Juniper JUNOSE 11.1.X - LINK LAYER CONFIGURATION 4-7-2010, Configuration Manual

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VLAN and S-VLAN Configurations
Bridged Ethernet interfaces on E Series routers support the configuration of virtual
local area networks (VLANs) and stacked virtual local area networks (S-VLANs). A
VLAN permits multiplexing multiple higher-level protocols over a single physical port.
An S-VLAN provides a two-level VLAN tag structure, which extends the VLAN ID space
to more than 16 million VLAN tags.
Specifically, you can statically configure the following higher-level protocols over a
VLAN or an S-VLAN subinterface that is stacked above a bridged Ethernet interface:
■
IP
■
MPLS
■
PPPoE
■
Transparent bridging
Figure 42 on page 445 illustrates the interface stacking supported on E Series routers
for VLANs over bridged Ethernet.
Figure 42: Interface Stacking for VLANs over Bridged Ethernet
VLANs and S-VLANs configured over bridged Ethernet interfaces provide the same
basic capabilities as VLANs and S-VLANs configured over Ethernet interfaces, with
the following exception:
Overview
■ 445
Chapter 14: Configuring Bridged Ethernet