Hardware, Installation, Up2Date, Licensing vDSL and VLAN tagging issue

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vDSL and VLAN tagging issue

Mohamed Hassan over 6 years ago

Hi Guys,

I've switched from DSL to vDSL PPPOE and having issues getting the link up. What I did:

Put the vDSL modem on bridged mode

Checked VDSL checkbox

Tried without VDSL and doesn't work

Used VLAN 100 in the WAN interface as I can see my provider using VLAN 100 when changing connection mode to bridged

What do you guys think is wrong here? I attached screenshot of my UTM and modem.

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0 BAlfson over 6 years ago

What does the provider's tech support say about the VLAN 100, Mohamed?

What do you see in the logs when you try to connect?

Cheers - Bob

Sophos UTM Community Moderator
Sophos Certified Architect - UTM
Sophos Certified Engineer - XG
Gold Solution Partner since 2005

MediaSoft, Inc. USA
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0 Mohamed Hassan over 6 years ago in reply to BAlfson

My ISP use vlan 100 that's from their auto configuration and online guides.

I was able to make the connection without unticking the VDSL option but don't understand why it worked?
Is there any difference between the options? I can only see VDSL changes to MTU size.
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0 Ol Deda over 6 years ago in reply to Mohamed Hassan

You have to tag VLAN only to one interfac. In the modem or in UTM, not both
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0 Ol Deda over 6 years ago in reply to Mohamed Hassan

You have to tag VLAN only to one interfac. In the modem or in UTM, not both
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0 Mohamed Hassan over 6 years ago in reply to Ol Deda

Hey Oldeda. I tried untagging my modem which is on bridged mode and tag my UTM interface but won't work.

I can't untag my UTM interface the default is always set to VLAN 7 even if I remove it.
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0 Ol Deda over 6 years ago in reply to Mohamed Hassan

Sure you can't untag UTM interface as VDSL is Checked. VDSL works on VLAN Base.
Tag vlan100 to modem, and in UTM use simpl PPPOE without VDSL.

The MTU Size is 1476 but you can find the MTU size with ping (once connected)
Ask your ISP for correct VLAN remeber
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