[Asterisk-Users] Re: Grandstream and VLANs
Wojciech Tryc
wojtek at tryc.ca
Tue Mar 1 12:43:10 MST 2005
Do you know if there is a way around it? I can not use untagged VLANs as the
phone and the PC are on physically seperate networks...Well, I know , I can
just run 2 ethernet cables....
W
----- Original Message -----
From: "Bartosz Jozwiak" <bartek at cq-link.sr>
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<asterisk-users at lists.digium.com>
Sent: Tuesday, March 01, 2005 7:08 AM
Subject: Re: [Asterisk-Users] Re: Grandstream and VLANs
>>> Just a couple of guesses:
>>>
>>> Have you configured the switch to supply a VLAN trunk to the phone?
>> Yes
>>
>>> Since the phone lets you configure actual tagging, that's what it
>>> needs; if you've just enabled VLANs on the switch, and placed the port
>>> the phone is on in a specific VLAN, the phone should not have tagging
>>> enabled.
>> Exactly, both phone and the switch are configured to use tagging and to
>> use the same VLAN #
>>
>>>
>>> If you've got the switch doing trunk mode on that port, and the phone
>>> set up to use the right VLAN within the trunk, are you perhaps using a
>>> Cisco switch, and have accidentally set it up to use ISL encapsulation
>>> (Cisco's proprietary method) on the trunk? The phone does 802.1Q, so
>>> Cisco switches need "switchport trunk encapsulation dot1q" on the
>>> trunking interface.
>> No, I am using the HP Pro Curve, Haven't tried Cisco yes but I woul
>> assume that my switches are operating just fine
>>
>> Thanks,
>> Wojtek
>>
>
> I have the same problem with VLAN and Grandstream BG phone.
> I am using HP switches.
> There is a bug in the firmware of the phone, Grandstream tech. knows about
> it already.
>
> B.
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