Q-in-Q Juniper vQFX Lab

Hi there!

I'm working on Juniper vQFX EVE-NG Q-in-Q Lab and successfully configured adding S-VLAN tag (2890) on L-PE<->R-PE link but the problem is that packets are outgoing PE client-faced ports without any tag just like on access port. I described right-left packet flow on the diagram but the same situation happens on R-PE on left-right flow as well. Can anybody explain me why that happens and how to fix that?

Thanks for your answers!

Diagram: https://imgur.com/a/b4dnEn7

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R-CPE Config: https://pastebin.com/dpHvdKgF

R-PE Config: https://pastebin.com/UXrEQExG

L-PE Config: https://pastebin.com/r3wme2zi

L-CPE Config: https://pastebin.com/e4zNZ5CH

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R-CPE xe-0/0/0 outgoing ARP Frame (Wireshark img): https://imgur.com/a/xmzB4lM

R-PE xe-0/0/0 incoming ARP Frame (Wireshark img): https://imgur.com/a/O8cU2aI

R-PE xe-0/0/1 outgoing ARP Frame (Wireshark img): https://imgur.com/a/HPvYVNJ

L-PE xe-0/0/0 incoming ARP frame (Wireshark img): https://imgur.com/a/EldOyrb

L-PE xe-0/0/1 outgoing ARP frame (Wireshark img): https://imgur.com/a/OIzGV41