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Forum Discussion
Solved
VLANs and Windows DHCP Server
Current Setup
Draytek Vigor router with port 4 connected to port 1
Draytek has two VLANs setup, the default which is untagged is 10.0.0.0/24 and VLAN 20 tagged 172.16.31.0/24
Windows DHCP server IP 10.0.0.251 is working fine for devices on the 10.0.0.0/24 network, I would like for it to hand out addresses on the 172.16.31.0/24 network but when they are plugged in they do not receive an IP address.
Inter-VLAN routing enabled on the Draytek and DHCP relay for VLAN 20 configured to point to 10.0.0.251
VLAN tagging and untagging is as follows:
Port 1: Untagged on VLAN 1, tagged on VLAN 20, PVID is 1
Port 27: untagged on VLAN 20, PVID is 20,
Is there something extra I need to do to get this working?
Thank you for your assistance, I found the DHCP server was using another router on the same subnet as the gateway for legacy reasons. It needed a static route to the new Subnet/VLAN, once I added this all was working fine, I confirmed I could ping from the Router interface on the new Subnet to the DHCP server fine and DHCP relay was working fine
2 Replies
To my knowledge, the Netgear Smart switches are just L2 or some L2+ capable, there is no DHCP HELPER available.
Said that, the DHCP server must have a leg in this IP subnet and VLAN.
Thank you for your assistance, I found the DHCP server was using another router on the same subnet as the gateway for legacy reasons. It needed a static route to the new Subnet/VLAN, once I added this all was working fine, I confirmed I could ping from the Router interface on the new Subnet to the DHCP server fine and DHCP relay was working fine
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