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虛擬局域網(wǎng)VLAN路由設(shè)置

時間:2024-06-24 10:04:28 思科認(rèn)證 我要投稿
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虛擬局域網(wǎng)(VLAN)路由設(shè)置

  虛擬網(wǎng)絡(luò)技術(shù)打破了地理環(huán)境的制約,在不改動網(wǎng)絡(luò)物理連接的情況下可以任意將工作站在工作組或子網(wǎng)之間移動,工作站組成邏輯工作組或虛擬子網(wǎng),提高信息系統(tǒng)的運作性能,均衡網(wǎng)絡(luò)數(shù)據(jù)流量,合理利用硬件及信息資源。下面小編準(zhǔn)備了關(guān)于虛擬局域網(wǎng)(VLAN)路由設(shè)置的文章,歡迎大家參考!

  一、虛擬局域網(wǎng)(VLAN)

  當(dāng)前在我們構(gòu)造企業(yè)網(wǎng)絡(luò)時所采用的主干網(wǎng)絡(luò)技術(shù)一般都是基于交換和虛擬網(wǎng)絡(luò)的。交換技術(shù)將共享介質(zhì)改為獨占介質(zhì),大大提高網(wǎng)絡(luò)速度。虛擬網(wǎng)絡(luò)技術(shù)打破了地理環(huán)境的制約,在不改動網(wǎng)絡(luò)物理連接的情況下可以任意將工作站在工作組或子網(wǎng)之間移動,工作站組成邏輯工作組或虛擬子網(wǎng),提高信息系統(tǒng)的運作性能,均衡網(wǎng)絡(luò)數(shù)據(jù)流量,合理利用硬件及信息資源。同時,利用虛擬網(wǎng)絡(luò)技術(shù),大大減輕了網(wǎng)絡(luò)管理和維護(hù)工作的負(fù)擔(dān),降低網(wǎng)絡(luò)維護(hù)費用。隨著虛擬網(wǎng)絡(luò)技術(shù)的應(yīng)用,隨之必然產(chǎn)生了在虛擬網(wǎng)間如何通訊的問題.

  二、交換機(jī)間鏈路(ISL)協(xié)議

  ISL(Interior Switching Link)協(xié)議用于實現(xiàn)交換機(jī)間的VLAN中繼。它是一個信息包標(biāo)記協(xié)議,在支持ISL接口上發(fā)送的幀由一個標(biāo)準(zhǔn)以太網(wǎng)幀及相關(guān)的VLAN信息組成。如下圖所示,在支持ISL的接口上可以傳送來自不同VLAN的數(shù)據(jù)。

  三、虛擬局域網(wǎng)(VLAN)路由實例

  3.1. 例一:

  設(shè)備選用Catalyst5500交換機(jī)1臺,安裝WS-X5530-E3管理引擎,多塊WS-X5225R及WS-X5302路由交換模塊,WS-X5302被直接插入交換機(jī),通過二個通道與系統(tǒng)背板上的VLAN 相連,從用戶角度看認(rèn)為它是1個1接口的模塊,此接口支持ISL。在交換機(jī)內(nèi)劃有3個虛擬網(wǎng),分別名為default、qbw、rgw,通過WS-X5302實現(xiàn)虛擬網(wǎng)間路由。

  以下加重下橫線部分,如set system name 5500C為需設(shè)置的命令。

  設(shè)置如下:

  Catalyst 5500配置:

  begin

  set password $1$FMFQ$HfZR5DUszVHIRhrz4h6V70

  set enablepass $1$FMFQ$HfZR5DUszVHIRhrz4h6V70

  set prompt Console>

  set length 24 default

  set logout 20

  set banner motd ^C^C

  !

  #system

  set system baud 9600

  set system modem disable

  set system name 5500C

  set system location

  set system contact

  !

  #ip

  set interface sc0 1 10.230.4.240 255.255.255.0 10.230.4.255

  set interface sc0 up

  set interface sl0 0.0.0.0 0.0.0.0

  set interface sl0 up

  set arp agingtime 1200

  set ip redirect enable

  set ip unreachable enable

  set ip fragmentation enable

  set ip route 0.0.0.0 10.230.4.15 1

  set ip alias default 0.0.0.0

  !

  #Command alias

  !

  #vtp

  set vtp domain hne

  set vtp mode server

  set vtp v2 disable

  set vtp pruning disable

  set vtp pruneeligible 2-1000

  clear vtp pruneeligible 1001-1005

  set vlan 1 name default type ethernet mtu 1500 said 100001 state active

  set vlan 777 name rgw type ethernet mtu 1500 said 100777 state active

  set vlan 888 name qbw type ethernet mtu 1500 said 100888 state active

  set vlan 1002 name fddi-default type fddi mtu 1500 said 101002 state active

  set vlan 1004 name fddinet-default type fddinet mtu 1500 said 101004 state active bridge 0x0 stp ieee

  set vlan 1005 name trnet-default type trbrf mtu 1500 said 101005 state active bridge 0x0 stp ibm

  set vlan 1003 name token-ring-default type trcrf mtu 1500 said 101003 state active parent 0 ring 0x0 mode srb aremaxhop 7 stemaxhop 7

  !

  #set boot command

  set boot config-register 0x102

  set boot system flash bootflash:cat5000-sup3.4-3-1a.bin

  !

  #module 1 : 2-port 1000BaseLX Supervisor

  set module name 1

  set vlan 1 1/1-2

  set port enable 1/1-2

  !

  #module 2 : empty

  !

  #module 3 : 24-port 10/100BaseTX Ethernet

  set module name 3

  set module enable 3

  set vlan 1 3/1-22

  set vlan 777 3/23

  set vlan 888 3/24

  set trunk 3/1 on isl 1-1005

  #module 4 empty

  !

  #module 5 empty

  !

  #module 6 : 1-port Route Switch

  set module name 6

  set port level 6/1 normal

  set port trap 6/1 disable

  set port name 6/1

  set cdp enable 6/1

  set cdp interval 6/1 60

  set trunk 6/1 on isl 1-1005

  !

  #module 7 : 24-port 10/100BaseTX Ethernet

  set module name 7

  set module enable 7

  set vlan 1 7/1-22

  set vlan 888 7/23-24

  set trunk 7/1 on isl 1-1005

  set trunk 7/2 on isl 1-1005

  !

  #module 8 empty

  !

  #module 9 empty

  !

  #module 10 : 12-port 100BaseFX MM Ethernet

  set module name 10

  set module enable 10

  set vlan 1 10/1-12

  set port channel 10/1-4 off

  set port channel 10/5-8 off

  set port channel 10/9-12 off

  set port channel 10/1-2 on

  set port channel 10/3-4 on

  set port channel 10/5-6 on

  set port channel 10/7-8 on

  set port channel 10/9-10 on

  set port channel 10/11-12 on

  #module 11 empty

  !

  #module 12 empty

  !

  #module 13 empty

  !

  #switch port analyzer

  !set span 1 1/1 both inpkts disable

  set span disable

  !

  #cam

  set cam agingtime 1-2,777,888,1003,1005 300

  end

  5500C> (enable)

  WS-X5302路由模塊設(shè)置:

  Router#wri t

  Building configuration...

  Current configuration:

  !

  version 11.2

  no service password-encryption

  no service udp-small-servers

  no service tcp-small-servers

  !

  hostname Router

  !

  enable secret 5 $1$w1kK$AJK69fGOD7BqKhKcSNBf6.

  !

  ip subnet-zero

  !

  interface Vlan1

  ip address 10.230.2.56 255.255.255.0

  !

  interface Vlan777

  ip address 10.230.3.56 255.255.255.0

  !

  interface Vlan888

  ip address 10.230.4.56 255.255.255.0

  !

  no ip classless

  !

  line con 0

  line aux 0

  line vty 0 4

  password router

  login

  !

  end

  Router#

  3.1. 例二:

  交換設(shè)備仍選用Catalyst5500交換機(jī)1臺,安裝WS-X5530-E3管理引擎,多塊WS-X5225R在交換機(jī)內(nèi)劃有3個虛擬網(wǎng),分別名為default、qbw、rgw,通過Cisco3640路由器實現(xiàn)虛擬網(wǎng)間路由。交換機(jī)設(shè)置與例一類似。

  路由器Cisco3640,配有一塊NM-1FE-TX模塊,此模塊帶有一個快速以太網(wǎng)接口可以支持ISL。Cisco3640快速以太網(wǎng)接口與交換機(jī)上的某一支持ISL的端口實現(xiàn)連接,如交換機(jī)第3槽第1個接口(3/1口)。

  Router#wri t

  Building configuration...

  Current configuration:

  !

  version 11.2

  no service password-encryption

  no service udp-small-servers

  no service tcp-small-servers

  !

  hostname Router

  !

  enable secret 5 $1$w1kK$AJK69fGOD7BqKhKcSNBf6.

  !

  ip subnet-zero

  !

  interface FastEthernet1/0

  !

  interface FastEthernet1/0.1

  encapsulation isl 1

  ip address 10.230.2.56 255.255.255.0

  !

  interface FastEthernet1/0.2

  encapsulation isl 777

  ip address 10.230.3.56 255.255.255.0

  !

  interface FastEthernet1/0.3

  encapsulation isl 888

  ip address 10.230.4.56 255.255.255.0

  !

  no ip classless

  !

  line con 0

  line aux 0

  line vty 0 4

  password router

  login

  !

  end

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