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Forum Discussion
Re: Unable to sign into GS308E
I'm having some issues with this product. I recently purchased it and set it up last week. But as soon as I set it up via the admin page and enable Advance 802.1Q VLANs, then I'm no longer able to ...
Now where we can start to understand your network a little bit more (I think) ...
burgler2112 wrote:
If I do a factory reset, I'm able to reach the switch and redo the setup, but once I do, I can no longer reach the admin page.
A good point to continue might be-which- devices will be connected to the GS308E, -what- and -how- you are going to re-configure your switch(es) repeatedly in 802.1q.
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One point I don't yet understand: These two ports on your security appliance for connecting the VLAN 10, 20, 30, and 40 - are these [T]agged or [U]ntagged?
This looks to me (on the first view) like four ports [U]ntagged, so access ports for each of the four VLANs.
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Start with the default config om the GS308E, and set it to 802.1q mode.
Add VLAN 10, 20, 30, and 40.
Go the VLAN Membership, and select the respective VLAN, start with 10.
User Group Operation: [Tag All], then [Apply].
Repeat for VLAN 20, 30, and 40.
A good point to continue might be-which- devices will be connected to the GS308E, -what- and -how- you are going to re-configure your switch(es) repeatedly in 802.1q.
One other thing in regards to this, I don't want to have to reconfigure the switch repeatedly. I really wanted to just set it up and forget about it, as I did with my original switches. I just happened to check the new switch after I had done the setup and realized I could no longer access the web interface. And that led me down the rabbit hole of factory resets and troubleshooting and this forum. LOL.
Had I not tried to access the web interface to double check my setup last week, we wouldn't be here right now!
Pert of the rabbit hole? Since (most of) these Plus switches don't support any kind of management VLAN, you can't have multiple VLANs with DHCP active, untagged frames using the switch DHCP client can (and will!) receive a device config for a random IP subnet - in an unintended way.
Foer example, in case four of the ports on your GS308E are configured for PVID 10, 20, 30, and 40 (to associate incoming frames to the appropriate VLAN) and each as [U]ntagged fro VLAN 10, and so on - all- traffic is visible to the Plus switch uC. While assuming a correct config is in place eg. the DHCP request will go to the intended VLAN, the uC with it's IP stack, DCHP client, as well as the ICMP snooping, which is aloso handled by that very same uC. I -assume- you have these four security device Ethernet ports connected to the same GS308E (permitting the VLAN config is correct), for example the DCHP server for the relevant VLAN (eg, 10, 20, 30, or 40) will receive all DHCP request traffic. So the DHCP server for these subnets will apparently "leak",
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