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Question : Cisco 3560g IP HELPER problems with DHCP and second VLAN
i am having a problem with getting a second dhcp range from a win2k server through a cisco switch. I have created a second VLAN and when i try and get an ip through it i get the range from VLAN1. I am trying to create a second subnet to increase the amount of ip's i have. currently i have a class C 192.168.100.x and i would like to add 192.168.200.x.
On my dhcp server (192.168.100.5) i have created a second scope 192.168.200.x and on the switch i have created a second vlan. The ip helper is set to 192.168.100.5.
When i try and get an ip i get a 192.168.100.x ip not 192.168 200.x.
Here is my router config... thanks in advance!
version 12.2
service config
no service pad
service timestamps debug uptime
service timestamps log datetime
no service password-encryption
service sequence-numbers
!
hostname CMT3560_Server_Room
!
enable secret 5 $1$D3rC$mYqVJa9nbjoOi3hKvU
58r.
!
ip subnet-zero
!
ip dhcp-server 192.168.100.5
!
spanning-tree mode pvst
no spanning-tree optimize bpdu transmission
spanning-tree extend system-id
!
!
!
!
interface GigabitEthernet0/1
!
interface GigabitEthernet0/2
!
interface GigabitEthernet0/3
!
interface GigabitEthernet0/4
!
interface GigabitEthernet0/5
!
interface GigabitEthernet0/6
!
interface GigabitEthernet0/7
!
interface GigabitEthernet0/8
!
interface GigabitEthernet0/9
!
interface GigabitEthernet0/10
!
interface GigabitEthernet0/11
!
interface GigabitEthernet0/12
!
interface GigabitEthernet0/13
!
interface GigabitEthernet0/14
!
interface GigabitEthernet0/15
!
interface GigabitEthernet0/16
!
interface GigabitEthernet0/17
!
interface GigabitEthernet0/18
!
interface GigabitEthernet0/19
!
interface GigabitEthernet0/20
!
interface GigabitEthernet0/21
!
interface GigabitEthernet0/22
!
interface GigabitEthernet0/23
!
interface GigabitEthernet0/24
!
interface GigabitEthernet0/25
!
interface GigabitEthernet0/26
!
interface GigabitEthernet0/27
!
interface GigabitEthernet0/28
!
interface GigabitEthernet0/29
!
interface GigabitEthernet0/30
!
interface GigabitEthernet0/31
!
interface GigabitEthernet0/32
!
interface GigabitEthernet0/33
!
interface GigabitEthernet0/34
!
interface GigabitEthernet0/35
!
interface GigabitEthernet0/36
no switchport
no ip address
no ip route-cache
!
interface GigabitEthernet0/37
!
interface GigabitEthernet0/38
!
interface GigabitEthernet0/39
!
interface GigabitEthernet0/40
!
interface GigabitEthernet0/41
no switchport
no ip address
no ip route-cache
!
interface GigabitEthernet0/42
switchport access vlan 2
switchport mode access
!
interface GigabitEthernet0/43
!
interface GigabitEthernet0/44
!
interface GigabitEthernet0/45
!
interface GigabitEthernet0/46
!
interface GigabitEthernet0/47
!
interface GigabitEthernet0/48
switchport access vlan 2
switchport mode access
!
interface GigabitEthernet0/49
!
interface GigabitEthernet0/50
!
interface GigabitEthernet0/51
!
interface GigabitEthernet0/52
!
interface Vlan1
ip address 192.168.100.201 255.255.255.0
no ip route-cache
!
interface Vlan2
ip address 192.168.200.201 255.255.255.0
ip helper-address 192.168.100.5
no ip route-cache
!
ip classless
ip http server
!
snmp-server community public RO
snmp-server enable traps tty
!
control-plane
!
!
Answer : Cisco 3560g IP HELPER problems with DHCP and second VLAN
open the windows firewall, check the exceptions tab, and check file and print sharing.. i think tcp 139 and 445, and udp 137 and 138... might need 135 tcp/udp as well.
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