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Forum Discussion
LordRob
Dec 11, 2017Aspirant
FS728TPv2 unable to access web interface over VPN (Firmware 5.02.48)
I can not access the web GUI or ping to the ip-address of the switch from my voice network although it is all in the same subnet. If I connect a laptop to the switch I am able to get on the we...
- Dec 12, 2017
Hi again,
Okay, so it seems that settings are OK from a VPN perspective.
The issue is that your switch has no Internet access via the management interface. This is a VLAN problem. You are running two VLANs here: 1 and 100. The problem is that your uplink port must trunk both VLANs to the router. Your current port 28 only allows VLAN 100, so that is why VLAN 1 (management VLAN) can't reach the Internet. However, in order for you to trunk (carry) multiple VLANs from the switch to the router, it requires a VLAN aware router. Is your VPN router VLAN aware? Else this is probably not going to work :)
But, there are work-arounds. You could just change the management VLAN of the switch, to VLAN 100 and put it in the same subnet as the VoIP devices. Then it should be work fine accessing it over the VPN. This is likely the easiest for you if you are unfamiliar with VLANs and routing of VLANs! You just need to remember to connect to VLAN 100 if you then want to access the switch GUI locally, on-site.
Thanks
LordRob
Dec 12, 2017Aspirant
I belive that my last post did not come through. In the VPN router there are routes defines 172.17.0.0/16 and 172.18.0.0./16. VoIp devices in the subnets 172.18.x.0/24 can talk to each other.
I can not ping to 8.8.8.8 and 172.18.2.254.
It is something in the VLAN configuration. If I connect my VPN-router to port 23 in stead off port 28 (untagged VLAN100) I get to the web GUI of the switch.
Hopchen
Dec 12, 2017Prodigy
Hi again,
Okay, so it seems that settings are OK from a VPN perspective.
The issue is that your switch has no Internet access via the management interface. This is a VLAN problem. You are running two VLANs here: 1 and 100. The problem is that your uplink port must trunk both VLANs to the router. Your current port 28 only allows VLAN 100, so that is why VLAN 1 (management VLAN) can't reach the Internet. However, in order for you to trunk (carry) multiple VLANs from the switch to the router, it requires a VLAN aware router. Is your VPN router VLAN aware? Else this is probably not going to work :)
But, there are work-arounds. You could just change the management VLAN of the switch, to VLAN 100 and put it in the same subnet as the VoIP devices. Then it should be work fine accessing it over the VPN. This is likely the easiest for you if you are unfamiliar with VLANs and routing of VLANs! You just need to remember to connect to VLAN 100 if you then want to access the switch GUI locally, on-site.
Thanks
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