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Windows 7: DrayTek and Netgear Managed Switch

28 Jan 2013   #1
D3LL

 
 
DrayTek and Netgear Managed Switch

Hi all,

I am trying to setup a DrayTek firewall (DrayTek Vigor 2830) with my Netgear 24port Managed Switch (Netgear GS724TS).

The DrayTek works fine when plugged directly into a PC however once plugged into the switch the computers connected cannot seem to get an IP even when setting statically.

I have been told things like multicast need to be off for the data to translate this is off on my settings, I must be missing a setting? Anyone got any suggestions?

Thank-you,


My System SpecsSystem Spec
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28 Jan 2013   #2
doubled822

Windows 7 Ultimate x64, BackTrack Linux 5 R2, Windows XP
 
 

Are you using the firewall as a DHCP server that hands out addresses to the PC's connected to the switch? I'm not familiar with either of these products, but if the switch supports VLANs, make sure that all ports are on the same VLAN.
My System SpecsSystem Spec
28 Jan 2013   #3
D3LL

 
 

Yes the Draytek is DHCP'ing. Vlan's are different so other people cannot see each other etc.. however they are all tagged to port 1 so traffic can go through...
My System SpecsSystem Spec
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28 Jan 2013   #4
doubled822

Windows 7 Ultimate x64, BackTrack Linux 5 R2, Windows XP
 
 

Quote   Quote: Originally Posted by D3LL View Post
Yes the Draytek is DHCP'ing. Vlan's are different so other people cannot see each other etc.. however they are all tagged to port 1 so traffic can go through...
What exactly do you mean by "tagged to port 1"? Meaning VLAN 1?

The DHCP server/firewall is only going to hand out addresses in the VLAN that it is assigned to, unless your router allows the traffic across the VLANs. Even then, you would need different DHCP scopes for each VLAN on the firewall.
My System SpecsSystem Spec
28 Jan 2013   #5
D3LL

 
 

Tagged basically means assigned to all Vlans. I know the switchs are setup correctly as it works fine without the firewall. Its just something like Multicast stopping it however I can't seem to find what would be stopping it.
My System SpecsSystem Spec
28 Jan 2013   #6
doubled822

Windows 7 Ultimate x64, BackTrack Linux 5 R2, Windows XP
 
 

I'm not sure what a firewall would be multicasting to disrupt traffic to that degree. Are you sure your VLANs are set up properly? Maybe give a little more detail about your VLANs, default gateway, firewall port settings on the switch, etc.

You could use Wireshark and maybe see what's going on with the firewall hooked up--that will let you know if there is multicasting going on, or possibly broadcast storms if your VLANs aren't set up properly..althought I'm not sure your network is large enough for that.
My System SpecsSystem Spec
28 Jan 2013   #7
D3LL

 
 

No the neither the Firewall or Switch is multicasting. I was told that a setting like this could muck up the data translation. This is off completely. I am defiantly sure the Vlans are setup correctly.
My System SpecsSystem Spec
28 Jan 2013   #8
doubled822

Windows 7 Ultimate x64, BackTrack Linux 5 R2, Windows XP
 
 

Could you maybe provide a diagram or info about your VLANs and switch config? That would be helpful to others, even if you are sure the VLANs are set up properly. Amount of vlans, their config, your router/gateway, etc. It's possible the problem lies with the router forwarding traffic across the VLANs.
My System SpecsSystem Spec
28 Jan 2013   #9
D3LL

 
 

Sure here's a network Diagram.


Power routers are on 192.168.1.1, 192.168.1.2, 192.168.1.3., 192.168.1.4,

The DrayTek is on 192.168.1.250 which is the gateway being used on the computers
My System SpecsSystem Spec
28 Jan 2013   #10
doubled822

Windows 7 Ultimate x64, BackTrack Linux 5 R2, Windows XP
 
 

Wow, ok. Apologies in advance for my confusion...are these 4 internet connections combined w/ the firewall for maximum throughput and/or redundancy?

And, when you plug a PC into just the firewall (bypassing the netgear switches), all works well?
My System SpecsSystem Spec
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 DrayTek and Netgear Managed Switch




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