Juniper Networks offers two primary configuration styles tailored to different types of network environments: Enterprise style and Service Provider style. Both styles use the Junos OS but cater to the distinct operational needs of enterprise IT teams and telecom service providers.
The Enterprise style configuration is hierarchical and user-friendly, designed for ease of use in enterprise networks. It utilizes logical interfaces (e.g., ge-0/0/0.0) under physical interfaces, making it intuitive for integrating features like VLANs and routing protocols.
In contrast, the Service Provider style is flat and interface-centric, often used in large carrier networks where high scalability and performance optimization are critical. This style treats each physical and logical interface more independently, aligning with rigorous routing and traffic engineering demands.
Enterprise Style Configuration:
set interfaces [name] unit 0 family ethernet-switching interface-mode trunk
set interfaces [name] unit 0 family ethernet-switching vlan members [vlan]Service Provider Style Configuration:
set interfaces [name] vlan-tagging
set interfaces [name] encapsulation extended-vlan-bridge
set interfaces [name] unit 2 vlan-id [id]Flexible Ethernet Services Configuration:
set interfaces [name] flexible-vlan-tagging
set interfaces [name] encapsulation flexible-ethernet-services
set interfaces [name] unit 4 encapsulation vlan-bridge
set interfaces [name] unit 4 vlan-id [id]
set interfaces [name] unit 4 family ethernet-switching interface-mode trunk
set interfaces [name] unit 4 family ethernet-switching vlan members [vlan]