S5700的Eth |
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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) 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: 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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