Hello,
It is not clear what You are actually trying to achieve here.
First, based on Your config You are pushing S-TAG on output from xe-1/0/0.11 and xe-1/0/0.12
set interfaces xe-1/0/0 unit 11 vlan-id 1 set interfaces xe-1/0/0 unit 11 output-vlan-map push ## meaning add tag 1 set interfaces xe-1/0/0 unit 12 vlan-id 12 set interfaces xe-1/0/0 unit 12 output-vlan-map push ## meaning add tag 12
So, if You stop pushing S-TAGs, all frames going out of these IFLs will retain the C-TAGs.
Is that what You are trying to accomplish?
HTH
Thx
Alex