[bdNOG] VLAN limitation in Nexus switch

A.W.M Tawhidul Islam Bhuiyan tawhid at link3.net
Tue Oct 9 07:32:16 BDT 2018


Yes, it will work with MST mode. 

Regards, 

Md. Tawhidul Islam Bhuiyan, 
----- Original Message -----

From: "Farhad Ahmed" <farhad.ctg at gmail.com> 
To: tawhid at link3.net 
Cc: almahmud880 at yahoo.com, "nog" <nog at bdnog.org>, niamul at aalokit.net 
Sent: Tuesday, October 9, 2018 12:32:31 AM 
Subject: Re: [bdNOG] VLAN limitation in Nexus switch 

Dear Mr Mahmood, 

You need to be in MST mode to get the full 4000 by what it shows in doc below 

3 507 VLANs in PVRST mode. 512 VLANs in RPVST mode where 507 are user-defined VLANs, and 4,000 VLANs in MST mode 

http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3000/sw/configuration_limits/503_u2_2/b_Nexus3K_Configuration_Limits_for_Cisco_NXOS_Release_503_u2_2.html 

Hope it helps 


Regards, 


Farhad 

On Mon, Oct 8, 2018 at 8:34 PM Md. Tawhidul Islam Bhuiyan < tawhid at link3.net > wrote: 


Dear Mahmud, 

You need to set vtp mode transparent in order to use vlan more than 507. 

Regards, 


Md. Tawhidul Islam Bhuiyan, 
Assistant Manager, Network Operation, 


Link3 Technologies Ltd. 
Bulu Ocean Tower(17th flr), 
40, Kamal Atarturk Avn, 
Banani, Dhaka-1213. 
Cell: 01787667037 
Email : tawhid at link3.net 



-------- Original Message -------- 
Subject: Re: [bdNOG] VLAN limitation in Nexus switch 
From: "Md. Abdullah Al Mahmud" 
To: nog at bdnog.org ,"S. M. Niamul Haque" 
CC: 



<blockquote>

Thanks for your reply. 
"spanning-tree extend system-id" is not working.. 

Mahmud 


On Monday, October 8, 2018, 7:58:02 PM GMT+6, S. M. Niamul Haque < niamul at aalokit.net > wrote: 




try 

spanning-tree extend system-id 


On 08-Oct-18 19:52, Md. Abdullah Al Mahmud wrote: 

<blockquote>



Hi, 

We are Using cisco Nexus 3064 Chassis. 
This swich can't permit to create VLAN more than 507. When we go to create more than 507 vlan, it shows " ERROR: No VLAN resource available for VLAN creation". Same version another switch shows " ERROR: VLAN creation failed : Maximum vlan limit reached for RSTP mode" 

System version : version 6.0(2)U6(8) of our all switches. 
Could anybody help me how to overcome this limitation? 

Thanks 
Mahmud 

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</blockquote>

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</blockquote>



-- 
Regards, 
Farhad Ahmed 
Head of IT Infrastructure 
IPAY Systems Limited 
Mobile: +8801711082118 
Email: farhad.ahmed at ipay.com.bd 
farhad.ctg at gmail.com 
www.ipay.com.bd 


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