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Forum Discussion
POEsystem1246
Nov 16, 2023Aspirant
GS305P bocks connection to Internet
Unable to connect through this unmanaged switch. Direct to Comcast modem is ok. The switch is used for a 4 camera surveillance system on Windows 10.
9 Replies
- schumakuGuru - Experienced User
Just a little bit confusing. Four cameras and a PC and a Comcast Modem - with just five ports?
Does this Comcast modem also serve act as a router, serving the LAN for DHCP, assigning private IP addresses to the cameras and the PC?
- I’m sorry. 4 camera capable. I only have 1 camera. The switch is used on the PC. The switch is connected to the Xfinity router/modem. The switch is only connected to Xfinity periodically to update, then disconnected.
- schumakuGuru - Experienced User
Please tell us more about the switch link and activity LED.
Does the PC get an IP address assigned from the router DHCP server? Show the ipconfig details
C:\>ipconfig
Windows-IP-Konfiguration
Ethernet-Adapter Ethernet :
Verbindungsspezifisches DNS-Suffix: xxx.xxxxx.xx
IPv6-Adresse. . . . . . . . . . . : ...
Temporäre IPv6-Adresse. . . . . . : ...
Verbindungslokale IPv6-Adresse . : ...IPv4-Adresse . . . . . . . . . . : 192.168.1.225
Subnetzmaske . . . . . . . . . . : 255.255.255.0
Standardgateway . . . . . . . . . : 192.168.1.254How is that single camera connected - do you see from the unknown recorder software if the camera is on that very same IP subnet, too?
Can you login to the Comcast router via it's LAN IP, and locate the list of connected devices - MAC addresses and LAN IPv4 addresses?
- “Does this Comcast modem also serve act as a router, serving the LAN for DHCP, assigning private IP addresses to the cameras and the PC?“
Yes. The modem does everything but I believe I need to do some stuff in the PC surveillance app and Windows.
- I have the Comcast cable modem with WiFi and 4 Ethernet ports (3 available). The POE camera is an Amcrest IP5M-T1179EW-36MM and the unmanaged switch is a Netgear GS305P. IIR, the issues began when I connected the switch. I’ve reconnected the camera directly to the Optiplex 7040 (1 Ethernet port) to see if Xeoma (surveillance software) can see the camera.
Of the unmanaged switch, I see that ports 1-4 are marked as POE and #5 is not identified as for POE.
When Xeoma can see the camera, I would like to know how to connect the unmanaged switch to the Ubuntu box. At that time I’ll look at the cable box’s IP settings.- FURRYe38Guru - Experienced User
Since port 5 is not PoE supporting, I would connect the GS305P to the host router using port #5. Connect any PoE ethernet devices to ports 1 thru 4 on the GS switch. Connecting other non PoE devices, PCs or laptops, to the host routers LAN ports and then you should be able to access devices that are connected to the GS switches PoE ports for there web pages.
POEsystem1246 wrote:
I have the Comcast cable modem with WiFi and 4 Ethernet ports (3 available). The POE camera is an Amcrest IP5M-T1179EW-36MM and the unmanaged switch is a Netgear GS305P. IIR, the issues began when I connected the switch. I’ve reconnected the camera directly to the Optiplex 7040 (1 Ethernet port) to see if Xeoma (surveillance software) can see the camera.
Of the unmanaged switch, I see that ports 1-4 are marked as POE and #5 is not identified as for POE.
When Xeoma can see the camera, I would like to know how to connect the unmanaged switch to the Ubuntu box. At that time I’ll look at the cable box’s IP settings. - schumakuGuru - Experienced User
On IEEE industry standard compliant PoE, PoE+, and PoE++ switches (802.3af, 802.3at, 802.3be), there is a signalling and/or handshke before poower is applied to the port, the line, and the PD, the powered device.You can connect and Ethernet device to any port, regardless if its PoE port, or not.
Things might be different on cheap "passive-PoE" systems.
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