一、企业A内网配置思路
1、配置IP地址
2、配置vlan技术
(1)创建vlan
(2)将接口加到相应vlan
(3)配置trunk链路,放行相应vlan
(4)配置单臂路由子接口
3、配置DHCP技术
(1)启动DHCP服务
(2)创建地址池
(3)在网关接口下发DHCP服务,是的PC获得IP地址
4、配置OSPF协议
(1)创建OSPF的协议进程,配置RID
(2)进入相应的area,network网段(接口地址)
(3)查看OSPF的邻居表、路由表。做全网通测试---ping测试
5、配置OSPF的区域汇总--ABR汇总,精简路由表的路由条目数量。
6、配置静态路由空接口防环
7、配置OPSF区域0的认证
8、配置easy ip 实现内网访问外网
9、让OSPF协议下发缺省,给内网路由器,保证内网设备访问外网
10、配置telnet服务器,配置NAT SERVER实现外网访问内网的服务
11、配置基础ACL和高级ACL实现访问控制
二、企业B内网配置思路
1、配置IP地址
2、配置vlan技术
3、配置DHCP技术,使得PC获得IP地址
4、配置静态路由协议,使得全网通(PING)
5、配置静态路由空接口防环
6、配置静态缺省保证内网设备访问
7、配置静态浮动路由,实现正常走千兆,千兆故障时,走百兆
三、公网通
1、配置IP地址
 1、配置IP地址
 
(1)路由器接口IP配置(R1、R2、R3、telnet-server

<R1> system-view
[R1] sysname R1
[R1] interface GigabitEthernet 0/0/0
[R1-GigabitEthernet0/0/0] undo shutdown
[R1-GigabitEthernet0/0/0] quit
[R1] interface GigabitEthernet 0/0/1
[R1-GigabitEthernet0/0/1] ip address 172.16.67.1 255.255.255.0
[R1-GigabitEthernet0/0/1] undo shutdown
[R1-GigabitEthernet0/0/1] quit


<R2> system-view
[R2] sysname R2
[R2] interface GigabitEthernet 0/0/0
[R2-GigabitEthernet0/0/0] ip address 172.16.67.2 255.255.255.0
[R2-GigabitEthernet0/0/0] undo shutdown
[R2-GigabitEthernet0/0/0] quit
[R2] interface GigabitEthernet 0/0/1
[R2-GigabitEthernet0/0/1] undo shutdown
[R2-GigabitEthernet0/0/1] quit
[R2] interface GigabitEthernet 0/0/2
[R2-GigabitEthernet0/0/2] ip address 172.16.2.1 255.255.255.0
[R2-GigabitEthernet0/0/2] undo shutdown
[R2-GigabitEthernet0/0/2] quit

<R3> system-view
[R3] sysname R3
[R3] interface GigabitEthernet 0/0/0
[R3-GigabitEthernet0/0/0] ip address 172.16.2.2 255.255.255.0
[R3-GigabitEthernet0/0/0] undo shutdown
[R3-GigabitEthernet0/0/0] quit
[R3] interface GigabitEthernet 0/0/1
[R3-GigabitEthernet0/0/1] ip address 172.16.129.1 255.255.255.0
[R3-GigabitEthernet0/0/1] undo shutdown
[R3-GigabitEthernet0/0/1] quit
[R3] interface Ethernet 4/0/0
[R3-Ethernet4/0/0] ip address 172.16.130.1 255.255.255.0
[R3-Ethernet4/0/0] undo shutdown
[R3-Ethernet4/0/0] quit
[R3] interface GigabitEthernet 0/0/2
[R3-GigabitEthernet0/0/2] ip address 100.0.0.1 255.255.255.0
[R3-GigabitEthernet0/0/2] undo shutdown
[R3-GigabitEthernet0/0/2] quit
<telnet-server> system-view
[telnet-server] sysname telnet-server
[telnet-server] interface GigabitEthernet 0/0/0
[telnet-server-GigabitEthernet0/0/0] ip address 172.16.65.253 255.255.255.0
[telnet-server-GigabitEthernet0/0/0] undo shutdown
[telnet-server-GigabitEthernet0/0/0] quit
[telnet-server] ip route-static 0.0.0.0 0.0.0.0 172.16.65.254


Great Life 20:57:48
2、配置VLAN技术(严格按你给的4小步)
 
(1)创建VLAN

(2)将接口加到相应VLAN

(3)配置Trunk链路,放行相应VLAN

(4)配置单臂路由子接口

# ========== SW1 接入接口配置 ==========
 # 连接PC1的接口加入vlan10
 [SW1] interface Ethernet 0/0/1
 [SW1-Ethernet0/0/1] port link-type access
 [SW1-Ethernet0/0/1] port default vlan 10
 [SW1-Ethernet0/0/1] undo shutdown
 [SW1-Ethernet0/0/1] quit
 # 连接PC2的接口加入vlan20
 [SW1] interface Ethernet 0/0/2
 [SW1-Ethernet0/0/2] port link-type access
 [SW1-Ethernet0/0/2] port default vlan 20
 [SW1-Ethernet0/0/2] undo shutdown
 [SW1-Ethernet0/0/2] quit
 # 连接telnet-server的接口加入vlan20
 [SW1] interface Ethernet 0/0/3
 [SW1-Ethernet0/0/3] port link-type access
 [SW1-Ethernet0/0/3] port default vlan 20
 [SW1-Ethernet0/0/3] undo shutdown
 [SW1-Ethernet0/0/3] quit
 # ========== SW2 接入接口配置 ==========
 # 连接PC3的接口加入vlan40
 [SW2] interface Ethernet 0/0/1
 [SW2-Ethernet0/0/1] port link-type access
 [SW2-Ethernet0/0/1] port default vlan 40
 [SW2-Ethernet0/0/1] undo shutdown
 [SW2-Ethernet0/0/1] quit
 # 连接PC4的接口加入vlan40
 [SW2] interface Ethernet 0/0/2
 [SW2-Ethernet0/0/2] port link-type access
 [SW2-Ethernet0/0/2] port default vlan 40
 [SW2-Ethernet0/0/2] undo shutdown
 [SW2-Ethernet0/0/2] quit

# ========== SW1 上行Trunk(连接R1) ==========
 [SW1] interface GigabitEthernet 0/0/1
 [SW1-GigabitEthernet0/0/1] port link-type trunk
 [SW1-GigabitEthernet0/0/1] port trunk allow-pass vlan 10 20  # 放行vlan10、20
 [SW1-GigabitEthernet0/0/1] undo shutdown
 [SW1-GigabitEthernet0/0/1] quit
 # ========== SW2 上行Trunk(连接R2) ==========
 [SW2] interface GigabitEthernet 0/0/1
 [SW2-GigabitEthernet0/0/1] port link-type trunk
 [SW2-GigabitEthernet0/0/1] port trunk allow-pass vlan 40  # 放行vlan40
 [SW2-GigabitEthernet0/0/1] undo shutdown
 [SW2-GigabitEthernet0/0/1] quit
# ========== R1 子接口配置(vlan10、vlan20网关) ==========
 # vlan10子接口
 [R1] interface GigabitEthernet 0/0/0.10
 [R1-GigabitEthernet0/0/0.10] dot1q termination vid 10  # 封装vlan10标签
 [R1-GigabitEthernet0/0/0.10] ip address 172.16.64.254 255.255.255.0  # vlan10网关
 [R1-GigabitEthernet0/0/0.10] arp broadcast enable  # 开启ARP广播,PC才能通信
 [R1-GigabitEthernet0/0/0.10] quit
 # vlan20子接口
 [R1] interface GigabitEthernet 0/0/0.20
 [R1-GigabitEthernet0/0/0.20] dot1q termination vid 20
 [R1-GigabitEthernet0/0/0.20] ip address 172.16.65.254 255.255.255.0  # vlan20网关
 [R1-GigabitEthernet0/0/0.20] arp broadcast enable
 [R1-GigabitEthernet0/0/0.20] quit
 # ========== R2 子接口配置(vlan40网关) ==========
 [R2] interface GigabitEthernet 0/0/1.40
 [R2-GigabitEthernet0/0/1.40] dot1q termination vid 40
 [R2-GigabitEthernet0/0/1.40] ip address 172.16.0.254 255.255.255.0  # vlan40网关
 [R2-GigabitEthernet0/0/1.40] arp broadcast enable
 [R2-GigabitEthernet0/0/1.40] quit

3、配置DHCP技术)
 
(1)启动DHCP服务
(2)创建地址池
(3)在网关接口下发DHCP服务

# ========== R1 开启DHCP ==========
 [R1] dhcp enable
 # ========== R2 开启DHCP ==========
 [R2] dhcp enable
# ========== R1 创建vlan10、vlan20地址池 ==========
 # vlan10地址池
 [R1] ip pool vlan10
 [R1-ip-pool-vlan10] network 172.16.64.0 mask 255.255.255.0
 [R1-ip-pool-vlan10] gateway-list 172.16.64.254
 [R1-ip-pool-vlan10] dns-list 8.8.8.8 114.114.114.114
 [R1-ip-pool-vlan10] lease day 0 hour 2 minute 0
 [R1-ip-pool-vlan10] quit
 # vlan20地址池
 [R1] ip pool vlan20
 [R1-ip-pool-vlan20] network 172.16.65.0 mask 255.255.255.0
 [R1-ip-pool-vlan20] gateway-list 172.16.65.254
 [R1-ip-pool-vlan20] dns-list 8.8.8.8 114.114.114.114
 [R1-ip-pool-vlan20] lease day 0 hour 2 minute 0
 [R1-ip-pool-vlan20] quit
 # ========== R2 创建vlan40地址池 ==========
 [R2] ip pool vlan40
 [R2-ip-pool-vlan40] network 172.16.0.0 mask 255.255.255.0
 [R2-ip-pool-vlan40] gateway-list 172.16.0.254
 [R2-ip-pool-vlan40] dns-list 8.8.8.8 114.114.114.114
 [R2-ip-pool-vlan40] lease day 0 hour 2 minute 0
 [R2-ip-pool-vlan40] quit
# ========== R1 子接口开启DHCP ==========
 [R1] interface GigabitEthernet 0/0/0.10
 [R1-GigabitEthernet0/0/0.10] dhcp select global  # 调用全局地址池
 [R1-GigabitEthernet0/0/0.10] quit
 [R1] interface GigabitEthernet 0/0/0.20
 [R1-GigabitEthernet0/0/0.20] dhcp select global
 [R1-GigabitEthernet0/0/0.20] quit
 # ========== R2 子接口开启DHCP ==========
 [R2] interface GigabitEthernet 0/0/1.40
 [R2-GigabitEthernet0/0/1.40] dhcp select global
 [R2-GigabitEthernet0/0/1.40] quit

4、配置OSPF协议
 
(1)创建OSPF的协议进程,配置RID
(2)进入相应的area,network网段
(3)查看OSPF邻居表、路由表,做全网通ping测试

5、配置OSPF的区域汇总--ABR汇总
6、配置静态路由空接口防环
[R2] ospf 1
 [R2-ospf-1] area 1
 [R2-ospf-1-area-0.0.0.1] abr-summary 172.16.64.0 255.255.192.0  # /18掩码
 [R2-ospf-1-area-0.0.0.1] quit
 [R2-ospf-1] quit
[R2] ip route-static 172.16.64.0 255.255.192.0 NULL 0
7、配置OSPF区域0的认证
# ========== R2 配置 ==========
 [R2] ospf 1
 [R2-ospf-1] area 0
 [R2-ospf-1-area-0.0.0.0] authentication-mode simple cipher Huawei@123
 [R2-ospf-1-area-0.0.0.0] quit
 [R2-ospf-1] quit
 # ========== R3 配置(密码必须一致) ==========
 [R3] ospf 1
 [R3-ospf-1] area 0
 [R3-ospf-1-area-0.0.0.0] authentication-mode simple cipher Huawei@123
 [R3-ospf-1-area-0.0.0.0] quit
 [R3-ospf-1] quit
8、配置Easy IP实现内网访问外网
# 1. 配置基础ACL,匹配企业A+B内网所有网段
[R3] acl number 2000
[R3-acl-basic-2000] rule permit source 172.16.0.0 0.0.255.255
[R3-acl-basic-2000] quit

# 2. 在公网接口配置Easy IP NAT
[R3] interface GigabitEthernet 0/0/2
[R3-GigabitEthernet0/0/2] nat outbound 2000  # 用公网接口IP做地址转换
[R3-GigabitEthernet0/0/2] quit
11、配置基础ACL和高级ACL实现访问控制
 
(1)基础ACL示例(限制vlan10访问vlan20)
[R1] acl number 2001
 [R1-acl-basic-2001] rule deny source 172.16.64.0 0.0.0.255
 [R1-acl-basic-2001] rule permit source any
 [R1-acl-basic-2001] quit
 [R1] interface GigabitEthernet 0/0/0.10
 [R1-GigabitEthernet0/0/0.10] packet-filter acl 2001 inbound
 [R1-GigabitEthernet0/0/0.10] quit
(2)高级ACL示例(限制PC1访问外网HTTP,允许其他)
[R3] acl number 3000
[R3-acl-adv-3000] rule deny tcp source 172.16.64.1 0 destination-port eq 80
[R3-acl-adv-3000] rule permit ip source any
[R3-acl-adv-3000] quit
[R3] interface GigabitEthernet 0/0/0
[R3-GigabitEthernet0/0/0] packet-filter acl 3000 inbound
[R3-GigabitEthernet0/0/0] quit

全网配置静态路由

[r3]ip route-static 172.16.131.0 24 172.16.129.2
[r3]ip route-static 172.16.132.0 24 172.16.129.2
[r3]ip route-static 172.16.133.0 24 172.16.129.2
[r3]ip route-static 172.16.134.0 24 172.16.129.2
[r3]ip route-static 172.16.128.0 25 172.16.129.2
[r3]ip route-static 172.16.128.128 25 172.16.129.2
[r3]ip route-static 172.16.128.128 25 172.16.130.2

[r3]ip route-static 172.16.128.0 25 172.16.130.2

[r3]ip route-static 172.16.131.0 24 172.16.130.2

[r3]ip route-static 172.16.132.0 24 172.16.130.2

[r3]ip route-static 172.16.133.0 24 172.16.130.2

[r3]ip route-static 172.16.134.0 24 172.16.130.2

[r3]ip route-static 172.16.134.0 24 172.16.130.2

[r4]ip route-static 172.16.133.0 24 172.16.131.2
[r4]ip route-static 172.16.128.0 25 172.16.131.2
[r4]ip route-static 172.16.128.128 25 172.16.131.2

[r5]ip route-static 172.16.129.0 24 172.16.131.1

[r5]ip route-static 172.16.130.0 24 172.16.131.1

[r5]ip route-static 172.16.132.0 24 172.16.131.1

[r5]ip route-static 172.16.134.0 24 172.16.133.2
[r5]ip route-static 172.16.128.0 25 172.16.133.2
[r5]ip route-static 172.16.128.128 25 172.16.133.2
[r6]ip route-static 172.16.129.0 24 172.16.132.1
[r6]ip route-static 172.16.130.0 24 172.16.132.1
[r6]ip route-static 172.16.131.0 24 172.16.132.1
[r6]ip route-static 172.16.133.0 24 172.16.134.2
[r6]ip route-static 172.16.128.0 25 172.16.134.2
[r6]ip route-static 172.16.128.128 25 172.16.134.2
 

[r7]ip route-static 172.16.131.0 24 172.16.133.1
[r7]ip route-static 172.16.129.0 24 172.16.133.1
[r7]ip route-static 172.16.130.0 24 172.16.133.1
[r7]ip route-static 172.16.132.0 24 172.16.134.1
[r7]ip route-static 172.16.130.0 24 172.16.134.1
[r7]ip route-static 172.16.129.0 24 172.16.134.1
 

配置静态路由空接口防环 [r3]ip route-static 172.16.128.0 24 172.16.130.2 [r4]ip route-static 172.16.128.0 24 172.16.132.2
[r4]ip route-static 172.16.128.0 24 172.16.131.2
[r5]ip route-static 172.16.128.0 24 172.16.133.2
[r6]ip route-static 172.16.128.0 24 172.16.134.2 [r7]ip route-static 172.16.128.0 24 NULL 0 6.配置浮动静态路由 [r3]ip route-static 172.16.131.0 24 172.16.130.2 preference 100 [r3]ip route-static 172.16.132.0 24 172.16.130.2 preference 100 [r3]ip route-static 172.16.133.0 24 172.16.130.2 preference 100 [r3]ip route-static 172.16.134.0 24 172.16.130.2 preference 100 [r3]ip route-static 172.16.128.0 25 172.16.130.2 preference 100 [r3]ip route-static 172.16.128.128 25 172.16.130.2 preference 100

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