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Forum Discussion
GS316EPP VLAN trunk to GS728TPPv2
Trying to setup vlans to isolate SKYQ boxes from the main network (getting all sorts of issues, and it seems common). I have a Vigor router connected to the GS728 which is the main switch. VLANS defined on both, all works fine. 802.1Q Advanced. Main SKY box is connected to this, and correctly picks up vlan (3). There are (Trunk) drops to intermediate switches were the other SKY boxes are connected - one is a GS116EV2, and one a GS316EPP. The setup to the GS116 works fine (I have done plenty of VLANs on this type of Netgear switch many times before) The setup to GS316 does not work, but the setup looks identical. In summary, VLAN(1) is untagged on all ports except the ones where a sky box is connected. VLAN 3 is T (Tagged) for the trunk link and U for the port where SKY is plugged in.
If I change the VLAN (3) setting on the GS728 for the GS316 port to T, I lose sight of the GS316 switch and everything connected to it. The VLAN(1) setting for this port is U.
| Trunk Port vlan (1) | Trunk Port vlan(3) | ||
| GS728 | U | T | |
| GS316EPP | U | T | Does not work |
| GS116Ev2 | U | T | Works |
The user interface for the GS316 is very different to all my other netgear switches, but I had expected it to work similar to the other ones.
2 Replies
More than a little bit to vague...
Operating physical dedicated Ethernet links for carrying VLAN 1 (VLAN 1 native untagged), and VLAN 3 (VLAN 3 tagged) making up trunk between the GS728TPPv2 <-> GS116Ev2 and GS728TPPv2 <-> GS316EPP ?
For the devices exclusively for the SKYQ devices, you have access ports configured for VLAN 3 [U]ntagged, PVID 3 (only and nothing else no VLAN 1 memberships by accident on the same ports?)
The other potential trouble to be aware is that both the Plus (E) switches admin IP traffic must flow untagged, because these switches ae not built on manage cores where you have a dedicated management VLAN available. This can also lead to the impression that one of these switches appear as unreachable.
Potential other problems on the Plus switches might be that you have only one VLAN available for IGMP Multicast traffic, and I assume you want the VLAN 3 to operate for the live TV stuff.
In case you have different physical layout deploying dedicated Ethernet links for the to trunked VLANs, and STP (Spanning Tree Protocol) might be available only for the GS728TTPP, but not for the Plus switches, the loop protection scheme available on all these switches (if I'm right also on the newer GS728T) and the Plus switches could shutdown select links.
This is it, ball back to Wilsodg
Regards,
-Kurt.
Thanks Kurt,
- Apologies for vagueness - I was trying to simplify.
- Yes to the physical connections - I do have other devices on the switches - all non-sky are native untagged. Also, the GS316 has other switches hanging off for room drops - we go 3 deep on switch hierarchy.
- Not enabled STP - only have one link between switches in strict hierarchical deployment.
- For SKY device ports, VLAN1 has 'EXCLUDE' on the GS316, and blank on the GS116; they have U for VLAN3 and PVid of 3
- There is no setting on the GS116 for mgt vlan. On the GS316 there is a setting and it has to be a value (1 is default). I have not found a setting on the 728 for mgt VLAN - assume the 116 and 728 default to 1 - the default vlan.
- I have not set IGMP yet, but will set it for VLAN3 - it is selectable on all switches.
- Re your point on loop detection, I disabled this on the GS316 and I can now see the devices / switches attached to the GS316, but not the GS316 itself. If I reboot it, it shows briefly on the Netgear Discovery Tool, but then disappears - is this looking like a mgt vlan issue? There is no way it can have a loop in the network. Other devices on this 316 are 4 switches, 2 APs, 5 wired IP cameras, 2 media players and a NAS
Both my 316s are 2 years old so out of support. Given that the 116/108/105 VLANs work fine, is there a way that I can raise this with Netgear?
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