How to add double tag for untagged trafic on Extreme Summit

By | 31.05.2019

This article describes the case when you need to add a double tag on untagged traffic. Extreme XOS has this feature starting from software 16.2. This is supported on platforms:

– Summit X430, X440, X450-G2, X460, X460-G2, X480, X670, X670-G2, X770 series switches
– BlackDiamond X8 and 8000 series switches. (except BD8K: G48Te2, G24Xc, G48Xc, G48Tc, 10G4Xc, 10G8Xc, S-G8Xc, S-10G1Xc, S-10G2Xc, and 8500-series)
– E4G-200 and E4G-400 cell site routers

In the example below, the outer tag 10 and the inner tag 1000 will be added to all untagged traffic.

configure vman ethertype 0x8100
create vman "QinQ-vlan"
configure vman QinQ-vlan tag 10
configure vman  QinQ-vlan add ports 12 untagged port-cvid 1000 

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