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Author Topic: DES-3526 VLAN Problems  (Read 16442 times)

cassius

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DES-3526 VLAN Problems
« on: March 11, 2014, 09:58:13 AM »

I'm stuck on setting up a VLAN using the CLI of a DES-3526.  Right now, the configuration looks like this:

A Cisco ASR1002 connects to a DES-3526.  That DES-3526 then connects to another DES-3526 which then connects to the Server.  There are 2 vLANs I'm working with, 'default' for management, and 'v2' for Internet.

There are a total of 4 devices.
1 - Cisco (the Cisco router)
2 - DES-3526_A (the 1st switch)
3 - DES-3526_B (the 2nd switch)
4 - Server (the server)

They are connected like this:
Cisco -> DES-3526_A : Port 26
DES-3526_A : Port 5 -> DES-3526_B : Port 26
DES-3526_B : Port 24 -> Server

When I hook up a server to DES-3526_A and untag that port on v2, it works exactly as expected.  However when the Server is connected to DES-3526_B and Port 24 (or any port really) is untagged, it does not work.

Here is a "show vlan" for both DES-3526_A and DES-3526_B.  Does anyone see anything noticeably wrong?  Am I just doing this the wrong way?  Is there something that needs to be enabled to allow switch-to-switch vLAN like this?


=============================
==============
DES-3526_A
==============
VID             : 1          VLAN Name     : default
VLAN TYPE       : static     Advertisement : Enabled
Member ports    : 5,26             
Static ports    : 5,26             
Current Tagged ports   : 5,26             
Current Untagged ports :                     
Static Tagged ports    : 5,26             
Static Untagged ports  :                     
Forbidden ports :                     

VID             : 2          VLAN Name     : v2
VLAN TYPE       : static     Advertisement : Disabled
Member ports    : 1-26               
Static ports    : 1-26               
Current Tagged ports   : 5,26             
Current Untagged ports : 1-4,6-25           
Static Tagged ports    : 5,26             
Static Untagged ports  : 1-4,6-25           
Forbidden ports :                     

==============
DES-3526_B
==============
VID             : 1          VLAN Name     : default
VLAN TYPE       : static     Advertisement : Enabled
Member ports    : 26                 
Static ports    : 26                 
Current Tagged ports   : 26                 
Current Untagged ports :                     
Static Tagged ports    : 26                 
Static Untagged ports  :                     
Forbidden ports :                     

VID             : 2          VLAN Name     : v2
VLAN TYPE       : static     Advertisement : Disabled
Member ports    : 1-26               
Static ports    : 1-26               
Current Tagged ports   : 26                 
Current Untagged ports : 1-25               
Static Tagged ports    : 26                 
Static Untagged ports  : 1-25               
Forbidden ports :                     

=============================


Thanks for any help!
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cassius

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Re: DES-3526 VLAN Problems
« Reply #1 on: March 12, 2014, 10:01:56 AM »

I'm still stuck on this problem, if there's any that can assist.

My understanding is this:
- Ports between DES-3526 switches Tagged within each vLAN that will utilize the physical link
- Ports that end at a server Untagged
- Cisco router is tagging the physical line with the vLAN data, so the switch port it connects to is also Tagged within each vLAN

In the most general of terms, what I understand is that anything that is vLAN-aware should be Tagged, anything that is not is Untagged on the vLAN it applies to.

Thanks for any help.  I've been at this off and on for 3 days now.
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FurryNutz

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    • Router Troubleshooting
Re: DES-3526 VLAN Problems
« Reply #2 on: March 31, 2014, 07:51:58 AM »

I recommend that you phone contact your regional D-Link support office and ask for help and information regarding this. We find that phone contact has better immediate results over using email.
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