Question: Is there any known issue with co-existing an un-tagged and a tagged sub-interface on the same physical port with Versa today?
Answer: There are no known issues with tagged and un-tagged sub- interfaces on same physical port. and it should work well and below is the config Eg :
admin@Silver-Customer-CPE1-cli(config)% show interfaces vni-0/2 enable true; unit 0 { vlan-id 0; =====================> Untagged Interface family { inet { address 2.2.2.2/24; } } } unit 3001 { vlan-id 3001; ===================> Tagged Interface enable true; family { inet { address 192.168.1.1/24; } inet6 { address 2001:192:168:1::1/64; mode router; } } } unit 3501 { vlan-id 3501; ===================> Tagged Interface enable true; family { inet { address 172.16.1.1/24; } inet6 { address 2001:172:16:1::1/64; mode router; } } }