Cisco ASR 900 Series User Manual

MPLS Multilink PPP Support in a CSC Network
The figure below shows a typical Multiprotocol Label Switching (MPLS) Virtual Private Network (VPN)
Carrier Supporting Carrier (CSC) network where Multilink PPP (MLP) is configured on the CSC customer
edge (CE)-to-provider edge (PE) links.
Figure 3: MLP on CSC CE-to-PE Links with MPLS VPN Carrier Supporting Carrier
The MPLS Multilink PPP Support feature supports MLP between CSC-CE and CSC-PE links with the Label
Distribution Protocol (LDP) or with external Border Gateway Protocol (eBGP) IPv4 label distribution. This
feature also supports link fragmentation and interleaving (LFI) for an MPLS VPN CSC configuration. The
figure below shows all MLP links that this feature supports for CSC configurations.
Figure 4: MLP Supported Links with MPLS VPN Carrier Supporting Carrier
MPLS Basic Configuration Guide, Cisco IOS XE Everest 16.5.1 (Cisco ASR 900 Series)
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MPLS Multilink PPP Support
MPLS Multilink PPP Support in a CSC Network

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English