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## Monitoring MPLS

This chapter describes the commands you can use to monitor and troubleshoot Multiprotocol Label Switching (MPLS) on E Series routers.

| Note: The E120 and E320 Broadband Services Routers output for monitor and show commands is identical to output from other E Series routers, except that the E120 and E320 router output also includes information about the adapter identifier in the interface specifier (slot/adapter/port).

This chapter contains the following sections:

- Setting the Baseline for MPLS Statistics
- Clearing and Re-Creating Dynamic Interfaces from MPLS Major Interfaces
- Clearing and Refreshing IPv4 Dynamic Routes in the Tunnel Routing Table
- Clearing and Refreshing IPv6 Dynamic Routes in the Tunnel Routing Table
- Tracing Paths Through the MPLS User Plane
- Monitoring ATM VCs and VPI/VCI Ranges Used for MPLS
- Monitoring Global Call Admission Control Configuration
- Monitoring Interfaces Configured with Traffic Engineering Bandwidth Accounting
- Monitoring Virtual Router Configuration
- Monitoring IP and IPv6 Tunnel Routing Tables
- Monitoring LDP
- Monitoring MPLS Label Bindings
- Monitoring LDP Graceful Restart
- Monitoring Interfaces That are Synchronizing with LDP
- Monitoring LDP Interfaces
- Monitoring LDP Neighbors
- Monitoring LDP Profiles
- Monitoring LDP Statistics
- Monitoring LDP Targeted Hello Receive and Send Lists
- Monitoring MPLS Status and Configuration
- Monitoring MPLS Explicit Paths
- Monitoring the RSVP-TE Bypass Tunnels
- Monitoring MPLS Labels Used for Forwarding
- Monitoring MPLS Interfaces
- Monitoring MPLS Minor Interfaces
- Monitoring MPLS Next Hops
- Monitoring the Configured Mapping between PHB IDs and Traffic Class/Color Combinations
- Monitoring RSVP-TE Profiles and MPLS Tunnel Profiles
- Monitoring RSVP Path State Control Blocks, Reservation State Control Blocks, or Sessions
- Monitoring RSVP MD5 Authentication
- Monitoring RSVP-TE Interfaces Where BFD is Enabled
- Monitoring RSVP-TE Interface Counters
- Monitoring RSVP-TE Graceful Restart
- Monitoring RSVP-TE Hello Adjacency Instances
- Monitoring Status and Configuration for MPLS Tunnels
- Verifying and Troubleshooting MPLS Connectivity
- Packet Flow Examples for Verifying MPLS Connectivity

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