[Asterisk-Users] Grandstream and VLANs

Wojciech Tryc wojtek at tryc.ca
Mon Feb 28 14:45:38 MST 2005


Yes, I guess I will have to start looking at the packets.
BTW: if I set the port to which grandstream is plugged to untagged vlan and 
leave the default VLAN 0 on the phone then everything works just fine....
W
----- Original Message ----- 
From: "Colin Anderson" <ColinA at landmarkmasterbuilder.com>
To: "'Asterisk Users Mailing List - Non-Commercial Discussion'" 
<asterisk-users at lists.digium.com>
Sent: Monday, February 28, 2005 4:38 PM
Subject: RE: [Asterisk-Users] Grandstream and VLANs


> I'd try as "The Tyrant" always suggests and make it as simple as possible
> i.e.
>
> -Isolate the phone to a seperate switch that supports VLAN
> -Plug in a PC to the same switch
> -Turn OFF VLAN-ing on the switch, PC & phone
> -Assign a static IP to the PC & phone
> -Fire up Ethereal on the PC, start recording, ping the phone.
> -Examine the output. You should get something.
> -VLAN the two ports from the switch, assuming it's managed. Ping the phone
> again, and examine the output. Again, you should see something
> -VLAN the PC to the same VLAN as the switch. Make sure you change the
> Ethereal capture to the VLAN interface on the PC. Ping the phone. You 
> should
> get nothing from the phone.
> -VLAN the phone and ping it. You should get something.
>
> Somewhere along the way, you should get enough information to make a
> deduction about what the GS is doing. It wouldn't suprise me if GS's 
> VLANing
> is poopoo; everything about these phones seems to be "sacrifice quality at
> all cost". My users hate them. HTH.
>
>
> -----Original Message-----
> From: Wojciech Tryc [mailto:wojtek at tryc.ca]
> Sent: Monday, February 28, 2005 2:07 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] Grandstream and VLANs
>
>
> Yes :)
> It's not DHCP as the phone won't work even with statically assigned IP. It
> basically looks like Grandstream is tagging and/or reading the tagged
> packets incorectly.
> W
> ----- Original Message ----- 
> From: "Colin Anderson" <ColinA at landmarkmasterbuilder.com>
> To: "'Asterisk Users Mailing List - Non-Commercial Discussion'"
> <asterisk-users at lists.digium.com>
> Sent: Monday, February 28, 2005 3:47 PM
> Subject: RE: [Asterisk-Users] Grandstream and VLANs
>
>
>> >I can not even get IP anymore from my DHCP
>>
>> Hate to ask the obvious, but is the DHCP server on the same VLAN?
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