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Forum Discussion
Netgear GSM7352S One Port available in two VLANs
Hi,
i have a problem with the VLAN-Configuration of my GSM7352S. I try to connect Port 43 (VLAN ID14) with two different VLANs (ID2 and ID6).
I tried the following configuration but its not working.
(Port - "VLAN Membership" - "Port PVID Configuration")
VLAN2
1 - VLAN2 untagged - ID2
2 - VLAN2 untagged - ID2
3 - VLAN2 untagged - ID2
4 - VLAN2 untagged - ID2
5 - VLAN2 untagged - ID2
6 - VLAN2 untagged - ID2
43 - VLAN2 tagged - ID2
VLAN6
15 - VLAN6 untagged - ID6
16 - VLAN6 untagged - ID6
17 - VLAN6 untagged - ID6
18 - VLAN6 untagged - ID6
19 - VLAN6 untagged - ID6
43 - VLAN6 tagged - ID6
VLAN14
43 - VLAN14 tagged - ?
44 - VLAN14 tagged -
45 - VLAN14 tagged -
46 - VLAN14 tagged -
47 - VLAN14 tagged -
48 - VLAN14 tagged -
Port 43 should be available from VLAN 2 and VLAN 6.
Some additional backround information:
At Port 1 ist a pc with the IP 100.100.101.1 (subnet 255.255.255.0).
At port 15 is a pc with the IP 100.100.105.1 (subnet 255.255.255.0).
At port 43 is a pc with the IP 100.100.101.254 and 100.100.105.254 (twice subnet 255.255.255.0).
A direct connection from Port 1 to Port 15 should not be possible.A connection from Port 1 to Port 43 should be possible.
Does anybody know the right configuration???
2 Replies
- Think of PVID as your "home" VLAN. It is where all your broadcasts live for that port. You can only set one.
If I were doing this, I'd set the PVID to the best VLAN for the machine and then make port 43 an untagged member of every other VLAN that needs connectivity to the machine. It's been awhile since I've done this, so you might also need to make the other machines members of port 43's home VLAN as well, but I don't remember for certain.
I'd stick to untagged VLANs unless you're VLAN trunking between switches or have a NIC configured to make use of tagged VLANs.
Another way to think of this is that PVID is where transmits happen and VLAN membership is where receives happen. Following this, you may need to create a single "shared" VLAN for the PVID/membership of the shared machine and make other machines that need to reach the shared machine members of the shared VLAN as well, keeping their PVIDs on their home VLANs.
I have to run, but if you're still having trouble later, I could dig up a config example. - hoping you can still reply on this topic, tilo123.
I have a similar situation where I have three VLANs (5/6/7) with 1 computer connected to each on ports 5/6/7 respectively. They shouldn't talk to each other. While I have an NTP server connected to port 8 which should talk to all VLANs.
According to your explanation, should I have set it up as:
VLAN 5:
Untag port 5
Tag Port 8
VLAN 6:
Untag port 6
Tag Port 8
VLAN 7:
Untag port 7
Tag Port 8
VLAN 1:
Untag port 8
Tag Port 5
Tag Port 6
Tag Port 7
Port 5 -> PVID 5
Port 6 -> PVID 6
Port 7 -> PVID 7
Port 8 -> PVID 1
Is this the proper configuration? Thank you in advance!!
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