Junos® OS Ethernet Interfaces Configuration ... - Juniper Networks

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Dynamically configuring VLANs or stacked VLANs requires the following general steps:
1. Configure a dynamic profile for dynamic VLAN or dynamic stacked VLAN creation.
2. Associate the VLAN or stacked VLAN dynamic profile with the interface.
3. Specify the Ethernet packet type that the VLAN dynamic profile accepts.
4. Define VLAN ranges for use by the dynamic profile when creating VLAN IDs.
For procedures on how to configure dynamic VLANs and dynamic stacked VLANs for
client access, see the Junos OS Subscriber Management, Release 12.3.
•
802.1Q VLANs Overview on page 53
• Junos® OS Ethernet Interfaces
802.1Q VLAN IDs and Ethernet Interface Types
You can partition the router into up to 4095 different VLANs—depending on the router
model and the physical interface types—by associating logical interfaces with specific
VLAN IDs.
VLAN ID 0 is reserved for tagging the priority of frames. VLAN IDs 1 through 511 are reserved
for normal VLANs. VLAN IDs 512 and above are reserved for VLAN circuit cross-connect
(CCCs).
Copyright © 2012, Juniper Networks, Inc.
For Gigabit Ethernet IQ interfaces and Gigabit Ethernet PICs with SFPs (except the 10-port
Gigabit Ethernet PIC and the built-in Gigabit Ethernet port on the M7i router), you can
configure flexible Ethernet services encapsulation on the physical interface. With flexible
Ethernet services encapsulation, VLAN IDs from 1 through 511 are no longer reserved for
normal VLANs.
The maximum number of user-configurable VLANs is 15 on each port of the Dense-FE
PIC (8-port/12-port/48-port).
Table 3 on page 55 lists VLAN ID range by interface type.
Table 3: VLAN ID Range by Interface Type
Interface Type
Aggregated Ethernet for Fast Ethernet
Aggregate Ethernet for Gigabit Ethernet
4-port, 8-port, and 12-port Fast Ethernet
48-port Fast Ethernet
Tri-Rate Ethernet copper
Gigabit Ethernet
Chapter 3: Configuring 802.1Q VLANs
VLAN ID Range
1 through 1023
1 through 4094
1 through 1023
1 through 4094
1 through 4094
1 through 4094
55