 0,
+                            "style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
+                            "text": "f0/0",
+                            "x": -5,
+                            "y": 12
+                        },
+                        "node_id": "62f3bd1c-fd2f-4f48-947e-5816e7383706",
+                        "port_number": 0
+                    }
+                ],
+                "suspend": false
+            },
+            {
+                "filters": {},
+                "link_id": "8ff5d0b6-a063-461e-8805-0efc89880d8f",
+                "nodes": [
+                    {
+                        "adapter_number": 1,
+                        "label": {
+                            "rotation": 0,
+                            "style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
+                            "text": "s1/0",
+                            "x": 33,
+                            "y": 22
+                        },
+                        "node_id": "62f3bd1c-fd2f-4f48-947e-5816e7383706",
+                        "port_number": 0
+                    },
+                    {
+                        "adapter_number": 1,
+                        "label": {
+                            "rotation": 0,
+                            "style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
+                            "text": "s1/0",
+                            "x": 33,
+                            "y": 22
+                        },
+                        "node_id": "6e397fae-9859-4d1b-ba98-43195c3a7fb1",
+                        "port_number": 0
+                    }
+                ],
+                "suspend": false
+            }
+        ],
+        "nodes": [
+            {
+                "compute_id": "local",
+                "console": 5001,
+                "console_auto_start": false,
+                "console_type": "telnet",
+                "custom_adapters": [],
+                "first_port_name": null,
+                "height": 45,
+                "label": {
+                    "rotation": 0,
+                    "style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
+                    "text": "R2",
+                    "x": 21,
+                    "y": -25
+                },
+                "locked": false,
+                "name": "R2",
+                "node_id": "6e397fae-9859-4d1b-ba98-43195c3a7fb1",
+                "node_type": "dynamips",
+                "port_name_format": "Ethernet{0}",
+                "port_segment_size": 0,
+                "properties": {
+                    "auto_delete_disks": true,
+                    "aux": null,
+                    "chassis": "3660",
+                    "clock_divisor": 4,
+                    "disk0": 0,
+                    "disk1": 0,
+                    "dynamips_id": 2,
+                    "exec_area": 64,
+                    "idlemax": 500,
+                    "idlepc": "0x606436b8",
+                    "idlesleep": 30,
+                    "image": "c3660-telcoentk9-mz.124-25d.image",
+                    "image_md5sum": "13b42ff8c0138d790ed3800e65d14cd2",
+                    "iomem": 5,
+                    "mac_addr": "cc02.024a.0000",
+                    "mmap": true,
+                    "nvram": 512,
+                    "platform": "c3600",
+                    "ram": 192,
+                    "slot0": "Leopard-2FE",
+                    "slot1": "NM-4T",
+                    "slot2": null,
+                    "slot3": null,
+                    "slot4": null,
+                    "slot5": null,
+                    "slot6": null,
+                    "sparsemem": true,
+                    "system_id": "FTX0945W0MY",
+                    "usage": ""
+                },
+                "symbol": ":/symbols/router.svg",
+                "template_id": "e8a981b9-85e2-47e8-b41f-c1a7f81f9baa",
+                "width": 66,
+                "x": 174,
+                "y": -5,
+                "z": 1
+            },
+            {
+                "compute_id": "local",
+                "console": 5002,
+                "console_auto_start": false,
+                "console_type": "none",
+                "custom_adapters": [],
+                "first_port_name": null,
+                "height": 32,
+                "label": {
+                    "rotation": 0,
+                    "style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
+                    "text": "Switch1",
+                    "x": 24,
+                    "y": -35
+                },
+                "locked": false,
+                "name": "Switch1",
+                "node_id": "c5f834b8-7026-4274-9ebd-ec74059c6fe5",
+                "node_type": "ethernet_switch",
+                "port_name_format": "Ethernet{0}",
+                "port_segment_size": 0,
+                "properties": {
+                    "ports_mapping": [
+                        {
+                            "name": "Ethernet0",
+                            "port_number": 0,
+                            "type": "access",
+                            "vlan": 1
+                        },
+                        {
+                            "name": "Ethernet1",
+                            "port_number": 1,
+                            "type": "access",
+                            "vlan": 1
+                        },
+                        {
+                            "name": "Ethernet2",
+                            "port_number": 2,
+                            "type": "access",
+                            "vlan": 1
+                        },
+                        {
+                            "name": "Ethernet3",
+                            "port_number": 3,
+                            "type": "access",
+                            "vlan": 1
+                        },
+                        {
+                            "name": "Ethernet4",
+                            "port_number": 4,
+                            "type": "access",
+                            "vlan": 1
+                        },
+                        {
+                            "name": "Ethernet5",
+                            "port_number": 5,
+                            "type": "access",
+                            "vlan": 1
+                        },
+                        {
+                            "name": "Ethernet6",
+                            "port_number": 6,
+                            "type": "access",
+                            "vlan": 1
+                        },
+                        {
+                            "name": "Ethernet7",
+                            "port_number": 7,
+                            "type": "access",
+                            "vlan": 1
+                        }
+                    ]
+                },
+                "symbol": ":/symbols/ethernet_switch.svg",
+                "template_id": "1966b864-93e7-32d5-965f-001384eec461",
+                "width": 72,
+                "x": -102,
+                "y": -31,
+                "z": 1
+            },
+            {
+                "compute_id": "local",
+                "console": 5003,
+                "console_auto_start": false,
+                "console_type": "telnet",
+                "custom_adapters": [],
+                "first_port_name": null,
+                "height": 59,
+                "label": {
+                    "rotation": 0,
+                    "style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
+                    "text": "PC1",
+                    "x": 16,
+                    "y": -25
+                },
+                "locked": false,
+                "name": "PC1",
+                "node_id": "5eca993f-3ec5-4db8-8773-ad518ad764c5",
+                "node_type": "vpcs",
+                "port_name_format": "Ethernet{0}",
+                "port_segment_size": 0,
+                "properties": {},
+                "symbol": ":/symbols/vpcs_guest.svg",
+                "template_id": "19021f99-e36f-394d-b4a1-8aaa902ab9cc",
+                "width": 65,
+                "x": -220,
+                "y": -115,
+                "z": 1
+            },
+            {
+                "compute_id": "local",
+                "console": 5005,
+                "console_auto_start": false,
+                "console_type": "telnet",
+                "custom_adapters": [],
+                "first_port_name": null,
+                "height": 59,
+                "label": {
+                    "rotation": 0,
+                    "style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
+                    "text": "PC2",
+                    "x": 15,
+                    "y": -25
+                },
+                "locked": false,
+                "name": "PC2",
+                "node_id": "c4d8e2a9-d97e-4a8e-96c8-1413621db468",
+                "node_type": "vpcs",
+                "port_name_format": "Ethernet{0}",
+                "port_segment_size": 0,
+                "properties": {},
+                "symbol": ":/symbols/vpcs_guest.svg",
+                "template_id": "19021f99-e36f-394d-b4a1-8aaa902ab9cc",
+                "width": 65,
+                "x": -222,
+                "y": 3,
+                "z": 1
+            },
+            {
+                "compute_id": "local",
+                "console": 5000,
+                "console_auto_start": false,
+                "console_type": "telnet",
+                "custom_adapters": [],
+                "first_port_name": null,
+                "height": 45,
+                "label": {
+                    "rotation": 0,
+                    "style": "font-family: TypeWriter;font-size: 10.0;font-weight: bold;fill: #000000;fill-opacity: 1.0;",
+                    "text": "R1",
+                    "x": 21,
+                    "y": -25
+                },
+                "locked": false,
+                "name": "R1",
+                "node_id": "62f3bd1c-fd2f-4f48-947e-5816e7383706",
+                "node_type": "dynamips",
+                "port_name_format": "Ethernet{0}",
+                "port_segment_size": 0,
+                "properties": {
+                    "auto_delete_disks": true,
+                    "aux": null,
+                    "chassis": "3660",
+                    "clock_divisor": 4,
+                    "disk0": 0,
+                    "disk1": 0,
+                    "dynamips_id": 1,
+                    "exec_area": 64,
+                    "idlemax": 500,
+                    "idlepc": "0x606436b8",
+                    "idlesleep": 30,
+                    "image": "c3660-telcoentk9-mz.124-25d.image",
+                    "image_md5sum": "13b42ff8c0138d790ed3800e65d14cd2",
+                    "iomem": 5,
+                    "mac_addr": "cc01.029b.0000",
+                    "mmap": true,
+                    "nvram": 512,
+                    "platform": "c3600",
+                    "ram": 192,
+                    "slot0": "Leopard-2FE",
+                    "slot1": "NM-4T",
+                    "slot2": null,
+                    "slot3": null,
+                    "slot4": null,
+                    "slot5": null,
+                    "slot6": null,
+                    "sparsemem": true,
+                    "system_id": "FTX0945W0MY",
+                    "usage": ""
+                },
+                "symbol": ":/symbols/router.svg",
+                "template_id": "e8a981b9-85e2-47e8-b41f-c1a7f81f9baa",
+                "width": 66,
+                "x": 22,
+                "y": -8,
+                "z": 1
+            }
+        ]
+    },
+    "type": "topology",
+    "variables": null,
+    "version": "2.2.2",
+    "zoom": 100
+}
\ No newline at end of file