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交换机级联

时间:2018-11-03 01:54:14      阅读:178      评论:0      收藏:0      [点我收藏+]

标签:bat   链路   process   -o   cto   实验   级联   技术分享   img   

一、级联简介
 级联是交换机组网的一种结构,级联技术可以实现两台或两台以上交换机之间的互联,在多种网络中被广泛应用

二、简单实验

实验拓扑:
技术分享图片

1-1,1-2,1-3三台交换机级联至1-3;2-1,2-2两台级联至2-2;1-3和2-2上联至HX,所有网段网关都在HX上。
Server1A:10.3.1.1/24 10.3.1.254 vlan 10
Server1B:10.3.1.2/24 10.3.1.254 vlan10
Server2A:10.3.2.1/24 10.3.2.254 vlan 20
Server2B:10.3.2.2/24 10.3.2.254 vlan 20
Server3A:10.3.3.1/24 10.3.3.254 vlan 30
Server3B:10.3.3.2/24 10.3.3.254 vlan 30

开始配置:

交换机1-1配置:1口级联1-2,2口vlan30
vlan batch 10 20 30
#
interface GigabitEthernet0/0/1
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094
#
interface GigabitEthernet0/0/2
 port link-type access
 port default vlan 30

交换机1-2配置:4口级联1-1,2口级联1-3,1口vlan10,3口vlan20
vlan batch 10 20 30
#
interface GigabitEthernet0/0/1
 port link-type access
 port default vlan 10
#
interface GigabitEthernet0/0/2
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094
#
interface GigabitEthernet0/0/3
 port link-type access
 port default vlan 20
#
interface GigabitEthernet0/0/4
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094

交换机1-3配置:2口级联1-2,3口上联HX,1口vlan20
vlan batch 10 20 30
#
interface GigabitEthernet0/0/1
 port link-type access
 port default vlan 20
#
interface GigabitEthernet0/0/2
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094
#
interface GigabitEthernet0/0/3
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094

交换机2-2配置:1口上联HX,2口级联2-1
vlan batch 10 20 30
#
interface GigabitEthernet0/0/1
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094
#
interface GigabitEthernet0/0/2
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094

交换机2-1配置:1口级联2-2,2口vlan10
vlan batch 10 20 30
#
interface GigabitEthernet0/0/1
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094
#
interface GigabitEthernet0/0/2
 port link-type access
 port default vlan 10

HX配置:2口Trunk至1-3,3口Trunk至2-2,3类server的网关配置,1口vlan30
vlan batch 10 20 30
#
interface Vlanif1
#
interface Vlanif10
 ip address 10.3.1.254 255.255.255.0
#
interface Vlanif20
 ip address 10.3.2.254 255.255.255.0
#
interface Vlanif30
 ip address 10.3.3.254 255.255.255.0
#
interface MEth0/0/1
#
interface GigabitEthernet0/0/1
 port link-type access
 port default vlan 30
#
interface GigabitEthernet0/0/2
 port link-type trunk
 port trunk allow-pass vlan 2 to 4094

三、小结

1、trunk链路允许所有vlan通过,但级联的交换机需起相应vlan
2、vlan间通信依靠HX(三层交换)的直连路由

交换机级联

标签:bat   链路   process   -o   cto   实验   级联   技术分享   img   

原文地址:http://blog.51cto.com/jiayimeng/2312433

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