网络工程 - 试图让 DHCP 在 VLAN 中工作 - 吾爱随笔录

我正在尝试让 DHCP 在 VLAN 上工作。我有 3 个 VLAN，它们是 .10、.11、.12。

.11 和 .12 工作正常，它们从 DHCP 服务器获取 IP 地址及其相应的网关。

.10 主机正在获取 IP 地址，但没有获取它们的 .10 网关。

我的 DHCP 服务器是 192.168.10.254，连接到 VLAN 10 的 .10 交换机。

这是我为交换机设置的 VLAN 10。什么可能阻止它将所有信息转发到 VLAN 10 主机。

我也已经在 DHCP 服务器中设置了 DHCP 池。

hostname Lan-Switch1
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enable secret 5 $1$mERr$nXufIEw80DqfKWVQo3J4O.
enable password 7 080C557E080A16001D1908
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ip routing
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ip ssh version 1
ip domain-name man.inishtrahill.ie
ip name-server 192.168.10.254
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spanning-tree mode rapid-pvst
spanning-tree portfast default
spanning-tree vlan 1-4094 priority 24576
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interface FastEthernet0/1
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/2
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/3
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/4
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/5
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/6
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/7
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/8
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/9
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/10
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/11
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/12
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/13
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/14
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/15
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/16
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/17
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/18
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/19
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/20
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/21
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/22
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/23
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface FastEthernet0/24
 switchport access vlan 10
 switchport mode access
 spanning-tree portfast
 spanning-tree guard root
!
interface GigabitEthernet0/1
 description Connection to Switch 2 GigabitEthernet0/1
 switchport trunk native vlan 999
 switchport trunk encapsulation dot1q
 switchport mode trunk
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interface GigabitEthernet0/2
 description Connection to Switch 3 GigabitEthernet0/1
 switchport trunk native vlan 999
 switchport trunk encapsulation dot1q
 switchport mode trunk
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interface Vlan1
 no ip address
 shutdown
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interface Vlan10
 description classroom 1 and classroom 2
 ip address 192.168.10.1 255.255.255.0
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interface Vlan11
 description classroom 3 and classroom 4
 ip address 192.168.11.1 255.255.255.0
 ip helper-address 192.168.10.254
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interface Vlan12
 description secretary and principal
 ip address 192.168.12.1 255.255.255.0
 ip helper-address 192.168.10.254
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ip classless
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ip flow-export version 9
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logging 192.168.10.254
line con 0
 exec-timeout 6 50
 password 7 080C556D061716181E0E
 logging synchronous
 login
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line aux 0
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line vty 0 4
 exec-timeout 5 30
 password 7 080C557A0C150B1206
 logging synchronous
 login
line vty 5 15
 exec-timeout 5 30
 password 7 080C557E080A16001D1908
 logging synchronous
 login
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ntp authentication-key 1 md5 0832494D1B1C112713181F13253920 7
ntp server 192.168.10.254 key 0
!
end


Lan-Switch1#