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Forum Discussion
VLAN Routing for Newbies
Howdy All,
I've recently decided to install a GS752 switch in our offices to segregate traffic to help with security. I've run into a problem that I'm hoping someone can help me with (to keep things simple I'll just go over what VLAN 1 and VLAN 10 look like):
VLAN1 - is fine. Systems attached get IP addresses from DHCP server, and can reach the internet.
All ports are Untagged "U" in the port membership image. (Port 1-10)
VLAN10 - doesn't work. No DHCP traffic through and no access to the internet even when using a static IP address in range.
All ports are Untagged "U" in the port membership image. (Port 1, 11-20)
My setup is:
Broadband Router -> Firewall -> GS752 -> VLANS as follow:
VLAN 1 - NAS, DNS Server, DHCP Server, Wifi APs
VLAN 10 - PCs
How do I allow DHCP and DNS to service VLAN1 and VLAN 10, as well others?
1 Reply
How do I allow DHCP and DNS to service VLAN1 and VLAN 10, as well others?
For DHCP, you need to set up a relay service. There is a guide (example) here:
Though the KB article is for different switches, you should see similar screens on the GS752 (they are there on the GS728).
Standard DNS doesn't use broadcast. so you wouldn't need a relay. Of course you do need to make sure packets on VLAN10 can be routed to the DNS IP address.
VLAN10 - doesn't work. No DHCP traffic through and no access to the internet even when using a static IP address in range.
Internet access should be working with a static IP, so something else is wrong. Is VLAN10 set up to reach the firewall?
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