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Forum Discussion
Creating a VLAN on GS724Tv4 to separate three subnets from each other
Hi, i have a question regarding the configuration of VLANs to separate two subnets with three logical networks from each other on the GS724Tv4. In general that should be a fairly easy task but i ...
Hi,
thank you for the answer.
As you have not made any changes on the VLAN 1 and the related ports 1..8 - hard to imagine why this default VLAN should not work. Have started from a factory default cofg?
Yes, i started from a factory resetted switch.
A good starting point might be having an eye on Switching > Address Table > Basic > Address Table - there you can see if the router and devices are really connected to the VLANs as expected.
Okay, thanks. I will check that.
Not sure what you intend to achieve - this will connect broadcast, DHCP, ... for this subnet together again. Unlikely the router will isolate things here as in general a VLAN is representing one network with one IP subnet.
Actually, this is a good point. What i want to achieve is that i can prioritize the VLAN with the IP-Phones.
But it may be a better idea to have only two VLANs in my situation, one for each subnet and then prioritize the phones only on port-basis if this is possible.
Such a design is a good start into a nightmare. VLAN2 is configured to be VLAN 4 thus PVID is 4?
Sorry for the confusion, i meant the following:
VLAN 1 (Default): Port 1 - 8 for the subnet 10.0.1.0/24
VLAN 4: Port 9 - 16 for the subnet 10.0.2.0/24
VLAN 5: Port 17 - 24 for the subnet 10.0.2.0/24
If i change the VLAN config, do I have to reconnect the cables even if the subnet does not change?
I think I have identified the problem:
As soon as I plug in the second uplink (in the same subnet), VLAN 5 is not reachable anymore.
However, this should not happen, because both VLANs (4 & 5) should react as separate switches...?
pakl wrote:As soon as I plug in the second uplink (in the same subnet), VLAN 5 is not reachable anymore.
Don't understand what you are doing or asking here.
Provide exact details of VLAN configuration, port VLAN config/membership/trunk whatever.
pakl wrote:However, this should not happen, because both VLANs (4 & 5) should react as separate switches...?
A VLAN makes up a network, not a switch.
There are protocols like STP or RSTP which span the complete physical network for example.
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