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Re: VLAN split through 2 Netgear Switches (GS72TP, XS708T) doesn’t work.
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I thought I finally understood VLANs until I got stuck to this problem.
I have two Netgear Switches. A GS72TP and a 10Gb XS708T. They are routed by an UDM-PRO.
I have successfully set a few VLANs with this equipment, except for one (VLAN 25), which splits across the two switches.
The UDM-PRO sees and assigns IPs to all the VLAN 25.
The first 5 devices are physically on the GS72TP. The last one (.231) on the XS708T.
The devices on the GS ping to each other no problem, but they do not see the one on the XS (and viceversa).
This is the default VLAN membership for the XS:
PORT 7 and 8 are Trunk connections to the UDM-PRO and GS switch, respectively.
This is the VLAN 25 membership for the XS:
PORT 1 and 6 are VLAN 25 members. PORT 7 and 8 are Trunk connections to the UDM-PRO and to the GS switch, respectively.
Here are the PVID configurations for the XS:
And this are the VLANs membership settings on the GS.
Default VLAN first (see below). The PORTS 23 and 24 are Trunks to the Router and the XS switch, so I thought they should be Tagged… but the GS won’t let me change the default VLAN membership.
and VLAN 25:
PVID configurations on the GS:
I’m sure I made an obvious mistake somewhere… this is not my field and I’m literally losing sleep over this problem, so any insight is very welcome!
-Alessandro
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I ended up doing some test... Now I actually believe the problem was with the Copper/SFP+ combo port on the XS708T. For some reason, the VLAN seems not to work when I use the SFP+ wiring instead of the copper.
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Re: VLAN split through 2 Netgear Switches (GS72TP, XS708T) doesn’t work.
Not sure why, but I believe tagging the ports used by the VLAN 25 in the default VLAN (1) membership fixed the issue.
Also I disabled the routing mode in both switches (GS72TP and XS708T)...
I'm not sure which one fixed the problem, or maybe it was the combination of the two. Anyway, VLAN 25 now works through both switches, and since I don't want to mess things up, I won't do the needed tests to verify what fixed it.
Perhaps someone knows and is up to explain why it wasn't working?
Thanks!
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I ended up doing some test... Now I actually believe the problem was with the Copper/SFP+ combo port on the XS708T. For some reason, the VLAN seems not to work when I use the SFP+ wiring instead of the copper.