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Forum Discussion
GS308Ev4, GS305E - Help with uplinks/downlinks
Could I please have some help or confirmation that I have these setup correctly? I'm weary that they are because I sometimes have trouble connecting to the admin interfaces on these switches. I've already locked myself out of about 5 of these (they become unreachable) and had to do factory resets and start over.
Other times, I login and the admin pages don't fully load. Or sometimes they load with weird names and labels. Sometimes I logout and chrome says "no data from site". I'm concerned I'm losing some packets somewhere. But generally speaking, everything is working and the untagged (U) vlan access ports are divvying out the correct ip addresses and devices are communicating within themselves ok.
I don't think I'm understanding how the uplinks/downlinks need to be tagged, or untagged.
Here's the big picture. Looking at it on paper makes me feel like I'm way out of league. There's a lot of empty ports, I'm just starting.
Here's the 4 port setup on the router
Let me just start down the port 1 trunk (stuff on left of picture). Here's the setup of GS308Ev4-1 for VLAN1
Same router VLAN31
Same router pvid
And then both GS305E-1 and -2 are setup the same which is:
How am I doing?
18 Replies
That's not a question of up- and downlink - all ports are the same, there is no designated uplink port.
Much more, the future network designers must understand that these small Plus switches are not built on a managed cores, so the Web UI can ONLY operate untagged, Tagged frames are ignored by the switch uC handling the the WebUI.
These are not Smart Managed Switches or Managed Switches where the CPU port can be configured for a management VLAN.
You must ensuite the management or admin "VLAN" must be able to reach these switches on an untagged connection. Said that, used need to understand his restriction on designing their networks.
If you desire to design and implement your network with a management VLAN, these switch models are not for you. This is the price you pay by deploying these very inexpensive Plus switches, but plan to implement a business class network.
When I see uplinks and downlink ports carrying tagged ports only, it's obvious you won't he able to manage (== administrate) the switched due to this limitation.
Thanks for the reply. Ok, bit of clarification. This is a home network. And apologies for using the wrong up/down link terminology. It just made sense to me. Does the above configuration require a management VLAN?
You must ensuite the management or admin "VLAN" must be able to reach these switches on an untagged connection.
So the setup of GS308Ev4-1 for VLAN1 maybe needs to be:
?
This is a home network.
I am wondering why you need all these vlans - can you clarify their purpose?
Yes, assuming the VLAN 1 does also serve as the management VLAN - correct, run this untagged on all trunks!
I made the change as suggested to one of the 305's and soft rebooted it. When it came back, the management interface was no longer on the ip address range for LAN 1. I pulled the power, put it back, same thing. I ended up finding it on the address range for LAN 11. How does that happen? I really didn't know what to do, so I soft rebooted it again, and now it's back where it should be!?
Here's the only change I made, making LAN 1 untagged on port 1 that leads back to the router:Prior to, port 1 here was T.
And here's what the other vlans look like on this guy:
Port 2 has an AP plugged into it that runs SSIDs for 1, 11, 12 but not 31.
Here's the only change I made, making LAN 1 untagged on port 1 that leads back to the router:
Prior to, port 1 here was T.And the other end of the trunk on the router side, is als an [U]ntagged port for VLAN 1?
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