> For the complete documentation index, see [llms.txt](https://anida-huang.gitbook.io/computer-network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://anida-huang.gitbook.io/computer-network/qi-zhong/20201111-qi-zhong-zhou.md).

# 20201111 期中週

## 第一題

&#x20;**Static Routing**

![](/files/-MLoyXqAEQVd4JC98i6P)

{% tabs %}
{% tab title="R1" %}

```
int e0/0
```

```
ip add 12.1.1.1 255.255.255.0
```

```
no shut
```

```
int e0/1
```

```
ip add 45.1.1.1 255.255.255.0
```

```
no shut
```

```
int e0/2
```

```
ip add 192.168.1.1 255.255.255.0
```

```
no shut
```

```
exit
```

```
ip route 192.168.2.0 255.255.255.0 e0/0 12.1.1.2
```

```
ip route 192.168.2.0 255.255.255.0 e0/1 45.1.1.3 10
```

![](/files/-MLp5mubH7nKM5xELPv-)
{% endtab %}

{% tab title="R2" %}

```
int e0/0
```

```
ip add 12.1.1.2 255.255.255.0
```

```
no shut
```

```
int e0/1
```

```
ip add 23.1.1.2 255.255.255.0
```

```
no shut
```

```
int e0/2
```

```
ip add 192.168.2.1 255.255.255.0
```

```
no shut
```

```
exit
```

```
ip route 192.168.1.0 255.255.255.0 e0/0 12.1.1.1 10
```

```
ip route 192.168.1.0 255.255.255.0 e0/1 23.1.1.4
```

![](/files/-MLp506Bqr1ikckfxeai)
{% endtab %}

{% tab title="R3" %}

```
int e0/0
```

```
ip add 34.1.1.3 255.255.255.0
```

```
no shut
```

```
int e0/1
```

```
ip add 45.1.1.3 255.255.255.0
```

```
no shut
```

```
exit
```

```
ip route 192.168.1.0 255.255.255.0 e0/1 45.1.1.1
```

![](/files/-MLp6dnAvzrwJQZ51OqP)
{% endtab %}

{% tab title="R4" %}

```
int e0/0
```

```
ip add 34.1.1.4 255.255.255.0
```

```
no shut
```

```
int e0/1
```

```
ip add 23.1.1.4 255.255.255.0
```

```
no shut
```

```
exit
```

```
ip route 192.168.1.0 255.255.255.0 e0/0 34.1.1.3
```

![](/files/-MLp7HJ0IZoxiJeGDbHF)
{% endtab %}

{% tab title="VPC1" %}

```
ip 192.168.1.2 255.255.0.0
```

```
ping 192.168.2.2
```

![](/files/-MLp7nJTSMAww0I6N2c8)
{% endtab %}

{% tab title="VPC2" %}

```
ip 192.168.2.2 255.255.0.0
```

```
ping 192.168.1.2
```

![](/files/-MLp7tFHrRU9l37kK7JS)
{% endtab %}
{% endtabs %}

### 結果

![](/files/-MLp85YBuJdqj33HNYNE)

* H1-->H2

![](/files/-MLpB0Chzs7e8VgksB9w)

* H2-->H1

![](/files/-MLpAS2IscJe4VxaATH5)

## 第二題

**讓 h1、h2 透過 DHCP Server取得 IP 和相關資訊，h1 可 Ping h2**

![](/files/-MLoyjxijgTh-UuxNmhP)

{% tabs %}
{% tab title="R1" %}

```
int e0/0
```

```
ip addr 12.1.1.1 255.255.255.0
```

```
no shut
```

```
int e0/1
```

```
ip addr 192.168.1.1 255.255.255.0
```

```
no shut
```

```
exit
```

```
ip dhcp pool DHCP
```

```
network 192.168.1.0 /24
```

```
default-router 192.168.1.1
```

```
dns-server 8.8.8.8
```

![](/files/-MLpCGSSKl1IyT_5BJcH)
{% endtab %}

{% tab title="R2" %}

```
int e0/0
```

```
ip addr 12.1.1.2 255.255.255.0
```

```
no shut
```

```
int e0/1
```

```
ip addr 192.168.2.1 255.255.255.0
```

```
no shut
```

```
exit
```

```
ip dhcp pool DHCP2
```

```
network 192.168.2.0 /24
```

```
default-router 192.168.2.1
```

```
dns-server 8.8.8.8
```

![](/files/-MLpD1TXwxG6Xkx56bEd)
{% endtab %}

{% tab title="VPC1" %}

```
ip dhcp
```

```
ping 192.168.2.2
```

![](/files/-MLpEFAEgc7Ufq5CyEe1)
{% endtab %}

{% tab title="VPC2" %}

```
ip dhcp
```

```
ping 192.168.1.2
```

![](/files/-MLpENbyXUbMMZ1yrQ52)
{% endtab %}
{% endtabs %}

### 結果

![](/files/-MLpD8cUnwsb7IZ36E1M)

![](/files/-MLpEFAEgc7Ufq5CyEe1)

![](/files/-MLpEQ8Xsurp_Id9Bxx6)

## 第三題

**分別使用 RIP 和 EIGRP 讓 192.168.1.1 可 Ping 192.168.2.1**

![](/files/-MLoytt6mQDzYw1Dpb35)

> ### RIP

{% tabs %}
{% tab title="R1" %}

```
int e0/0
```

```
ip add 12.1.1.1 255.255.255.0
```

```
no shut
```

```
int lo 0
```

```
ip add 192.168.1.1 255.255.255.0
```

```
no shut
```

```
exit
```

```
router rip
```

```
ver 2
```

```
no auto-summary
```

```
network 12.1.1.0
```

```
network 23.1.1.0
```

```
network 192.168.1.0
```

```
do sh run
```

![](/files/-MLpJ5XG0yd0H9DDcvgg)

```
do ping 192.168.2.1
```

{% endtab %}

{% tab title="R2" %}

```
int e0/0
```

```
ip add 12.1.1.2 255.255.255.0
```

```
no shut
```

```
int e0/1
```

```
ip add 23.1.1.2 255.255.255.0
```

```
no shut
```

```
exit
```

```
router rip
```

```
ver 2
```

```
no auto-summary
```

```
network 12.1.1.0
```

```
network 23.1.1.0
```

```
do sh run
```

![](/files/-MLpKnKy-CCqFXpnzph8)
{% endtab %}

{% tab title="R3" %}

```
int e0/0
```

```
ip add 23.1.1.3 255.255.255.0
```

```
no shut
```

```
int lo 0
```

```
ip add 192.168.2.1 255.255.255.0
```

```
no shut
```

```
exit
```

```
router rip
```

```
ver 2
```

```
no auto-summary
```

```
network 12.1.1.0
```

```
network 23.1.1.0
```

```
network 192.168.2.0
```

```
do sh run
```

![](/files/-MLpLryYFmbIqXmeMuMc)
{% endtab %}
{% endtabs %}

> ### EIGRP

{% tabs %}
{% tab title="R1" %}

> #### IP

```
int e0/0
```

```
ip addr 12.1.1.1 255.255.255.0
```

```
no shut
```

```
int lo 0
```

```
ip add 192.168.1.1 255.255.255.0
```

```
no shut
```

```
exit
```

> #### router

```
router eigrp 1
```

```
auto-summary
```

```
network 12.1.1.0 0.0.0.255
```

```
network 192.168.1.0 0.0.0.255
```

```
do sh ip ro eigrp
```

![](/files/-MLpYFcyP-1ZezkK6ata)
{% endtab %}

{% tab title="R2" %}

> #### IP

```
int e0/0
```

```
ip add 12.1.1.2 255.255.255.0
```

```
no shut
```

```
int e0/1
```

```
ip add 23.1.1.2 255.255.255.0
```

```
no shut
```

```
exit
```

> #### router

```
router eigrp 1
```

```
auto-summary
```

```
network 12.1.1.0 0.0.0.255
```

```
network 23.1.1.0 0.0.0.255
```

```
do sh ip ro eigrp
```

![](/files/-MLpZi-LExAd4ywbDIVi)
{% endtab %}

{% tab title="R3" %}

> #### IP

```
int e0/0
```

```
ip add 23.1.1.3 255.255.255.0
```

```
no shut
```

```
int lo 0
```

```
ip add 192.168.2.1 255.255.255.0
```

```
no shut
```

```
exit
```

> #### router

```
router eigrp 1
```

```
auto-summary
```

```
network 23.1.1.0 0.0.0.255
```

```
network 192.168.2.0 0.0.0.255
```

```
do sh ip ro eigrp
```

![](/files/-MLp_Wl_GxY4F3wkj3gl)
{% endtab %}
{% endtabs %}

### 結果

![](/files/-MLpTUeCOKf7Y9fiGwRv)

{% tabs %}
{% tab title="RIP" %}
![](/files/-MLpaif_n6YX3zlE3Izi)
{% endtab %}

{% tab title="EIGRP" %}
![](/files/-MLp_x2K88W2AYzCY4Hl)
{% endtab %}
{% endtabs %}

## 第四題

#### &#xD;**使用浮動路由，讓 R1 和 R2 斷線後：h1 --> R1 --> R3 --> R2 --> h2**

![](/files/-MLoz75JkNCLdgvvSD6N)

{% tabs %}
{% tab title="R1" %}

```
int e0/0
```

```
ip add 12.1.1.1 255.255.255.0
```

```
no shut
```

```
int e0/1
```

```
ip add 34.1.1.1 255.255.255.0
```

```
no shut
```

```
int e0/2
```

```
ip add 192.168.1.1 255.255.255.0
```

```
no shut
```

```
exit
```

![](/files/-MLph5EMluPPMStLlU9f)

```
ip route 192.168.2.0 255.255.255.0 e0/0 12.1.1.2
```

```
ip route 192.168.2.0 255.255.255.0 e0/1 34.1.1.3 10
```

![](/files/-MLqVcxW1COHHfCF1l-l)
{% endtab %}

{% tab title="R2" %}

```
int e0/0
```

```
ip add 12.1.1.2 255.255.255.0
```

```
no shut
```

```
int e0/1
```

```
ip add 23.1.1.2 255.255.255.0
```

```
no shut
```

```
int e0/2
```

```
ip add 192.168.2.1 255.255.255.0
```

```
no shut
```

```
exit
```

![](/files/-MLpibk9Z5xmAsm4v7B8)

```
ip route 192.168.1.0 255.255.255.0 e0/0 12.1.1.1
```

```
ip route 192.168.1.0 255.255.255.0 e0/1 23.1.1.2 10
```

![](/files/-MLqVweDSAMwJXgWikGD)
{% endtab %}

{% tab title="R3" %}

```
int e0/0
```

```
ip add 34.1.1.3 255.255.255.0
```

```
no shut
```

```
int e0/1
```

```
ip add 23.1.1.3 255.255.255.0
```

```
no shut
```

```
exit
```

![](/files/-MLpjUtnEZZwsVXJ7LMd)

```
ip route 192.168.1.0 255.255.255.0 e0/1 34.1.1.1
```

```
ip route 192.168.2.0 255.255.255.0 e0/1 23.1.1.2
```

![](/files/-MLqWyaWvABHJOScvAKO)
{% endtab %}

{% tab title="VPC1" %}

```
ip 192.168.1.2 255.255.0.0
```

```
ip 192.168.1.2 255.255.255.0 192.168.1.1
```

```
ping 192.168.2.2
```

{% endtab %}

{% tab title="VPC2" %}

```
ip 192.168.2.2 255.255.0.0
```

```
ip 192.168.2.2 255.255.255.0 192.168.2.1
```

```
ping 192.168.1.2
```

{% endtab %}
{% endtabs %}

### 結果

![](/files/-MLpfa0XomzCWbQKrUcE)

![](/files/-MLqnZvAAnapSzpo3jv-)

![](/files/-MLqnckBnV_QTTL4KPbe)
