diff --git a/6_vpn/ar1ip.png b/6_vpn/ar1ip.png new file mode 100644 index 0000000..1614aa4 Binary files /dev/null and b/6_vpn/ar1ip.png differ diff --git a/6_vpn/ar1rip.png b/6_vpn/ar1rip.png new file mode 100644 index 0000000..c0d8daf Binary files /dev/null and b/6_vpn/ar1rip.png differ diff --git a/6_vpn/ar2ip.png b/6_vpn/ar2ip.png new file mode 100644 index 0000000..082a323 Binary files /dev/null and b/6_vpn/ar2ip.png differ diff --git a/6_vpn/ar2rip.png b/6_vpn/ar2rip.png new file mode 100644 index 0000000..6e29e0b Binary files /dev/null and b/6_vpn/ar2rip.png differ diff --git a/6_vpn/ar3binding.jpg b/6_vpn/ar3binding.jpg new file mode 100644 index 0000000..45acd56 Binary files /dev/null and b/6_vpn/ar3binding.jpg differ diff --git a/6_vpn/ar3ip.jpg b/6_vpn/ar3ip.jpg new file mode 100644 index 0000000..75b602e Binary files /dev/null and b/6_vpn/ar3ip.jpg differ diff --git a/6_vpn/ar3ip_2.jpg b/6_vpn/ar3ip_2.jpg new file mode 100644 index 0000000..a980970 Binary files /dev/null and b/6_vpn/ar3ip_2.jpg differ diff --git a/6_vpn/ar3rip.jpg b/6_vpn/ar3rip.jpg new file mode 100644 index 0000000..e808a25 Binary files /dev/null and b/6_vpn/ar3rip.jpg differ diff --git a/6_vpn/ar3vpn.jpg b/6_vpn/ar3vpn.jpg new file mode 100644 index 0000000..210e8d0 Binary files /dev/null and b/6_vpn/ar3vpn.jpg differ diff --git a/6_vpn/ar3vpnrip.png b/6_vpn/ar3vpnrip.png new file mode 100644 index 0000000..18ce406 Binary files /dev/null and b/6_vpn/ar3vpnrip.png differ diff --git a/6_vpn/labtemplate.typ b/6_vpn/labtemplate.typ new file mode 100644 index 0000000..0bd3b4e --- /dev/null +++ b/6_vpn/labtemplate.typ @@ -0,0 +1,153 @@ +#let times = "Times LT Pro" +#let times = "Times New Roman" +#let song = (times, "Noto Serif CJK SC") +#let hei = (times, "Noto Sans CJK SC") +#let kai = (times, "Noto Serif CJK SC") +#let xbsong = (times, "Noto Serif CJK SC") +#let fsong = (times, "Noto Serif CJK SC") +#let code = (times, "JetBrains Mono") +#let nudtlabpaper(title: "", + author: "", + id: "", + training_type:"", + grade: "", + major: "", + department: "", + advisor: "", + jobtitle: "", + lab: "", + date: "", + header_str: "", + body) = { + // Set the document's basic properties. + set document(author: author, title: title) + set page( + + margin: (left: 30mm, right: 30mm, top: 30mm, bottom: 30mm), + ) + + // Title row. + v(158pt) + align(center)[ + #block(text(weight: 700, size: 30pt, font: hei, tracking: 15pt, "网络工程")) + ] + align(center)[ + #block(text(weight: 700, size: 30pt, font: song, tracking: 15pt, "本科实验报告")) + ] + + v(103pt) + pad( + left: 1em, + right: 1em, + grid( + columns: (80pt, 1fr), + rows: (17pt, auto), + text(weight: 700, size: 16pt, font: song, "实验名称："), + align(center, text(weight: "regular", size: 16pt, font: song, title)), + text(""), + line(length: 100%) + ) + // #block(text(weight: 700, 1.75em, title)) + // underline(text(weight: 700, size: 16pt, font: song, title)) + ) + + // Author information. + + v(82.5pt) + + grid( + columns: (0.25fr, 0.25fr, 0.25fr, 0.25fr), + rows: (15pt, 8pt, 15pt, 8pt, 15pt, 8pt, 15pt, 8pt, 15pt), + text(size: 14pt, font: song, tracking: 10pt, "学员姓名"), + align(center, text(size: 14pt, font: song, author)), + text(size: 14pt, font: song, tracking: 54pt, "学号"), + align(center, text(size: 14pt, font: times, id)), + text(""), + line(length: 100%), + text(""), + line(length: 100%), + text(size: 14pt, font: song, tracking: 9pt, "培养类型"), + align(center, text(size: 14pt, font: song, training_type)), + text(size: 14pt, font: song, tracking: 54pt, "年级"), + align(center, text(size: 14pt, font: times, grade)), + text(""), + line(length: 100%), + text(""), + line(length: 100%), + text(size: 14pt, font: song, tracking: 54pt, "专业"), + align(center, text(size: 14pt, font: song, major)), + text(size: 14pt, font: song, tracking: 9pt, "所属学院"), + align(center, text(size: 14pt, font: song, department)), + text(""), + line(length: 100%), + text(""), + line(length: 100%), + text(size: 14pt, font: song, tracking: 9pt, "指导教员"), + align(center, text(size: 14pt, font: song, advisor)), + text(size: 14pt, font: song, tracking: 54pt, "职称"), + align(center, text(size: 14pt, font: song, jobtitle)), + text(""), + line(length: 100%), + text(""), + line(length: 100%), + text(size: 14pt, font: song, tracking: 20pt, "实验室"), + align(center, text(size: 14pt, font: song, lab)), + text(size: 14pt, font: song, tracking: 9pt, "实验时间"), + align(center, text(size: 14pt, font: song, date)), + text(""), + line(length: 100%), + text(""), + line(length: 100%), + ) + + v(50.5pt) + align(center, text(font: hei, size: 15pt, "国防科技大学教育训练部制")) + + pagebreak() + + set page( + margin: (left: 30mm, right: 30mm, top: 30mm, bottom: 30mm), + numbering: "i", + number-align: center, + ) + + v(14pt) + align(center)[ + #block(text(font: hei, size: 14pt, "《本科实验报告》填写说明")) + ] + + v(14pt) + text("") + par(first-line-indent: 2em, text(font: song, size: 12pt, "实验报告内容编排应符合以下要求：")) + + par(first-line-indent: 2em, text(font: fsong, size: 12pt, "（1）采用A4（21cm×29.7cm）白色复印纸，单面黑字。上下左右各侧的页边距均为3cm；缺省文档网格：字号为小4号，中文为宋体，英文和阿拉伯数字为Times New Roman，每页30行，每行36字；页脚距边界为2.5cm，页码置于页脚、居中，采用小5号阿拉伯数字从1开始连续编排，封面不编页码。")) + + par(first-line-indent: 2em, text(font: fsong, size: 12pt, "（2）报告正文最多可设四级标题，字体均为黑体，第一级标题字号为4号，其余各级标题为小4号；标题序号第一级用“一、”、“二、”……，第二级用“（一）”、“（二）” ……，第三级用“1.”、“2.” ……，第四级用“（1）”、“（2）” ……，分别按序连续编排。")) + + par(first-line-indent: 2em, text(font: fsong, size: 12pt, "（3）正文插图、表格中的文字字号均为5号。")) + + pagebreak() + + set page( + margin: (left: 30mm, right: 30mm, top: 30mm, bottom: 30mm), + numbering: "1", + number-align: center, + ) + + set heading(numbering: "1.1") + // set text(font: hei, lang: "zh") + + show heading: it => box(width: 100%)[ + #v(0.50em) + #set text(font: hei) + #counter(heading).display() + // #h(0.5em) + #it.body + ] + // Main body. + set par(justify: true) + + body +} + +#let para(t) = par(first-line-indent: 2em, text(font: song, size: 10.5pt, t)) \ No newline at end of file diff --git a/6_vpn/ref.yml b/6_vpn/ref.yml new file mode 100644 index 0000000..b446fe4 --- /dev/null +++ b/6_vpn/ref.yml @@ -0,0 +1,23 @@ +haweiS600ESeriesSwitchesCase1: + type: Web + title: S600-E系列交换机 典型配置案例 - 华为 + author: 华为 + url: + value: https://support.huawei.com/enterprise/zh/doc/EDOC1000141427/f36b09a2 + date: 2024-11-07 + +haweiS600ESeriesSwitchesCase2: + type: Web + title: S600-E系列交换机 典型配置案例 - 华为 + author: 华为 + url: + value: https://support.huawei.com/enterprise/zh/doc/EDOC1000141427/82710693 + date: 2024-11-07 + +haweiS600ESeriesSwitchesCase3: + type: Web + title: 配置端口安全示例 - S600-E系列交换机 典型配置案例 - 华为 + author: 华为 + url: + value: https://support.huawei.com/enterprise/zh/doc/EDOC1000141427/6b53bfef + date: 2024-11-07 \ No newline at end of file diff --git a/6_vpn/tag.jpg b/6_vpn/tag.jpg new file mode 100644 index 0000000..f97e7c3 Binary files /dev/null and b/6_vpn/tag.jpg differ diff --git a/6_vpn/vpn.pdf b/6_vpn/vpn.pdf new file mode 100644 index 0000000..95b53ad Binary files /dev/null and b/6_vpn/vpn.pdf differ diff --git a/6_vpn/vpn.typ b/6_vpn/vpn.typ new file mode 100644 index 0000000..f6d7e55 --- /dev/null +++ b/6_vpn/vpn.typ @@ -0,0 +1,182 @@ +#import "labtemplate.typ": * +#show: nudtlabpaper.with(title: "VPN实例配置", + author: "程景愉", + id: "202302723005", + training_type: "无军籍", + grade: "2023", + major: "网络工程", + department: "计算机学院", + advisor: "张军", + jobtitle: "工程师", + lab: "306-707", + date: "2025.09.28", + header_str: "《网络工程》实验报告", +) +#set page(header: [ + #set par(spacing: 6pt) + #align(center)[#text(size: 11pt)[《网络工程》实验报告]] + #v(-0.3em) + #line(length: 100%, stroke: (thickness: 1pt)) +],) + + #show heading: it => box(width: 100%)[ + #v(0.50em) + #set text(font: hei) + #it.body + ] + +#outline(title: "目录",depth: 3, indent: 1em) +#outline( + title: [图目录], + target: figure.where(kind: image), +) + + #show heading: it => box(width: 100%)[ + #v(0.50em) + #set text(font: hei) + #counter(heading).display() + // #h(0.5em) + #it.body + ] +#set enum(indent: 0.5em,body-indent: 0.5em,) +#pagebreak() + += 实验目的 +#para[ + 1. 了解VPN的基本概念及应用场景； + 2. 掌握VPN在隔离数据流、构建虚拟网络中的关键作用； + 3. 熟悉VPN的配置方法与工作机制。 + 通过本实验，我将学习VPN的基本原理及其在实现多租户隔离、提升网络灵活性方面的重要应用。同时，通过实践掌握VPN实例的创建、接口绑定及路由表配置等操作，深入理解VPN实例在数据转发和隔离中的实现机制，并了解其与根实例的区别及优点。实验将进一步验证VPN实例在多接口场景下的流量隔离效果，帮助我建立对虚拟网络技术的系统性认识，为日后设计复杂网络拓扑和实现网络隔离奠定基础。 +] + += 实验原理 +== VPN +#para[ + 虚拟专用网络（VPN，Virtual Private Network）是一种通过公共网络（如Internet）建立安全连接的技术，用于实现远程用户接入、分支机构互联、数据加密传输等应用场景。VPN技术通过加密隧道、身份认证、数据加密等手段，保障数据传输的安全性和隐私性，提高网络通信的可靠性和保密性。常见的VPN类型包括IPSec VPN、SSL VPN、PPTP VPN等，广泛应用于企业网络、远程办公、移动通信等领域。 +] +== VRF +=== 概述 +#para[ + 虚拟路由转发（VRF，Virtual Routing and Forwarding）技术通过在同一台三层设备上创建多张独立的路由表，实现数据流的隔离和独立转发。VRF广泛应用于MPLS VPN、防火墙等需要隔离的场景。在VRF环境中，每个实例拥有独立的接口、路由表和路由协议进程等，使流量彻底隔离。没有VPN实例时，设备的所有接口都属于同一个根实例；而创建VPN实例后，可以将特定接口绑定到该实例，使其服务于特定业务，从而实现多租户数据的独立管理。 + + 在华为设备上VRF又称为VPN实例。 +] +=== 工作原理 +#para[ + 1. 创建实例：在物理设备中创建VPN实例，用于定义独立的转发域； + 2. 接口绑定：将三层接口（如物理接口、子接口或VLANIF接口）分配给实例，使其成为实例的一部分； + 3. 路由表建立：基于实例绑定的接口和配置的路由协议建立独立的路由表，并按照这些路由表转发数据，从而实现实例间的数据隔离。 +] +#pagebreak() += 实验环境 +== 实验背景 +#para[ + 网工系的学生正在学习VPN技术，需要通过实验验证VPN实例在网络隔离中的应用。为此，需要搭建一个简单的网络拓扑，包括三台路由器和四台PC，通过配置VPN实例实现不同网络之间的数据隔离。 +] + +== 实验设备 +#para[ +#align(center)[#table( + columns: (auto, auto,auto), + rows:(auto, auto,auto), + inset: 10pt, + align: horizon+center, + table.header( + [*设备名称*], [*设备型号*], [*设备数量*] + ), + + "路由器", "华为AR6120-S", "3", + "PC", "联想启天M410\nWindows 10", "4", +)] + 另有网线若干，控制线3条。 +] + += 实验步骤及结果 +== 实验拓扑 +#para[ + 按实验背景，绘制拓扑图如下： + #figure(image("实验拓扑.png",format: "png",fit:"stretch",width: 100%),caption: "实验拓扑图") + 要求将红框内的PC1、PC3划分到一个VPN实例中。 +] +#pagebreak() +== 按照拓扑图接线 +#para[ + 按照拓扑图接线。 + #figure(image("机柜正面连线.jpg",format: "jpg",fit:"stretch",width: 50%),caption: "机柜正面接线图") + #figure(image("机柜背面连线.jpg",format: "jpg",fit:"stretch",width: 50%),caption: "机柜背面接线图") +] +#pagebreak() +== 配置基本网络 +=== 配置PC +#para[ + - 配置PC1的IP地址为`192.168.10.1/24`，网关为`192.168.10.2`； + - 配置PC2的IP地址为`192.168.20.1/24`，网关为`192.168.20.2`； + - 配置PC3的IP地址为`192.168.30.1/24`，网关为`192.168.30.2`； + - 配置PC4的IP地址为`192.168.40.1/24`，网关为`192.168.40.2`。 + 步骤简单，展示图略。 +] +=== 配置路由器IP地址 +#para[ + 按照拓扑图配置路由器的IP地址。配置AR1的G0/0/0口IP地址为 +1. 配置AR1路由器： + - 接口 `GE 0/0/0` 连接到 `AR3`，IP地址为 `192.168.60.2`。 + - 接口 `GE 0/0/1` 连接到 `PC3`，IP地址为 `192.168.30.2`。 +#figure(image("ar1ip.png",format: "png",fit:"stretch",width: 60%),caption: "配置AR1的IP地址") + +2. 配置AR2路由器： + - 接口 `GE 0/0/0` 连接到 `AR3`，IP地址为 `192.168.80.2`。 + - 接口 `GE 0/0/1` 连接到 `PC4`，IP地址为 `192.168.40.2`。 +#figure(image("ar2ip.png",format: "png",fit:"stretch",width: 60%),caption: "配置AR2的IP地址") +3. 配置AR3路由器： + - 接口 `GE 0/0/0` 连接到 `PC1`，IP地址为 `192.168.10.2`。 + - 接口 `GE 0/0/1` 连接到 `PC2`，IP地址为 `192.168.20.2`。 + 注意拓扑图中的`Ethernet0/0/0`和`Ethernet0/0/1`分别对应`GE 0/0/3`和`GE 0/0/2`： + - 接口 `GE 0/0/2` 连接到 `AR2`，IP地址为 `192.168.80.1`。 + - 接口 `GE 0/0/3` 连接到 `AR1`，IP地址为 `192.168.60.1`。 +#figure(image("ar3ip.jpg",format: "jpg",fit:"stretch",width: 70%),caption: "配置AR3的IP地址") +] +=== 配置RIP协议使互通 +#para[ + 本次实验使用RIP协议，配置路由器使得各个网络互通： + #figure(image("ar1rip.png",format: "png",fit:"stretch",width: 60%),caption: "在AR1上配置RIP协议") + #figure(image("ar2rip.png",format: "png",fit:"stretch",width: 60%),caption: "在AR2上配置RIP协议") + #figure(image("ar3rip.jpg",format: "jpg",fit:"stretch",width: 60%),caption: "在AR3上配置RIP协议") + 此时在PC4(`192.168.40.1/24`)上ping其他三台主机，发现可以互通： + #figure(image("配置vpn前_2.jpg",format: "jpg",fit:"stretch",width: 90%),caption: "PC2 ping其他主机") +] +== 配置VPN实例 +=== 创建VPN实例 +#para[ + 在AR1上创建VPN实例`wlxvpn`，并为该实例设置RD值为`100:1`： + #figure(image("ar3vpn.jpg",format: "jpg",fit:"stretch",width: 70%),caption: "创建VPN实例并设置RD值") + 并配置接口`GE 0/0/0`、`GE 0/0/2`绑定到该实例： + #figure(image("ar3binding.jpg",format: "jpg",fit:"stretch",width: 70%),caption: "绑定接口") + 如下图@qingkong，绑定之后接口的配置会被清空，需要重新设置接口的IP地址： + #figure(image("ar3ip_2.jpg",format: "jpg",fit:"stretch",width: 70%),caption: "重新设置接口IP地址") +] +=== 配置VPN实例的路由 +#para[ + 向`wlxvpn`的路由表中创建RIP进程，进程号为100，并且该进程与VPN实例`wlxvpn`进行绑定。设备在该RIP进程中所学习到的路由会加载到`wlxvpn`的路由表中。 + #figure(image("ar3vpnrip.png",format: "png",fit:"stretch",width: 50%),caption: "配置RIP进程") + 此时可以测试一下VPN的连通性： + #figure(image("vpnpingPC1.png",format: "png",fit:"stretch",width: 80%),caption: "AR3 ping PC1") +] +== 结果检验 +#para[ + 在PC1上分别ping PC2与PC3，发现PC1与PC2无法通信，PC1与PC3可以通信： + #figure(image("配置vpn后.jpg",format: "jpg",fit:"stretch",width: 100%),caption: "PC1分别ping VPN内外的主机") + 说明VPN实例`wlxvpn`的配置成功，实现了PC1与PC2等的数据隔离。 +] += 实验总结 +#para[ + 本次实验通过配置VPN实例，实现了不同网络之间的数据隔禆，验证了VPN实例在网络隔离中的重要作用。通过实验，我掌握了VPN实例的创建、接口绑定、路由配置等操作方法，深入理解了VPN实例在数据转发和隔离中的实现机制。同时，通过实验验证了VPN实例在多接口场景下的流量隔离效果，为我今后设计复杂网络拓扑和实现网络隔离提供了重要参考。 +] +#show heading: it => box(width: 100%)[ + #v(0.50em) + #set text(font: hei) + // #counter(heading).display() + // #h(0.5em) + #it.body +] +// #pagebreak() +// #bibliography("ref.yml",full: true,title: "参考文献",style:"gb-7714-2015-numeric") \ No newline at end of file diff --git a/6_vpn/vpnpingPC1.png b/6_vpn/vpnpingPC1.png new file mode 100644 index 0000000..1b46467 Binary files /dev/null and b/6_vpn/vpnpingPC1.png differ diff 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