Description

In ACX5448, only one (1) Tag Protocol Identifier (TPID) is supported.

Symptoms

Configuration for the TPID:

[edit]
lab@R1# set interfaces xe-0/0/1 flexible-vlan-tagging
[edit]
lab@R1# set interfaces xe-0/0/1 mtu 9192
[edit]
lab@R1# set interfaces xe-0/0/1  encapsulation flexible-ethernet-services                
t interf
[edit]
lab@R1# set interfaces xe-0/0/1 gigether-options ethernet-switch-profile tag-protocol-id 0x8100             
[edit]
lab@R1# set interfaces xe-0/0/1 gigether-options ethernet-switch-profile tag-protocol-id 0x88a8             
[edit]
lab@R1# set interfaces xe-0/0/1 unit 88 encapsulation vlan-vpls
[edit]
lab@R1# set interfaces xe-0/0/1 unit 88 vlan-id 88
[edit]
lab@R1# commit
[edit interfaces xe-0/0/1 gigether-options ethernet-switch-profile]
  'tag-protocol-id 0x88a8'
    Maximum of only 1 TPIDs can be supported per port other than default
error: configuration check-out failed

 
[edit]
lab@R1#
 

Version:

Model: acx5448
Junos: 19.3R2.9
JUNOS OS Kernel 64-bit  [20191120.0ebd4bf_builder_stable_11]
JUNOS OS libs [20191120.0ebd4bf_builder_stable_11]
JUNOS OS runtime [20191120.0ebd4bf_builder_stable_11]
JUNOS OS time zone information [20191120.0ebd4bf_builder_stable_11]

Solution

This behavior is expected. As the above configuration error suggests, this is a limitation with the ACX5448 device.