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List:       cisco-nsp
Subject:    Re: [c-nsp] 6500 to nexus internal vlans
From:       Rob Taylor <robetayl () cisco ! com>
Date:       2011-01-28 15:06:20
Message-ID: 4D42DB6C.3020308 () cisco ! com
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I believe the plan is to add this feature in the 5.2 release.  
CSCsh79698 is tracking this capability.

Rob

On 1/28/2011 9:51 AM, Jeff Fitzwater wrote:
> We are looking upgrading one of our 6500 to a nexus 7000, but I see that the nexus \
> uses the following internal vlans that cannot be used or changed as stated in the \
> doc .... 
> ----------
> Found in... Cisco Nexus 5000 Series NX-OS Software Configuration Guide
> 
> NVLANs 3968 to 4047 and 4094 are reserved for internal use; these VLANs cannot be \
> changed or used. Cisco NX-OS allocates a group of 80 VLAN numbers for those \
> features, such as multicast and diagnostics, that need to use internal VLANs for \
> their operation. By default, the system allocates VLANs numbered 3968 to 4047 for \
> internal use. VLAN 4094 is also reserved for internal use by the switch. 
> You cannot use, modify, or delete any of the VLANs in the reserved group. You can \
> display the VLANs that are allocated internally and their associated use. 
> 
> ---------
> 
> 
> We are currently using some of these vlans and it would be very difficult to change \
> 100s of switches. 
> 
> Is there some way around this issue ?
> 
> Thanks for any help.
> 
> 
> 
> Jeff Fitzwater
> OIT Network Systems
> Princeton University
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> 

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