S5700的Eth-Trunk端口汇聚及Trunk删除

S5700的Eth-Trunk端口汇聚

链路汇聚和端口汇聚,就是端口聚合,交换机的堆叠是堆叠和端口聚合无关。

端口聚合概念:(包括二层端口聚合和三层端口聚合)

1.端口聚合IEEE标准是将最多16条链路聚合成一个逻辑的链路。其中只有8条可以使用,

  其余8条作为备份。

2.做聚合的端口配置,物理介质性质(双工模式,接口带宽等等)必须一样

3.端口聚合可以提高带宽,但是不是物理上的提高,而是基于负载均衡的提高

4.做端口聚合的端口只能以2的倍数个链路做聚合,即只能2、4、6、8条链路做聚合,

不能是奇数链路做聚合

Eth-Trunk简单端口汇聚:(本地负载均衡)

S5700的Eth-Trunk端口汇聚及Trunk删除_第1张图片

SW1:

[SW1]interface Eth-Trunk 1   #建立汇聚端口1

[SW1-Eth-Trunk1]port link-type access  #更改端口为访问端口,如果下面是两台交换机,则需要更改为port link-type trunk模式。

[SW1-Eth-Trunk1]mode manual load-balance  #添加手动本地负载模式

[SW1-Eth-Trunk1]quit

[SW1]interface GigabitEthernet 0/0/1

[SW1-GigabitEthernet0/0/1]eth-trunk1  #将端口0/0/1加入eth-trunk1

[SW1]interface GigabitEthernet 0/0/2

[SW1-GigabitEthernet0/0/2]eth-trunk1  #将端口0/0/2加入eth-trunk1

[SW1]interface vlan 1

[SW1-Vlanif1]ip address 192.168.1.254255.255.255.0

[SW1-Vlanif1]quit

 

SW2:

[SW2]interface vlan 1

[SW2-Vlanif1]ip add 

[SW2-Vlanif1]ip address 192.168.1.1255.255.255.0

[SW2-Vlanif1]quit

通过抓包验证时如果断开GigabitEthernet 0/0/1接口下连线的情况下,会自动切换到GigabitEthernet 0/0/2端口下进行通信。


删除端口下trunk的正确方法:

(因为端口默认是在vlan1的,如果删除了全部,端口就没有默认vlan1的配置了,需要重新加回来,才可以继续下一步的删除。)

[SWH1]interfaceGigabitEthernet 0/0/2

[SWH1-GigabitEthernet0/0/2]undoport trunk allow-pass vlan all

[SWH1-GigabitEthernet0/0/2]porttrunk allow-pass vlan 1

[SWH1-GigabitEthernet0/0/2]undoport link-type

[SWH1-GigabitEthernet0/0/2]quit

 

Eth-Trunk不同或者相同的vlan间互通:

S5700的Eth-Trunk端口汇聚及Trunk删除_第2张图片

准备:

192.168.10.23/24

192.168.20.99/24

192.168.30.45/24    Gateway:192.168.X.1/24

这三台电脑都为测试使用,其实直接用交换进行ping也可以进行测试,纯属个人习惯。

VLAN: 10 20 30

Vlanif10:192.168.10.254/24

Vlanif20:192.168.20.254/24

Vlanif30:192.168.30.254/24

配置:

SWH1:

[SWH1]vlan batch 10 20 30

[SWH1]interface vlan 10

[SWH1-Vlanif10]ip address192.168.10.254 24

[SWH1-Vlanif10]ip address 192.168.20.254 24

[SWH1-Vlanif10]ip address 192.168.30.254 24

[SWH1-Vlanif10]quit

[SWH1]interface Eth-Trunk 1

[SWH1-Eth-Trunk1]port link-type trunk

[SWH1-Eth-Trunk1]port trunk allow-pass vlanall

[SWH1-Eth-Trunk1]mode manual load-balance

[SWH1-Eth-Trunk1]trunkport GigabitEthernet 0/0/1

[SWH1-Eth-Trunk1]trunkport GigabitEthernet 0/0/4

[SWH1]interface vlan 20

[SWH1-Vlanif20]ip address 192.168.20.254 24

[SWH1]interface Eth-Trunk 2

[SWH1-Eth-Trunk2]port link-type trunk

[SWH1-Eth-Trunk2]port trunk allow-pass vlanall

[SWH1-Eth-Trunk2]mode manual load-balance

[SWH1-Eth-Trunk2]trunkport GigabitEthernet 0/0/2

[SWH1-Eth-Trunk2]trunkport GigabitEthernet 0/0/5

[SWH1]interface vlan 30

[SWH1-Vlanif30]ip address 192.168.30.254 24

[SWH1]interface Eth-Trunk 3

[SWH1-Eth-Trunk3]port link-type trunk

[SWH1-Eth-Trunk3]port trunk allow-pass vlanall

[SWH1-Eth-Trunk3]mode manual load-balance

[SWH1-Eth-Trunk3]trunkport GigabitEthernet 0/0/3

[SWH1-Eth-Trunk3]trunkport GigabitEthernet 0/0/6

[SWH1]interface GigabitEthernet 0/0/24

[SWH1-GigabitEthernet0/0/24]port link-type access

[SWH1-GigabitEthernet0/0/24]port default vlan 10

[SWH1-GigabitEthernet0/0/24]quit

SWH4:

[SWH4]vlan batch 10 20 30

[SWH4]interface Ethernet 0/0/22

[SWH4-Ethernet0/0/22]port link-type access

[SWH4-Ethernet0/0/22]port default vlan 20

[SWH4-Ethernet0/0/22]quit

[SWH4]interface vlan 20

[SWH4-Vlanif20]ip address192.168.20.1 255.255.255.0

[SWH4-Vlanif20]quit

[SWH4]interface Eth-Trunk 2

[SWH4-Eth-Trunk2]trunkport GigabitEthernet0/0/1

[SWH4-Eth-Trunk2]trunkport GigabitEthernet0/0/2

[SWH4-Eth-Trunk2]port link-type trunk

[SWH4-Eth-Trunk2]port trunk allow-pass vlanall

[SWH4-Eth-Trunk2]mode manual load-balance

[SWH4-Eth-Trunk2]quit

[SWH4]iproute-static 192.168.10.0 24 192.168.20.254

[SWH4]iproute-static 192.168.30.0 24 192.168.20.254

SWH5:

跟SWH4的配置是一样的,就是最后的静态路由改变了。

[SWH5]vlan batch 10 20 30

[SWH5]interface Eth-Trunk 3

[SWH5-Eth-Trunk3]trunkport GigabitEthernet0/0/1

[SWH5-Eth-Trunk3]trunkport GigabitEthernet0/0/2

[SWH5-Eth-Trunk3]port link-type trunk

[SWH5-Eth-Trunk3]port trunk allow-pass vlanall

[SWH5-Eth-Trunk3]mode manual load-balance

[SWH5-Eth-Trunk3]quit

[SWH5]interface vlan 30

[SWH5-Vlanif30]ip address 192.168.30.1 255.255.255.0

[SWH5-Vlanif30]quit

[SWH5]ip route-static192.168.10.0 24 192.168.30.254

[SWH5]ip route-static 192.168.20.0 24192.168.30.254

SWH3:

跟SWH4的配置是一样的,就是最后的静态路由改变了。

[SWH3]vlan batch 10 20 30

[SWH3]interface Eth-Trunk 1

[SWH3-Eth-Trunk1]trunkport GigabitEthernet0/0/1

[SWH3-Eth-Trunk1]trunkport GigabitEthernet0/0/2

[SWH3-Eth-Trunk1]port link-type trunk

[SWH3-Eth-Trunk1]port trunk allow-pass vlanall

[SWH3-Eth-Trunk1]mode manual load-balance

[SWH3-Eth-Trunk1]quit

[SWH3]interface vlan 10

[SWH3-Vlanif10]ip address 192.168.10.1 255.255.255.0

[SWH5-Vlanif10]quit

[SWH3]ip route-static192.168.30.0 24 192.168.10.254

[SWH3]ip route-static 192.168.20.0 24192.168.10.254

检测都可以ping通,且抓包可以实现自动切换。

 

注意:在本地配置Eth-Trunk的时候,在对端也要进行Eth-Trunk的配置,且加上路由就可以实现不同网段间的互通。






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