•
ATM with ATM Adaptation Layer 5 (AAL5) encapsulation
•
ATM with virtual channel connection (VCC) cell relay encapsulation
•
Ethernet (Fast Ethernet, Gigabit Ethernet, 10-Gigabit Ethernet, bridged Ethernet, bridged
Ethernet/VLAN, Ethernet/VLAN)
NOTE: For the purposes of configuring layer 2 services over MPLS, Ethernet interfaces
and bridged Ethernet interfaces function identically, as do Ethernet/VLAN interfaces
and bridged Ethernet/VLAN interfaces. For simplicity, the term Ethernet in this chapter
refers to both Ethernet interfaces and bridged Ethernet interfaces, and the term
Ethernet/VLAN interfaces refers to both Ethernet/VLAN interfaces and bridged
Ethernet/VLAN interfaces.
•
Frame Relay
•
HDLC
Figure 114 on page 510 illustrates layer 2 services being supported over an Internet service
provider’s MPLS network. Customers using Frame Relay, ATM, or other legacy layer 2
connections to E Series routers are unaware that MPLS tunneling is used.
Figure 114: Layer 2 Services over a Provider’s MPLS Network
Related Topics Layer 2 Services over MPLS Implementation on page 512•
Layer 2 Services over MPLS Platform Considerations
To configure layer 2 services over MPLS, you must first configure the underlying layer 2
service (ATM, bridged Ethernet, Fast Ethernet, Gigabit Ethernet, 10-Gigabit Ethernet,
Frame Relay, or HDLC) and MPLS.
Module Requirements
For information about the modules that support the underlying layer 2 service and MPLS
on ERX14xx models, ERX7xx models, and the ERX310 Broadband Services Router:
•
See ERX Module Guide, Table 1, Module Combinations for detailed module specifications.
•
See ERX Module Guide, Appendix A, Module Protocol Support for information about the
modules that support the underlying layer 2 service and MPLS.
For information about the modules that support the underlying layer 2 service and MPLS
on the E120 or E320 Broadband Services Router:
Copyright © 2010, Juniper Networks, Inc.510
JunosE 11.2.x BGP and MPLS Configuration Guide
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