Posted on June 18, 2019 6:40 pm
 |  Asked by Diego Mayan
 |  89 views
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Hi,

I have a 7050S-52R (4.14.6M, inherited, we have no support contract) that receives a few vlans from our provider, that we use to connect with remote cities (We are an ISP). One of these VLANS has another VLAN encapsulated, that we need as a normal VLAN on another port, as following.

The interface is configured as following:

interface Ethernet1
description ARSAT-TEN
load-interval 60
speed forced 10000full
switchport trunk allowed vlan 100,110-114,120-121
switchport mode trunk

On VLAN 112, we receive VLAN 25, inside, wich I need to trunk to another port of this switch.

How can I acomplish this, if it is possible? The outer VLANS can’t be changed, as they are the VLANs that our upstream provider uses to interconnect our branches.

Thanks in advance and sorry for poor english, Diego

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Posted by Manuel Lai
Answered on June 21, 2019 10:33 am

Hi Diego

Please refer to L2 support matric form 7050S switches:
https://www.arista.com/en/support/product-documentation/supported-features

Unfortunately, Selective Q-in-Q and Dual Tag VLAN manipulation are not supported on this platform.

Regards

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