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I am new to VLANs, bought 2 NETGEAR ProSafe Gigabit Dual WAN SSL VPN Firewall FVS336Gv3 and 1 GS724Tv4 – ProSAFE 24-port Gigabit Smart Switch, idea is to break the network into multiple VLANs, each having its own Firewall, and also acting as a DHCP server.
I set up VLAN 10 on switch, assigning port 19 to 24, created VLAN 20 assigning port 14 to 18.
Remove these port from Default VLAN.
Configured DHCP on FW1, create VLAN 10 on FW1 assign port 3 and 4, connect port 3 to port 24 on the switch.
Configured DHCP on FW2, create VLAN 20 on FW2 assign port 3 and 4, connect port 3 to port 18 on the switch.
Clients not getting DHCP addresses on either VLANs. Though receive addresses if I connect a laptop on port 4 in either of the firewalls.
I think I found the cause. Whenever I connect GS724TV4 with a DLink Layer2 switch things get hanged. If I disconnect it comes back to normal, maybe some sort of firmware bug.
As you saied ,a laptop on port 4 can get a ip address.
FW port 4 default vlan is "default" (vlan 1).
So, I think your dhcp server work in vlan 1 . it it right ?
But switch port 18 is tagged in vlan 20 , that means all traffic from switch would go into vlan 20. So client can't get ip address, since the server work in vlan 1.
Sugggestions:
1.Change switch port 18 to untag.
2.Change FW port 3 default vlan to Default (vlan 1)
I think I found the cause. Whenever I connect GS724TV4 with a DLink Layer2 switch things get hanged. If I disconnect it comes back to normal, maybe some sort of firmware bug.
