接入层交换机与核心交换机两条链路连接应如何配置

2025-03-16 02:36:47
推荐回答(3个)
回答1:

1、首先进入系统视图 system-view 。

2、创建eth-trunk接口,interface Eth-Trunk 1。

3、然后在Eth-Trunk逻辑口上执行undo portswitch命令,把聚合链路从二层转换到三层undo portswitch。

4、将三层接口加入到eth-trunk中nterface GigabitEthernet 0/0/1 eth-trunk 1。

5、检查配置结果display interface eth-trunk 1。

回答2:

两种情况
一台接入交换接和一台核心交换机
只用1根线连,直接设置互联端口为TRUNK,允许你需要的vlan通过,如果接入交换不划vlan的话,核心交换上的互联口就是access接口,归属某一vlan
用两根线就做下链路捆绑,一样的trunk属性

一台接入交换同时连两台核心交换,这时两台核心之间一般是做VRRP或HSRP了,可以实现负载和冗余,接入交换是二层的就要启生成树了,其他配置基本和上面一样

回答3:

通常情况是做链路捆绑,捆绑之后接入层交换机与核心交换的的链路带宽会增加,而且还增加了冗余性,当一条链路故障时,不会影响接入层交换机与核心交换机的通讯。捆绑链路启用Trunk功能,允许需要通过的vlan进行通过。一般不建议让Vlan 1 通过。

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