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Question : Cisco 3560g IP HELPER problems with DHCP and second VLAN
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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$mYqVJa9nbjoOi3hKvU58r. ! 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 ! !
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Answer : Cisco 3560g IP HELPER problems with DHCP and second VLAN
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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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