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VoIP VLAN Setup

VoIP VLAN Setup

VoIP VLAN Setup
VoIP VLAN Setup
2025-05-09 14:45:43 - last edited 2025-05-12 02:36:28
Tags: #VLAN & Multi-Networks #Configuration #QoS
Model: SG2008P  
Hardware Version: V3
Firmware Version: 3.20.9 Build 20250307 Rel.72554

Fairly small network but we're adding voip phones soon and I'm beginning to prepare. Want to have them on their on VLAN for QOS purposes and just to keep them segregated. Probably obvious there.  Anyway, I did create a VLAN (99) and thought I had everything correct.  Our phone system components came in and I connected the server/processor to the network so I could begin configuring it.  It initially grabbed an IP on the main network, as expected, and I could login on the initial setup web interface for it. Through that process there's a place where you can designed the VLAN ID and it will reboot and is supposed to grab an IP from that network.  Well, when it rebooted it simply said "No IP".  Tried rebooting a couple other times with the same result.  I don't think this part matters but it's a Grandstream UCM6300 series system.  

 

I'm assuming I missed a step somewhere in the VLAN config but I'm not seeing it.  It's setup as an Interface VLAN with a /24 range.   Any tips or ideas for me to check?  

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#1
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1 Accepted Solution
Re:VoIP VLAN Setup-Solution
2025-05-12 01:39:01 - last edited 2025-05-12 02:36:28

Hi @msc03 

Thanks for posting in our business forum.

That VLAN is only a VLAN ID, not a VLAN interface. No IP means you don't have a VLAN interface.  

 

 

How to Set Up VLAN Interface on the Omada Router

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#2
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Re:VoIP VLAN Setup-Solution
2025-05-12 01:39:01 - last edited 2025-05-12 02:36:28

Hi @msc03 

Thanks for posting in our business forum.

That VLAN is only a VLAN ID, not a VLAN interface. No IP means you don't have a VLAN interface.  

 

 

How to Set Up VLAN Interface on the Omada Router

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#2
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Re:VoIP VLAN Setup
2025-05-12 04:01:55

  @Clive_A 

 

Well, we set it up as VLAN Interface so we could set DHCP range, etc.  Stil wouldn't work.  Thus the question here.  I will read up on the linked document and come back here if that doesn't work (I've followed steps before and still have issues but I'll try again). 

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#3
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Re:VoIP VLAN Setup
2025-05-12 05:42:10

Hi @msc03 

Thanks for posting in our business forum.

msc03 wrote

  @Clive_A 

 

Well, we set it up as VLAN Interface so we could set DHCP range, etc.  Stil wouldn't work.  Thus the question here.  I will read up on the linked document and come back here if that doesn't work (I've followed steps before and still have issues but I'll try again). 

If you are sure that it is configured properly, examine if you have set the VLAN correctly. PVID.

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Re:VoIP VLAN Setup
2025-05-12 17:02:29 - last edited 2025-05-12 17:02:57

@Clive_A 

I am pretty certain that I had followed all instructions but what I ran into is the UCM6302 server nor the phones will pull an IP if I tell them to use VLAN 99 (the voip VLAN I created). I couldn't figure out why DHCP wasn't working. And if I set a static IP, in Omada it would show the device connected but IP would be blank like it wasn't seeing or assigning the IP (and I couldn't ping or get to the web interface of the server or phones on the voip system). Very strange based on what I saw in videos and online help/instructions.

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Re:VoIP VLAN Setup
2025-05-13 00:47:37

  @msc03 

msc03 wrote

@Clive_A 

I am pretty certain that I had followed all instructions but what I ran into is the UCM6302 server nor the phones will pull an IP if I tell them to use VLAN 99 (the voip VLAN I created). I couldn't figure out why DHCP wasn't working. And if I set a static IP, in Omada it would show the device connected but IP would be blank like it wasn't seeing or assigning the IP (and I couldn't ping or get to the web interface of the server or phones on the voip system). Very strange based on what I saw in videos and online help/instructions.

If you expect someone to help, at least post the config and what you've configured to make it happen.

Based on what you described, I can say that if you followed the guide and everything you have is correct, that would be strange. Never seen a case like this in 5 years of work across all the VLANs and brands I use.

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