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Newbi help needed with VLAN performance MS108EUP and GS110EMX
Just updated my home network by adding a NETGEAR MS108EUP and GS110EMX so I can have 2 VLAN's connecting my basement and upper floor with both my internet network and the Google fiber network. I thin...
Quick update.
First, thank you for those that offered guidance and help!
After trying to get this working a couple more times I ended up calling Netgear support who also couldn't find anything wrong with my setup or configuration. We concluded the switch was not working correctly and so I ordered a new one and now everything is working as it should, so the MS108EUP was the issue.
I ended up getting a second GS110EMX rather than replacing the MS108EUP with the same switch as I found several other reviews that seemed to have similar issues with that switch, and I don't need the POE feature.
Thanks again!
Mark.
Two switches. Wild guess one in the basement, one in the upper floor.
More wild guessing, one physical network connection between the two switches. Probably 2.5GbE because that's the max the MS108EUP can do.
More wild guessing, two VLANs configured, VLAN 1 and VLAN 2. Configured how to the different networks resp. routers resp. PCs.
What makes up VLAN 1 to be the default? Probably using the link with untagged frames (thus default?) for the normal Internet LAN (Gigabit), and some tagged trunk for VLAN 2 for the Google Fiber network LAN?
Definitively confused about the point where you state "and on each switch depending on the port the host device is connected to one of the two networks."
Starting from this:
barrettusa wrote:
As part of my testing on two PC's which are connected one to each VLAN I did a speed test to make sure I was getting the throughput expected. VLAN1 is 1000Mbps and VLAN2 is 2500Mbps on Google Fiber 2000.
What has changed to this?
barrettusa wrote:
When I do the speed test to Google, I see the throughput on download hit around 700Mbps on the PC on VLAN 1 and 1700Mbps on VLAN2 but after a couple of seconds the test fails with a socket error.
Please put up a list of what you think you have connected and configured.
And why/how should the previous unmanaged GS110MX made this configuration work - considering there are at least two networks, two LAN, two LAN IP subnets , ....?
VLANs don't make connections - Ethernet links (or for the sake fiber links) do. On an Ethernet link, you can operate multiple VLANs which carry traffic or frames, and ensure this traffic is kept independent from the other networks.
By rule of thumb, what I would suggest:
- One physical Ethernet link between the two switches, or in a second stage two Ethernet links in static LAG - the later makes the VLAN trunk config more complex to understand
- The ports connecting to this trunk, configured as [T]agged for each VLAN 1 and 2 ... that makes the trunk carrying both VLANs in tagged frames, for example port #8
- Define multiple access ports on both switches for each of the VLANs 1 and 2, for example
Port 1...3 VLAN 1 [U]ntagged, PVID 1
...
Port 4...6 VLAN 2 [U]ntagged, PVID 2
...
These ports 1..3 on both switches make up network connections (like a cable) for VLAN 1, resp. ports 4..6 on both switches make up network connections (like a cable) for VLAN 2. Like direct connections to each router LAN for example (including each router).
After rolling back due to the issues I figured I would start again planning this solution! Here is a simple view of what I am trying to do with these two new switches. Basically, I have one cable between 2 floors and want to use that as a truck to carry traffic for both VLANs - is this possible and if so, what did I do wrong with the configuration?
Yeah, that should work as long as you do not need access from VLAN2 to VLAN1. Also, it usually means double NATting while accessing Internet from VLAN1, but your Synology router may be different.
Correct, only the Synology Router allows traffic from VLAN1 to VLAN2. Thanks!!
Config makes perfect sense, great job!
Probably not related is the PVID config on the MS108EUP, so just for completeness please.
You are making me feel much better 😁
So, I couldn't find the PVID and realized that I was in basic not advanced, so I switched to advanced and recreated the VLANs
Does this look correct for the GS110EMX?
I think I am starting to understand this VLAN stuff much better now, thanks again for your assistance!
Bad news - after checking the configuration, I put the new switches back in the network per the diagram above and tested as I went. After connecting the Google router, I was able to connect to it on port 8 but not on 3 to 7 as planned, like wise connecting to port 3 allowed me to access the switch on VLAN 1 (192.168.3.x) so all looks good. I then connected the trunk cable to port 2 and on port 10 of the other switch, and the PC on port 9 was able to access the internet on VLAN 2 as planned and completed all speed testing - can't see any issues. Then I connected port 1 VLAN 2 to the Synology router WAN, the WiFi started working and connecting port 2 VLAN 1 to the LAN port on the Synology router restored connectivity to the other wired devices. However, when I did the speed test I get the same issue as in the beginning, the connection to the Synology router is good and I get internet access, but any heavy traffic and I get failures such as the socket error on the failed speed test and I see ping time outs at the same time the test fails. Please, do you have any ideas?
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