企業基礎網絡架構規劃及配置實施
一、網絡規劃
出口地址段:202.1.1.0/24
路由器出口:202.1.1.1/24
ISP網關:202.1.1.2/24
互聯地址段 192.168.90.0/24
路由器:192.168.90.1/24
核心交換機:192.168.90.2/24
管理地址段:192.168.100.0/24
核心管理地址:192.168.100.1/24
接入LI-1:192.168.100.11/24
接入LI-2:192.168.100.12/24
接入LI-3:192.168.100.13/24
接入LI-4:192.168.100.14/24
接入LI-5:192.168.100.15/24
接入LI-6:192.168.100.16/24
業務地址段:
LI-1 VLAN10
LI-2 VLAN10
LI-3 VLAN10 網關:192.168.10.1/24
LI-4 VLAN20
LI-5 VLAN20
LI-6 VLAN20 網關:192.168.20.1/24
互聯模式說明:
接入通過trunk上連至核心交換機,核心交換機通過鏈路聚合走上網行爲管理
再往上至路由器。(此處用交換機模擬上網行爲管理,AC一般做二層模式都)。
其實比較流行的模式是IRF+接入雙上行,這樣安全性更好些,避免單點故障。
其實現原理比較簡單,說白了就是核心與接入雙雙做鏈路聚合即可實現。此處
只採用單鏈路模式即可!
DHCP:
一般做了服務器上,核心中繼即可,此處不做過多說明。
二、網絡拓撲
三、配置腳本 (如果初學者並且經驗不夠豐富,建議多動手敲命令)
出口路由器配置:
sysname Out-Router
nat address-group 1
address 202.1.1.1 202.1.1.1
quit
acl advanced 3000
rule 10 permit ip source 192.168.0.0 0.0.255.255
quit
interface GigabitEthernet 0/1
nat outbound 3000 address-group 1
quit
ip route-static 0.0.0.0 0 202.1.1.2
ip route-static 192.168.0.0 16 192.168.90.2
核心交換機配置
sysname Core-1
A機之前已改爲mem 1
irf member 1 priority 32
interface range Ten-GigabitEthernet1/0/49 to Ten-
GigabitEthernet1/0/52
shut
quit
irf-port 1/1
port group interface Ten-GigabitEthernet 1/0/49
port group interface Ten-GigabitEthernet 1/0/50
port group interface Ten-GigabitEthernet 1/0/51
port group interface Ten-GigabitEthernet 1/0/52
quit
irf-port-configuration active
retu
save
B機之前已改爲mem 2
irf member 2 priority 1
interface range Ten-GigabitEthernet2/0/49 to Ten-
GigabitEthernet2/0/52
shut
quit
irf-port 2/2
port group interface Ten-GigabitEthernet 2/0/49
port group interface Ten-GigabitEthernet 2/0/50
port group interface Ten-GigabitEthernet 2/0/51
port group interface Ten-GigabitEthernet 2/0/52
quit
irf-port-configuration active
retu
save
開啓IRF端口連IRF線纜,設備重啓會有相應的提示,重啓圖如下:
AC配置:通過交換機模擬AC的二層模式,基本上就是二層透傳。
vlan 900
quit
interface Bridge-Aggregation1000
port link-type access
port access vlan 900
quit
interface GigabitEthernet1/0/47
port link-type access
port access vlan 900
port link-aggregation group 1000
quit
interface GigabitEthernet1/0/48
port link-type access
port access vlan 900
port link-aggregation group 1000
quit
interface GigabitEthernet1/0/1
port link-type access
port access vlan 900
quit
接入交換機配置:
LI-2-6配置都按如下順延即可,管理地址,放行VLAN
sysname LI-1
vlan 10
quit
vlan 1000
quit
int vl 1000
ip add 192.168.100.11 24
quit
stp global enable
stp mode rstp
lldp global enable
int ran g0/0/1 to g0/0/46
port link-type access
port default vlan 10
stp edged-port enable
quit
int g0/0/48
port link-type trunk
des to-CORE
port trunk allow vlan 10 1000
quit
ip route-static 0.0.0.0 0.0.0.0 192.168.100.1
測試:
在LI-1上去ping 202.1.1.2 ,查看出口路由器NAT命中
測試2、ping的同時在ISP路由器上查看debug ip icmp信息,說明NAT成功。