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S5700的Eth

S5700的Eth-Trunk端口匯聚

鏈路匯聚和端口匯聚,就是端口聚合,交換機(jī)的堆疊是堆疊和端口聚合無(wú)關(guān)。

端口聚合概念:(包括二層端口聚合和三層端口聚合)

1.端口聚合IEEE標(biāo)準(zhǔn)是將最多16條鏈路聚合成一個(gè)邏輯的鏈路。其中只有8條可以使用,

  其余8條作為備份。

2.做聚合的端口配置,物理介質(zhì)性質(zhì)(雙工模式,接口帶寬等等)必須一樣

3.端口聚合可以提高帶寬,但是不是物理上的提高,而是基于負(fù)載均衡的提高

4.做端口聚合的端口只能以2的倍數(shù)個(gè)鏈路做聚合,即只能2、4、6、8條鏈路做聚合,

不能是奇數(shù)鏈路做聚合

Eth-Trunk簡(jiǎn)單端口匯聚:(本地負(fù)載均衡)

SW1:

[SW1]interface Eth-Trunk 1   #建立匯聚端口1

[SW1-Eth-Trunk1]port link-type access  #更改端口為訪問端口,如果下面是兩臺(tái)交換機(jī),則需要更改為port link-type trunk模式。

[SW1-Eth-Trunk1]mode manual load-balance  #添加手動(dòng)本地負(fù)載模式

[SW1-Eth-Trunk1]quit

[SW1]interface GigabitEthernet 0/0/1

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

[SW1]interface GigabitEthernet 0/0/2

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

通過抓包驗(yàn)證時(shí)如果斷開GigabitEthernet 0/0/1接口下連線的情況下,會(huì)自動(dòng)切換到GigabitEthernet 0/0/2端口下進(jìn)行通信。


刪除端口下trunk的正確方法:

(因?yàn)槎丝谀J(rèn)是在vlan1的,如果刪除了全部,端口就沒有默認(rèn)vlan1的配置了,需要重新加回來,才可以繼續(xù)下一步的刪除。)

[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間互通:

準(zhǔn)備:

192.168.10.23/24

192.168.20.99/24

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

這三臺(tái)電腦都為測(cè)試使用,其實(shí)直接用交換進(jìn)行ping也可以進(jìn)行測(cè)試,純屬個(gè)人習(xí)慣。

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的配置是一樣的,就是最后的靜態(tài)路由改變了。

[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的配置是一樣的,就是最后的靜態(tài)路由改變了。

[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

檢測(cè)都可以ping通,且抓包可以實(shí)現(xiàn)自動(dòng)切換。

 

注意:在本地配置Eth-Trunk的時(shí)候,在對(duì)端也要進(jìn)行Eth-Trunk的配置,且加上路由就可以實(shí)現(xiàn)不同網(wǎng)段間的互通。






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