ensp三層架構實驗
需求:
拓撲圖:
思路:
IP規劃
172.16.2.0/24 vlan1
172.16.3.0/24 vlan2
172.16.0.0/24 骨幹鏈路
(1)首先配置Eth-Trunk
SW1和SW2配置相同
#
interface Eth-Trunk1
#
interface GigabitEthernet0/0/4
eth-trunk 1
#
interface GigabitEthernet0/0/5
eth-trunk 1
(2)劃分vlan,配置trunk
SW1,2,3,4上需要Trunk的地方都需要設置trunk或者hybrid
vlan batch 2
#
interface Eth-Trunk1
port link-type trunk
port trunk allow-pass vlan 2
#
interface GigabitEthernet0/0/2
port hybrid tagged vlan 2
#
interface GigabitEthernet0/0/3
port hybrid tagged vlan 2
#
(3)起mstp協議
#
stp region-configuration
region-name a
instance 1 vlan 1
instance 2 vlan 2
active region-configuration
#
將連接PC的接口設置爲邊緣接口,並且將接口劃入對應VLAN
#
interface GigabitEthernet0/0/3
port link-type access
stp edged-port enable
#
interface GigabitEthernet0/0/4
port link-type access
port default vlan 2
stp edged-port enable
#
(4)SVI
#
interface Vlanif1
ip address 172.16.2.253 255.255.255.0
#
interface Vlanif2
ip address 172.16.3.253 255.255.255.0
(5)VRRP
#
interface Vlanif1
ip address 172.16.2.253 255.255.255.0
vrrp vrid 1 virtual-ip 172.16.2.250
vrrp vrid 1 priority 120
vrrp vrid 1 timer advertise 30
vrrp vrid 1 track interface GigabitEthernet0/0/1 reduced 30
#
interface Vlanif2
ip address 172.16.3.253 255.255.255.0
vrrp vrid 2 virtual-ip 172.16.3.250
#
interface Vlanif1
ip address 172.16.2.254 255.255.255.0
vrrp vrid 1 virtual-ip 172.16.2.250
#
interface Vlanif2
ip address 172.16.3.254 255.255.255.0
vrrp vrid 2 virtual-ip 172.16.3.250
vrrp vrid 2 priority 120
vrrp vrid 2 timer advertise 30
vrrp vrid 2 track interface GigabitEthernet0/0/1 reduced 30
(6)DHCP
全局開啓DHCP
DHCP enable
設置DHCP池塘
#
ip pool v1
gateway-list 172.16.2.250
network 172.16.2.0 mask 255.255.255.0
dns-list 8.8.8.8 114.114.114.114
#
ip pool v2
gateway-list 172.16.3.250
network 172.16.3.0 mask 255.255.255.0
dns-list 8.8.8.8 114.114.114.114
#
在接口開啓DHCP全局模式
#
interface Vlanif1
dhcp select global
#
interface Vlanif2
dhcp select global
(7)配置骨幹鏈路
(8)建立ospf鄰居
SW1
#
ospf 1 router-id 1.1.1.1
silent-interface GigabitEthernet0/0/3
silent-interface GigabitEthernet0/0/2
area 0.0.0.0
network 172.16.0.2 0.0.0.0
area 0.0.0.1
abr-summary 172.16.2.0 255.255.254.0
network 172.16.2.0 0.0.0.255
network 172.16.3.0 0.0.0.255
#
SW2
#
ospf 1
silent-interface GigabitEthernet0/0/3
silent-interface GigabitEthernet0/0/2
area 0.0.0.0
network 172.16.0.6 0.0.0.0
area 0.0.0.1
abr-summary 172.16.2.0 255.255.254.0
network 172.16.2.0 0.0.0.255
network 172.16.3.0 0.0.0.255
#
R1
要與外界接通內部需要缺省,所以由R1下放一條五類缺省
#
ospf 1 router-id 11.11.11.11
default-route-advertise
area 0.0.0.0
network 172.16.0.0 0.0.255.255
#
(9)NAT
邊界路由器設置缺省指向運營商
#
acl number 2000
rule 5 permit source 172.16.0.0 0.0.255.255
#
interface GigabitEthernet0/0/2
ip address 12.1.1.2 255.255.255.0
nat outbound 2000
(10)測試