Cisco ASR 900 Series User Manual

MPLS Multilink PPP Support in an Interautonomous System 51
How to Configure MPLS Multilink PPP Support 51
Creating a Multilink Bundle 51
Assigning an Interface to a Multilink Bundle 53
Verifying the Multilink PPP Configuration 56
Configuration Examples for MPLS Multilink PPP Support 60
Sample MPLS Multilink PPP Support Configurations 60
Example: Configuring Multilink PPP on an MPLS CSC PE Device 60
Example: Creating a Multilink Bundle 61
Example: Assigning an Interface to a Multilink Bundle 61
CHAPTER 4 MPLS LSP Ping, Traceroute, and AToM VCCV 63
Prerequisites for MPLS LSP Ping, Traceroute, and AToM VCCV 63
Restrictions for MPLS LSP Ping, Traceroute, and AToM VCCV 64
Information About MPLS LSP Ping, Traceroute, and AToM VCCV 64
MPLS LSP Ping Operation 64
MPLS LSP Traceroute Operation 66
Any Transport over MPLS Virtual Circuit Connection Verification 69
AToM VCCV Signaling 70
Selection of AToM VCCV Switching Types 70
Command Options for ping mpls and trace mpls 71
Selection of FECs for Validation 71
Reply Mode Options for MPLS LSP Ping and Traceroute 72
Reply Mode Options for MPLS LSP Ping and Traceroute 73
Packet Handling Along Return Path with an IP MPLS Router Alert 75
Other MPLS LSP Ping and Traceroute Command Options 75
Option Interactions and Loops 79
Possible Loops with MPLS LSP Ping 79
Possible Loop with MPLS LSP Traceroute 80
MPLS Echo Request Packets Not Forwarded by IP 81
Information Provided by the Device Processing LSP Ping or LSP Traceroute 82
MTU Discovery in an LSP 83
LSP Network Management 85
ICMP ping and trace Commands and Troubleshooting 85
MPLS LSP Ping and Traceroute Discovers LSP Breakage 85
MPLS Basic Configuration Guide, Cisco IOS XE Everest 16.5.1 (Cisco ASR 900 Series)
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Contents

Cisco ASR 900 Series Specifications

General

Brand	Cisco
Model	ASR 900 Series
Category	Network Router
Language	English