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Forum Discussion
GS305E and linking two home networks/IP ranges
Just bought a lovely new GS305E. I've disabled DHCP on it and set it to have a unique IP of 192.168.86.XXX which is the same as my Google Wifi. google Wifi is the DHCP server. 192.168.86.1 is the gateway which is google. Google normally is plugged directly into the ONT (fibre)
1. GS305E seems to crash the network when inserted onto it, although not always immediately. Do i place it as the first device from the ONT (cable connection) or ONT>Google Router>GS305E
2. do I need to set anything else on the switch?
3. I also plug my android play TV into the GS305E and the TV seems to find itself a bizarre IP address (perhaps from the ONT or TALK TALK/ISP?). when i manually set the tv to 192.168.86.YYY it cannot find the web even with the correct gateway 192.168.86.1.
as a separate project, I then want to create another wiFi6 nework for my own use using 192.1.1.XXX (or whatever) which will come from my ISPs (TalkTalk) supplied router which is a Amazon EERO 6
4. I think I might need a DMZ on the GS305E to keep the different IP ranges apart?
lots of questions. sorry! any help appreciAted. even to just point me on the correct physical setup and some keywords to further research. i'm thinking the gs305e might be the worng product?
ty in advance
1 Reply
In general, only one device - with it's WAN/Internet port - can be connected to a ONT.
The GS305E is a simple unmanaged switch (yes!) with some very basic config options for defining VLANs.
The crystal ball is not in the office on a weekend, so hard to guess whatever "bizarre" IP addresses you are talking of. The IP address you experience or see however could explain what is (not) going on there.
In blunt theory, you can of course operate multiple networks on different IP subnetworks when properly configured on a switch for dedicated VLANs. Said this: You can't connect multiple LANs and IP subnets without properly isolating on VLANs, and access ports (associating unmanaged incoming frames with singe VLAN only) can only configured to work on a single VLAN.
No matter if you think about Plus switches, Smart Managed switches, or Managed switches: DMZ is a term known on NAT routers, not on switches.
Talking of Google WiFi or similar the Google Nest WiFi Router, there is always only one system connected what makes up your Internet connection. More coverage can be added by Google Nest WiFi Pods, purely making a wireless backhaul. The Google Nest Pro devices are adding dedicated LAN port(s) for locally connecting devices requiring fast and reliable network connection, e.g. for adding say a NAS, a gaming station, a PC workstation local to each Google Nest Pro device.
Where and how are you connecting this poor little GS305E so it's apparently causing a connectivity problem on your network please? Yes, the GS305E does have a feature to avoid and blocking networking loops for the case the kids create a network loop. It does not crash - it would just shut one of the ports involved in the loop.
Said this: No, you can't direct connect to networks together and magically get two or more dedicated networks.
If looking for support, please always create a list of the exact devices involved, the connections (ideally a simple drawing).
Last: Keep in mind most of these Plus switches don't have a management VLAN. The uC with the simple IP stack can and will talk to any data flowing untagged through the switch. So it's not possible to properly isolate the config IP from multiple VLANs, even if configuring dedicated access ports for different VLANs.
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