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6222
September 7th, 2009 16:00
Bridging two vlans and blocking dhcp broadcasts
Hi,
I have a Powerconnect 5324, just swiped it off fleabay but now I'm wondering whether it will actually be able to do what I need.
I've configured two vlans (vlan30, vlan31) and allocated ports 1-8 and 9-16 respecively to each vlan.
vlan 30 has subnet 10.20.30.0
vlan 31 has subnet 10.20.31.0
I would like to keep them all seperate unfortunately I can't. The internet comes in via vlan 30 and I need to supply that to clients on vlan 31. I also need to allow some clients on vlan 30 to access print servers and shared storage residing on vlan 31.
I'd prefer to keep these two vlans if possible as long as I can work around my next issue.
I run an exchange server as well as a server running dhcp, dns and most importantly ris/wds so my server needs to stay as the dhcp. However, I also have to keep vlan 30 on a seperate subnet with it's own dhcp for various reasons.
So, is it possible to have two bridged vlans but have seperate dhcp for each? Can I bridge two vlans using just the 5324 alone, or do I need to buy a layer 3 router?
Thanks for any advice.
Danny



piper8
9 Posts
0
September 8th, 2009 21:00
Danny,
This will require a router. The switch is not capable of routing between VLANs.
danflounders
5 Posts
0
September 9th, 2009 08:00
Hi,
Okay that's as I was thinking.
Looks like I'll have to implement my DD-WRT - WRT54G as I cannot afford a Layer 3 switch unfortunately.
On another note, how does the switch treat an untagged (general mode) port that is allocated to 2 vlans?
I don't understand why the switch allows you to allocated a port to multiple vlans?
Thanks