SLM224G VLANS question ....

[nxrocks]

Hello,
I just purchased a SLM224G Linksys switch by Cisco.
is a 24+2 Gb
My setup has to be the following:
Ports 1-12 plus G1 are on the same Vlan (Vlan 10 Data)
Ports 13-24 plus G2 are on the same Vlan (Vlan 20 Voice)

My firewall (Fortigate 50B) provides two outputs - one in G1 and one in G2
Each one has a DHCP enabled - one generates 192.168.5.x ,  the other one generates 192.168.25.x (this range will be used for the VoIP phones)

Looks pretty straight forward - however:

Every port on the switch get IP's from 192.168.5.x, regardless of what Vlan or port is.If I shut down DHCP on VLAN 10 (G1) I will get IP's in the range 192.168.25.x on all the ports regardless of location or Vlan

It seem that there is a link between Vlans and that could be that all the ports are part of Vlan 1 - default on Cisco. Right now the ports 1-12 plus G1 are part of Vlan1 and 10 , and Ports 13-24 plus G2 are part of Vlan 1 and 20 ....
How can I solve the problem so I have two separate networks - independent of eachother.
Thank you

[taliesin]

I have the same problem crated 2 untagged vlans and they are not separated from each other.

Any hint or solution ?

[gv]

What is the exact VLAN configuration on the switch?

Two untagged VLANs on the same port can never be separated. That's impossible. An untagged frame does not contain the VLAN information. There is no way to distinguish them.

[taliesin]

vlan1 default (cant  remove

vlan2 ports 1-16 untaged

vlan3 ports 17-24 untaged

[gv]

vlan 1 is not assigned to any port?

Do those VLANs connect to other network devices (router, switch, or similar)?

[taliesin]

all ports are assigneg to vlan1 by default

I solved problem. 

After creating VLAN assiagning ports to it,  you have to change port PVID to VLAN number, that  port is  assigned.