1樓：
你用單臂路由或著用一臺三層交換機就可以解決。
2樓：大爺是我是大爺
我把交換機和路由器的配置列出來給你
交換機f0/1 f0/2 都再vlan10 下 f0/3 在vlan20 下 f0/4 配置為trunk
路由器f0/0 用單臂路由技術
下面是配置
switch#sho run
building configuration...
current configuration : 1185 bytes
!version 12.2
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!hostname switch!!
!inte***ce fastethernet0/1
switchport access vlan 10
switchport mode access
!inte***ce fastethernet0/2
switchport access vlan 10
switchport mode access
!inte***ce fastethernet0/3
switchport access vlan 20
switchport mode access
!inte***ce fastethernet0/4
switchport mode trunk
!inte***ce fastethernet0/5
!inte***ce fastethernet0/6
!inte***ce fastethernet0/7
!inte***ce fastethernet0/8
!inte***ce fastethernet0/9
!inte***ce fastethernet0/10
!inte***ce fastethernet0/11
!inte***ce fastethernet0/12
!inte***ce fastethernet0/13
!inte***ce fastethernet0/14
!inte***ce fastethernet0/15
!inte***ce fastethernet0/16
!inte***ce fastethernet0/17
!inte***ce fastethernet0/18
!inte***ce fastethernet0/19
!inte***ce fastethernet0/20
!inte***ce fastethernet0/21
!inte***ce fastethernet0/22
!inte***ce fastethernet0/23
!inte***ce fastethernet0/24
!inte***ce gigabitethernet1/1
!inte***ce gigabitethernet1/2
!inte***ce vlan1
no ip address
shutdown!!
line con 0
!line vty 0 4
login
line vty 5 15
login!!
endswitch#
路由器router#show run
building configuration...
current configuration : 628 bytes
!version 12.4
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!hostname router!!
!!!!
!!!!
!!!!
!!!!
inte***ce fastethernet0/0
no ip address
duplex auto
speed auto
!inte***ce fastethernet0/0.10
encapsulation dot1q 10
ip address 192.168.10.1 255.255.255.0
!inte***ce fastethernet0/0.20
encapsulation dot1q 20
ip address 192.168.20.1 255.255.255.0
!inte***ce fastethernet0/1
no ip address
duplex auto
speed auto
shutdown
!inte***ce vlan1
no ip address
shutdown
!ip classless!!
!!!!
!line con 0
line vty 0 4
login!!
!end
router#
樓主 給分
pc0和pc2屬vlan 10，pc1屬vlan 20，怎樣才能相互ping通？？求大神幫助！求大神把全部**貼出來
3樓：匿名使用者
大神也不行，vlan間需要路由，你需要加一臺路由器做單臂路由，或者把其中一臺交換換做三層的啟用iprouting
4樓：匿名使用者
= =. 用三層交換機 . 設定svi介面就行了請給分
兩個不同vlan間怎麼才能互相ping通，不要解釋，需要配置命令！要**！！！pc0和pc1是一個
5樓：匿名使用者
這裡，核心的一口接sw0的一口；sw0 的一口接sw1上網一口；sw1的二口接pc0,三口接pc1，四口接pc2，五口接pc3；pc0和pc1網段是192.168.1.
0網段，掩碼是255.255.255.
0，閘道器地址是192.168.1.
1；pc2和pc3網段是192.168.2.
0網段，子網掩碼四255.255.255.
0，閘道器地址是192.168.2.
1，四臺電腦都可以自動獲取地址
核心配置：
vlan 10
vlan 20
inte***ce vlan10
ip address 192.168.1.1 255.255.255.0
no shutdown
inte***ce vlan20
ip address 192.168.2.1 255.255.255.0
no shutdown
ip dhcp pool 10
network 192.168.1.0 255.255.255.0
default-router 192.168.1.1
dns-server 8.8.8.8
ip dhcp pool 20
network 192.168.2.0 255.255.255.0
default-router 192.168.2.1
dns-server 8.8.8.8
iprouting
inte***ce fastethernet0/1
switchport trunk encapsulation dot1q
switchport mode trunk
sw0配置：
vlan 10
vlan 20
inte***ce fastethernet0/1
switchport mode trunk
inte***ce fastethernet0/2
switchport mode trunk
sw1配置：
vlan 10
vlan 20
inte***ce fastethernet0/1
switchport mode trunk
inte***ce fastethernet0/2
switchport access vlan 10
switchport mode access
inte***ce fastethernet0/3
switchport access vlan 10
switchport mode access
inte***ce fastethernet0/4
switchport access vlan 20
switchport mode access
inte***ce fastethernet0/5
switchport access vlan 2
switchport mode access
如圖，pc0和pc2屬於vlan1，pc1和pc3屬於vlan2，如何實現pc0和pc2通訊？
6樓：
在2個交換機中間加3層交換機 閘道器都在3層 2層就是透傳vlan 直接就通了 路由器也是一樣
思科3層交換機自動分配ip給pc，2臺3層做鏈路聚合，pc0和pc2在vlan10中，pc1,3在vlan20 中 求配置詳情
7樓：軒_燦爛
樓主，你好
配置如下，手打
l3 sw1:
ip dhcp excluded-address 192.168.10.1
ip dhcp excluded-address 192.168.20.1
ip dhcp excluded-address 192.168.10.2
ip dhcp excluded-address 192.168.20.2
ip dhcp pool 10
network 192.168.10.0 255.255.255.0
default-router 192.168.10.1
dns-server 202.103.24.68 202.103.44.150
!
ip dhcp pool 20
network 192.168.20.0 255.255.255.0
default-router 192.168.20.2
dns-server 202.103.24.68 202.103.44.150
spanning-tree vlan 10 priority 8192
spanning-tree vlan 20 priority 16384
inte***ce port-channel1
switchport mode trunk
!
inte***ce fastethernet0/1
switchport mode trunk
!
inte***ce fastethernet0/2
switchport mode trunk
!
inte***ce fastethernet0/3
switchport mode trunk
channel-group 1 mode on
!
inte***ce fastethernet0/4
switchport mode trunk
channel-group 1 mode on
inte***ce vlan10
ip address 192.168.10.1 255.255.255.0
!
inte***ce vlan20
ip address 192.168.20.1 255.255.255.0
ip ospf cost 65535
spanning-tree vlan 10 priority 8192
spanning-tree vlan 20 priority 16384
inte***ce port-channel1
switchport mode trunk
!
inte***ce fastethernet0/1
switchport mode trunk
!
inte***ce fastethernet0/2
switchport mode trunk
!
inte***ce fastethernet0/3
switchport mode trunk
channel-group 1 mode on
!
inte***ce fastethernet0/4
switchport mode trunk
channel-group 1 mode on
inte***ce vlan10
ip address 192.168.10.1 255.255.255.0
!
inte***ce vlan20
ip address 192.168.20.1 255.255.255.0
ip ospf cost 65535
l3 sw 2:
spanning-tree vlan 10 priority 16384
spanning-tree vlan 20 priority 8192
inte***ce port-channel1
switchport mode trunk
!
inte***ce fastethernet1/1
switchport mode trunk
!
inte***ce fastethernet1/2
switchport mode trunk
!
inte***ce fastethernet0/3
switchport mode trunk
channel-group 1 mode on
!
inte***ce fastethernet0/4
switchport mode trunk
channel-group 1 mode on
inte***ce vlan10
ip address 192.168.10.2 255.255.255.0
ip ospf cost 65535
!
inte***ce vlan20
ip address 192.168.20.2 255.255.255.0
l2 sw 1:
inter f0/3
no shutdown
sw mode trunk
inter f0/4
no shutdown
sw mode trunk
inter f0/1
sw mode access
sw access vlan 10
inter f0/2
sw mode access
sw access vlan 20
l2 sw2:
inter f0/3
no shutdown
sw mode trunk
inter f0/4
no shutdown
sw mode trunk
inter f0/1
no shutdown
sw mode access
sw access vlan 10
inter f0/2
no shutdown
sw mode access
sw access vlan 20
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