CCNP-----企业网三层架构——BCMSN

 

企业网三层架构——BCMSN 

---

BCMSN—-企业网三层架构

 网段划分：vlan2 172.16.1.0/25     vlan3 172.16.1.128/25

                      ISP及其他路由器地址如图。

配置

R1

Current configuration : 1064 bytes
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname r1

no ip cef
no ipv6 cef

spanning-tree mode pvst

interface FastEthernet0/0
 ip address 12.1.1.1 255.255.255.0
 ip nat outside
 duplex auto
 speed auto
interface FastEthernet0/1
 ip address 172.16.0.1 255.255.255.252
 ip nat inside
 duplex auto
 speed auto
interface FastEthernet1/0
 ip address 172.16.0.5 255.255.255.252
 ip nat inside
 duplex auto
 speed auto
interface FastEthernet1/1
 no ip address
 duplex auto
 speed auto
 shutdown
!
interface Vlan1
 no ip address
 shutdown
!
router eigrp 90
 redistribute static 
 network 172.16.0.0
 no auto-summary
!
ip nat inside source list 1 interface FastEthernet0/0 overload
ip nat inside source static tcp 172.16.2.3 80 12.1.1.1 80 
ip classless
ip route 0.0.0.0 0.0.0.0 12.1.1.2 
!
ip flow-export version 9
!
!
access-list 1 permit 172.16.0.0 0.0.255.255
!

line con 0
!
line aux 0
!
line vty 0 4
 login

end

ISP配置

isp#show running-config 
Building configuration...

Current configuration : 619 bytes
!
version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname isp
!
!
!
!
!
!
ip cef
no ipv6 cef
!
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface Loopback0
 ip address 1.1.1.1 255.255.255.0
!
interface FastEthernet0/0
 ip address 12.1.1.2 255.255.255.0
 duplex auto
 speed auto
!
interface FastEthernet0/1
 ip address 2.2.2.1 255.255.255.0
 duplex auto
 speed auto
!
interface Vlan1
 no ip address
 shutdown
!
ip classless
!
ip flow-export version 9
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
 login
!
!
!
end

Multilayer Switch0配置

sw1#SHOW RUnning-config 
Building configuration...

Current configuration : 2477 bytes
!
version 12.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname sw1
!
!
!
!
!
ip dhcp pool v2
 network 172.16.1.0 255.255.255.128
 default-router 172.16.1.126
 dns-server 114.114.114.114
ip dhcp pool v3
 network 172.16.1.128 255.255.255.128
 default-router 172.16.1.254
 dns-server 114.114.114.114
ip routing
!
!
!
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
spanning-tree vlan 1-2 priority 24576
spanning-tree vlan 3 priority 28672
!
!
!
!
!
!
interface Port-channel 1
 switchport trunk encapsulation dot1q
 switchport mode trunk
!
interface FastEthernet0/1
!
interface FastEthernet0/2
 switchport trunk native vlan 2
!
interface FastEthernet0/3
 switchport trunk native vlan 3
!
interface FastEthernet0/4
 no switchport
 ip address 172.16.2.1 255.255.255.0
 duplex auto
 speed auto
 standby version 2
 standby 1 ip 172.16.2.254
 standby 1 priority 101
 standby 1 preempt
 standby 1 track FastEthernet0/24


 no switchport
 ip address 172.16.0.2 255.255.255.252
 ip summary-address eigrp 90 172.16.0.0 255.255.252.0 5
 duplex auto
 speed auto
!
interface GigabitEthernet0/1
 channel-group 1 mode on
 switchport trunk encapsulation dot1q
 switchport mode trunk
!
interface GigabitEthernet0/2
 channel-group 1 mode on
 switchport trunk encapsulation dot1q
 switchport mode trunk
!
interface Vlan1
 no ip address
 shutdown
!
interface Vlan2
 ip address 172.16.1.1 255.255.255.128
 standby version 2
 standby 1 ip 172.16.1.126
 standby 1 priority 101
 standby 1 preempt
 standby 1 track FastEthernet0/24
!
interface Vlan3
 ip address 172.16.1.129 255.255.255.128
 standby version 2
 standby 1 ip 172.16.1.254
 standby 1 preempt
 standby 1 track FastEthernet0/24
!
router eigrp 90
 network 172.16.0.0
 no auto-summary
!
ip classless
!
ip flow-export version 9
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
 login
!
!
!
end

Multilayer Switch1配置

sw2#show running-config 
Building configuration...

Current configuration : 2441 bytes
!
version 12.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname sw2
!
!
!
!
!
ip dhcp pool v2
 network 172.16.1.0 255.255.255.128
 default-router 172.16.1.126
 dns-server 114.114.114.114
ip dhcp pool v3
 network 172.16.1.128 255.255.255.128
 default-router 172.16.1.254
 dns-server 114.114.114.114
ip routing
!
!
!
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
spanning-tree vlan 3 priority 24576
spanning-tree vlan 1-2 priority 28672
!
!
!
!
!
!
interface Port-channel 1
 switchport trunk encapsulation dot1q
 switchport mode trunk
!
interface FastEthernet0/1
!
interface FastEthernet0/2
 switchport trunk native vlan 2
!
interface FastEthernet0/3
 switchport trunk native vlan 3
!
interface FastEthernet0/4
 no switchport
 ip address 172.16.2.2 255.255.255.0
 duplex auto
 speed auto
 standby version 2
 standby 1 ip 
 standby 1 preempt
 standby 1 track FastEthernet0/24
!
interface FastEthernet0/5
!
interface FastEthernet0/6
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
!
interface FastEthernet0/12
!
interface FastEthernet0/13
!
interface FastEthernet0/14
!
interface FastEthernet0/15
!
interface FastEthernet0/16
!
interface FastEthernet0/17
!
interface FastEthernet0/18
!
interface FastEthernet0/19
!
interface FastEthernet0/20
!
interface FastEthernet0/21
!
interface FastEthernet0/22
!
interface FastEthernet0/23
!
interface FastEthernet0/24
 no switchport
 ip address 172.16.0.6 255.255.255.252
 ip summary-address eigrp 90 172.16.0.0 255.255.252.0 5
 duplex auto
 speed auto
!
interface GigabitEthernet0/1
 channel-group 1 mode on
 switchport trunk encapsulation dot1q
 switchport mode trunk
!
interface GigabitEthernet0/2
 channel-group 1 mode on
 switchport trunk encapsulation dot1q
 switchport mode trunk
!
interface Vlan1
 no ip address
 shutdown
!
interface Vlan2
 ip address 172.16.1.2 255.255.255.128
 standby version 2
 standby 1 ip 172.16.1.126
 standby 1 preempt
 standby 1 track FastEthernet0/24
!
interface Vlan3
 ip address 172.16.1.130 255.255.255.128
 standby version 2
 standby 1 ip 172.16.1.254
 standby 1 priority 101
 standby 1 preempt
 standby 1 track FastEthernet0/24
!
router eigrp 90
 network 172.16.0.0
 no auto-summary
!
ip classless
!
ip flow-export version 9
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
 login
!
!
!
end

switch0 

sw3#show running-config 
Building configuration...

Current configuration : 1258 bytes
!
version 12.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname sw3
!
!
!
!
!
spanning-tree mode pvst
!
interface FastEthernet0/1
 switchport access vlan 2
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/2
 switchport access vlan 3
 switchport mode access
 spanning-tree portfast
!
interface FastEthernet0/3
!
interface FastEthernet0/4
!
interface FastEthernet0/5
!
interface FastEthernet0/6
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
!
interface FastEthernet0/12
!
interface FastEthernet0/13
!
interface FastEthernet0/14
!
interface FastEthernet0/15
!
interface FastEthernet0/16
!
interface FastEthernet0/17
!
interface FastEthernet0/18
!
interface FastEthernet0/19
!
interface FastEthernet0/20
!
interface FastEthernet0/21
!
interface FastEthernet0/22
!
interface FastEthernet0/23
 switchport mode dynamic desirable
!
interface FastEthernet0/24
 switchport mode dynamic desirable
!
interface GigabitEthernet0/1
!
interface GigabitEthernet0/2
!
interface Vlan1
 no ip address
 shutdown
!
!
!
!
line con 0
!
line vty 0 4
 login
line vty 5 15
 login
!
!
end

switch 1 switch2 配置与switch0 配置相同。

2960交换机配置

Switch#show running-config 
Building configuration...

Current configuration : 1043 bytes
!
version 12.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Switch
!
!
!
!
!
spanning-tree mode pvst
!
interface FastEthernet0/1
!
interface FastEthernet0/2
!
interface FastEthernet0/3
!
interface FastEthernet0/4
!
interface FastEthernet0/5
!
interface FastEthernet0/6
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
!
interface FastEthernet0/12
!
interface FastEthernet0/13
!
interface FastEthernet0/14
!
interface FastEthernet0/15
!
interface FastEthernet0/16
!
interface FastEthernet0/17
!
interface FastEthernet0/18
!
interface FastEthernet0/19
!
interface FastEthernet0/20
!
interface FastEthernet0/21
!
interface FastEthernet0/22
!
interface FastEthernet0/23
!
interface FastEthernet0/24
!
interface GigabitEthernet0/1
!
interface GigabitEthernet0/2
!
interface Vlan1
 no ip address
 shutdown
!
!
!
!
line con 0
!
line vty 0 4
 login
line vty 5 15
 login
!
!
end

2960 （直连isp）

Switch#SHOW RUNning-config 
Building configuration...

Current configuration : 1043 bytes
!
version 12.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname Switch
!
!
!
!
!
spanning-tree mode pvst
!
interface FastEthernet0/1
!
interface FastEthernet0/2
!
interface FastEthernet0/3
!
interface FastEthernet0/4
!
interface FastEthernet0/5
!
interface FastEthernet0/6
!
interface FastEthernet0/7
!
interface FastEthernet0/8
!
interface FastEthernet0/9
!
interface FastEthernet0/10
!
interface FastEthernet0/11
!
interface FastEthernet0/12
!
interface FastEthernet0/13
!
interface FastEthernet0/14
!
interface FastEthernet0/15
!
interface FastEthernet0/16
!
interface FastEthernet0/17
!
interface FastEthernet0/18
!
interface FastEthernet0/19
!
interface FastEthernet0/20
!
interface FastEthernet0/21
!
interface FastEthernet0/22
!
interface FastEthernet0/23
!
interface FastEthernet0/24
!
interface GigabitEthernet0/1
!
interface GigabitEthernet0/2
!
interface Vlan1
 no ip address
 shutdown
!
!
!
!
line con 0
!
line vty 0 4
 login
line vty 5 15
 login
!
!
end