核心交换机配置基本方法

核心交换机这个词对于我们来说太过于陌生了，但是它在我们的网络生活中起到了非常必要的作用。小兔来简单的做个比喻，我们可以将核心交换机比喻为一个大型的路由器，它可以将网络覆盖到各个电脑，不过它的覆盖范围则是路由器的几百倍甚至几千倍。可以说没有它的存在就没有网络的传播，我们便没有网络的使用，这么神奇的机器就由小兔来讲解它的配置。

System-view一、激活combo端口，启用DHCPinterfaceGigabitEthernet0/0/5undoshutdowninterfaceGigabitEthernet0/0/6undoshutdowninterfaceGigabitEthernet0/0/7undoshutdowninterfaceGigabitEthernet0/0/8undoshutdowndhcpenable

二、建立vlanVlan1防火墙用(端口27-28)Vlan20服务器用(端口15-26)Vlan2-9保持不变(端口5-12)Vlan10-11原Vlan1计算机使用(端口13-14)

Vlan1interfaceVlan-interface1ipaddress10.0.1.1255.255.255.0dhcpselectserverglobal-pool

Vlan2interfaceVlan-interface2ipaddress10.0.2.1255.255.255.0dhcpselectserverglobal-pool

Vlan3interfaceVlan-interface3ipaddress10.0.3.1255.255.255.0dhcpselectserverglobal-pool

Vlan4interfaceVlan-interface4ipaddress10.0.4.1255.255.255.0dhcpselectserverglobal-pool

Vlan5interfaceVlan-interface5ipaddress10.0.5.1255.255.255.0dhcpselectserverglobal-pool

Vlan6interfaceVlan-interface6ipaddress10.0.6.1255.255.255.0dhcpselectserverglobal-pool

Vlan7interfaceVlan-interface7ipaddress10.0.7.1255.255.255.0dhcpselectserverglobal-pool

Vlan8interfaceVlan-interface8ipaddress10.0.8.1255.255.255.0dhcpselectserverglobal-pool

Vlan9interfaceVlan-interface9ipaddress10.0.9.1255.255.255.0dhcpselectserverglobal-pool

Vlan10interfaceVlan-interface10ipaddress10.0.10.1255.255.255.0dhcpselectserverglobal-pool

Vlan11interfaceVlan-interface11ipaddress10.0.11.1255.255.255.0dhcpselectserverglobal-pool

Vlan20interfaceVlan-interface20ipaddress10.0.0.1255.255.255.0dhcpselectserverglobal-pool

三、设定端口所在

vlaninterfaceGigabitEthernet0/0/5portaccessvlan2interfaceGigabitEthernet0/0/6portaccess

vlan3interfaceGigabitEthernet0/0/7portaccess

vlan4interfaceGigabitEthernet0/0/8portaccess

vlan5interfaceGigabitEthernet0/0/9portaccess

vlan6interfaceGigabitEthernet0/0/10portaccess

vlan7interfaceGigabitEthernet0/0/11portaccess

vlan8interfaceGigabitEthernet0/0/12portaccess

vlan9interfaceGigabitEthernet0/0/13portaccess

vlan10interfaceGigabitEthernet0/0/14portaccess

vlan11interfaceGigabitEthernet0/0/15portaccess

vlan20interfaceGigabitEthernet0/0/16portaccess

vlan20interfaceGigabitEthernet0/0/17portaccess

vlan20interfaceGigabitEthernet0/0/18portaccess

vlan20interfaceGigabitEthernet0/0/19portaccess

vlan20interfaceGigabitEthernet0/0/20portaccess

vlan20interfaceGigabitEthernet0/0/21portaccess

vlan20interfaceGigabitEthernet0/0/22portaccess

vlan20interfaceGigabitEthernet0/0/23portaccess

vlan20interfaceGigabitEthernet0/0/24portaccess

vlan20interfaceGigabitEthernet0/0/25portaccess

vlan20interfaceGigabitEthernet0/0/26portaccess

vlan20interfaceGigabitEthernet0/0/27portaccess

vlan1interfaceGigabitEthernet0/0/28portaccess

四、定义地址池

dhcpserverip-poolvlan1network10.0.1.0mask255.255.255.0

gateway-list10.0.1.1

dns-list10.0.0.16domain-name

dfic.netdhcpserverip-pool

vlan2network10.0.2.0

mask255.255.255.0

gateway-list10.0.2.1

dns-list10.0.0.16

domain-namedfic.net

dhcpserverip-pool

vlan3network10.0.3.0

mask255.255.255.0

gateway-list10.0.3.1

五、设置路由

Undoiproute-static0.0.0.00.0.0.010.0.1.1

preference60dhcpserverforbidden-ip10.0.0.1

dhcpserverforbidden-ip10.0.1.1

dhcpserverforbidden-ip10.0.1.25010.0.1.254

dhcpserverforbidden-ip10.0.2.1

dhcpserverforbidden-ip10.0.3.1

dhcpserverforbidden-ip10.0.4.1

dhcpserverforbidden-ip10.0.5.1

dhcpserverforbidden-ip10.0.7.1

dhcpserverforbidden-ip10.0.8.1

dhcpserverforbidden-ip10.0.9.1

dhcpserverforbidden-ip10.0.10.1

dhcpserverforbidden-ip10.0.11.1

听完小兔的介绍之后不知道大家明白没有，核心交换机的配置固然是繁琐的，但是它担任的职责是非常重要的，它负责覆盖一个乡镇甚至一个县城的网络，如果核心交换机出现了故障那我们将无法正常上网，虽然我们大部分人是接触不到核心交换机的，但是了解一下它的配置对于我们自身来说也是在增长知识。