JUNOSe 10.3.x BGP and MPLS Configuration Guide

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About the Documentation
E Series and JUNOSe Documentation and Release Notes
Audience
E Series and JUNOSe Text and Syntax Conventions
Obtaining Documentation
Documentation Feedback
Requesting Technical Support
Configuring BGP Routing
Overview
Conventions in This Chapter
Autonomous Systems
BGP Speaker
BGP Peers and Neighbors
BGP Session
IBGP and EBGP
Interior Gateway Protocols
BGP Messages
BGP Route
Routing Information Base
Prefixes and CIDR
Path Attributes
Transit and Nontransit Service
IPv6 BGP Support
Exchange of IPv6 Routing Information over TCP IPv4
Exchange of IPv6 Routing Information over TCP IPv6
Link-Local Next Hops in MP-BGP Packets
Platform Considerations
References
Features
Before You Configure BGP
Configuration Tasks
Basic Configuration
Enabling BGP Routing
Understanding BGP Command Scope
Inheritance of Configuration Values
Limitations on Inheritance
Setting the BGP Identifier
Configuring Neighbors
Configuring BGP Peer Groups
Setting the Peer Type
Assigning a Description
Logging Neighbor State Changes
Specifying a Source Address for a BGP Session
Specifying Peers That Are Not Directly Connected
Specifying a Single-Hop Connection for IBGP Peers
Controlling the Number of Prefixes
Removing Private AS Numbers from Updates
Checking AS Path Length
Enabling MD5 Authentication on a TCP Connection
Setting the Maximum Size of Update Messages
Setting Automatic Fallover
Setting Timers
Automatic Summarization of Routes
Administrative Shutdown
Configuring BGP for Overload Conditions
Enabling Route Storage in Adj-RIBs-Out Tables
Effects of Changing Outbound Policies
Configuring the Address Family
Enabling Lenient Behavior
Configuring Promiscuous Peers and Dynamic Peering
Configuring Passive Peers
Advertising Routes
Prefixes Originating in an AS
Advertising Best Routes
Redistributing Routes into BGP
Redistributing Routes from BGP
Configuring a Default Route
Advertising Default Routes
Redistributing Default Routes
Setting a Static Default Route
Setting the Minimum Interval Between Routing Updates
Aggregating Routes
Advertising Inactive Routes
Verifying an AS Path
Advertising IPv4 Routes Between IPv6 BGP Peers
Advertising Routes Conditionally
Advertising a Route Only When Another Route is Present
Advertising a Route Only When Another Route is Absent
Advertising a Default Route Only When Another Route Is Present
Configuring BGP Routing Policy
Types of BGP Route Maps
Applying Table Maps
Access Lists
Filtering Prefixes
Filtering AS Paths with a Filter List
Filtering AS Paths with a Route Map
Configuring the Community Attribute
Community Lists
Resetting a BGP Connection
Changing Policies Without Disruption
Soft Reconfiguration
Route-Refresh Capability
Cooperative Route Filtering
Configuring Route Flap Dampening
Global Route Flap Dampening
Policy-Based Route Flap Dampening
Policy Testing
Selecting the Best Path
BGP Path Decision Algorithm
Configuring Next-Hop Processing
Next Hops
Next-Hop-Self
Assigning a Weight to a Route
Using the neighbor weight Command
Using a Route Map
Using an AS-Path Access List
Configuring the Local-Pref Attribute
Using the bgp default local-preference Command
Using a Route Map to Set the Local Preference
Understanding the Origin Attribute
Understanding the AS-Path Attribute
Configuring a Local AS
Configuring the MED Attribute
Missing MED Values
Comparing MED Values Within a Confederation
Capability Negotiation
Cooperative Route Filtering
Dynamic Capability Negotiation
Four-Octet AS Numbers
Graceful Restarts
Route Refresh
Interactions Between BGP and IGPs
Synchronizing BGP with IGPs
Disabling Synchronization
Setting the Administrative Distance for a Route
Configuring Backdoor Routes
Setting the Maximum Number of Equal-Cost Multipaths
Detecting Peer Reachability with BFD
BFD and BGP Graceful Restart
Managing a Large-Scale AS
Configuring a Confederation
Configuring Route Reflectors
Route Reflection and Redundancy
Route Reflection and Looping
Configuring BGP Multicasting
Monitoring BGP Multicast Services
Using BGP Routes for Other Protocols
Configuring BGP/MPLS VPNs
Testing BGP Policies
Monitoring BGP
MPLS Overview
MPLS Overview
Conventions for MPLS Topics
MPLS Terms and Acronyms
MPLS Features
MPLS Platform Considerations
MPLS References
MPLS Label Switching and Packet Forwarding
MPLS LSRs
MPLS Label Switching: Push, Look Up, and Pop
MPLS Label Stacking
MPLS Labels and Label Spaces
TTL Processing in the Platform Label Space
TTL Processing on Incoming MPLS Packets
TTL Processing on Outgoing MPLS Packets
Rules for Processing on an LSR
Rules for Processing on an LER
MPLS Rules for TTL Expiration
MPLS Label Distribution Methodology
Mapping IP Data Packets onto MPLS LSPs
Statistics for IP Packets Moving On or Off MPLS LSPs
MPLS Forwarding and Next-Hop Tables
Spoof Checking MPLS Packets
IP and IPv6 Tunnel Routing Tables and MPLS Tunnels
Explicit Routing for MPLS
MPLS Interfaces and Interface Stacking
MPLS Major Interfaces
MPLS Minor Interfaces
MPLS Shim Interfaces
Interface Stacking
MPLS Label Distribution Protocols
LDP Messages and Sessions
RSVP-TE Messages and Sessions
RSVP-TE State Refresh and Reliability
BGP Signaling
ECMP Labels for MPLS
MPLS Connectivity and ECMP
Supported TLVs
MPLS Connectivity Verification and Troubleshooting Methods
LDP Discovery Mechanisms
LDP Basic Discovery Mechanism
LDP Extended Discovery Mechanism
MPLS Traffic Engineering
LSP Backup
Path Option
Reoptimization
Methods for Configuring RSVP-TE Tunnels
Tracking Resources for MPLS Traffic Engineering
Starting Admission Control
Admission Control Interface Table
Configuring Traffic-Engineering Resources
LSP Preemption
Topology-Driven LSPs
LDP over RSVP-TE
LDP Graceful Restart
LDP-IGP Synchronization
Synchronization Behavior During Graceful Restart
Synchronization Behavior on LAN Interfaces
Synchronization Behavior on IGP Passive Interfaces
Synchronization and TE Metrics
Determining Peer Reachability with RSVP-TE Hello Messages
Hello Message Objects
Hello Message Instances
Sequence of Hello Message Exchange
Determination That a Peer Has Reset
Behavior of the Requesting Peer
Behavior of the Acknowledging Peer
Behavior of Both Peers
RSVP-TE Graceful Restart
Announcement of the Graceful Restart Capability
Restarting Behavior
Recovery Behavior
Preservation of an Established LSP Label
RSVP-TE Hellos Based on Node IDs
BFD Protocol and RSVP-TE
Tunneling Model for Differentiated Services Overview
Pipe and Short Pipe Models
Uniform Model
EXP Bits for Differentiated Services Overview
Incoming Traffic
Outgoing Traffic
Setting the EXP Bits for Outgoing Traffic
Point-to-Multipoint LSPs Overview
Using E Series Routers as Egress LSRs
Point-to-Multipoint LSPs Configuration
Configuring an E Series Router as an Egress Router
Configuring MPLS
Basic MPLS Configuration Tasks
MPLS Global Configuration Tasks
MPLS Global Tasks
LDP Global Tasks
RSVP-TE Global Tasks
LDP and RSVP-TE Interface Profile Configuration Tasks
LDP Interface Profile Configuration Tasks and Commands
RSVP-TE Interface Profile Configuration Tasks and Commands
MPLS Interface Configuration Tasks
MPLS Interface Tasks
LDP Interface Tasks
RSVP-TE Interface Tasks
MPLS Tunnel Configuration Tasks
MPLS Tunnel Profile Configuration Tasks
Configuring Explicit Routing for MPLS
Defining Configured Explicit Paths
Specifying Configured Explicit Paths on a Tunnel
Configuring Dynamic Explicit Paths on a Tunnel
Additional LDP Configuration Tasks
Configuring LDP FEC Deaggregation
Configuring LDP Graceful Restart
Configuring LDP Autoconfiguration
Configuring LDP-IGP Synchronization
Configuring LDP MD5 Authentication
Controlling LDP Label Distribution
Additional RSVP-TE Configuration Tasks
Configuring RSVP MD5 Authentication
Configuring RSVP-TE Fast Rerouting with RSVP-TE Bypass Tunnels
Configuration Example
Fast Reroute over SONET/SDH
Configuring RSVP-TE Hello Messages to Determine Peer Reachability
Configuring RSVP-TE Graceful Restart
Configuring RSVP-TE Hellos Based on Node IDs
Configuring the BFD Protocol for RSVP-TE
Configuring IGPs and MPLS
Configuring IGPs and MPLS
Configuring the IGPs for Traffic Engineering
Configuring MPLS and Differentiated Services
Configuring the Tunneling Model for Differentiated Services
Configuring EXP Bits for Differentiated Services
Example Differentiated Services Application and Configuration
Differentiated Services Configuration Example
Classifying Traffic for Differentiated Services
Configuring Static EXP-to-PHB Mapping
Signaled Mapping for RSVP-TE Tunnels
Preference of per-VR Versus per-LSP Behavior
Example Traffic Class Configuration for Differentiated Services
Configuration on the Ingress Router
Configuration on the Ingress and Transit Routers
Configuration on the Transit and Egress Routers
Monitoring MPLS
Setting the Baseline for MPLS Statistics
Setting a Baseline for MPLS Major Interface Statistics
Enabling and Setting a Baseline for MPLS Forwarding Table Statistics
Enabling and Setting a Baseline for MPLS Next-Hop Table Statistics
Setting a Baseline for MPLS Tunnel Statistics
Enabling Statistics Collection for Policies Attached to MPLS Tunnels
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
Packet Flow Examples for Verifying MPLS Connectivity
Packet Flow Examples for MPLS LSPs to an IP Prefix
Packet Flow Example for the ping mpls Command
Packet Flow Example for the trace mpls Command
Packet Flows for ping and trace to L3VPN IPv4 Prefixes
Inter-AS Topology
Packet Flows to L3VPN IPv6 Prefixes
Verifying and Troubleshooting MPLS Connectivity
Sending an MPLS Echo Request Packet to an IP or IPv6 Address
Tracing the Path of an MPLS Echo Request Packet to an IP or IPv6 Address
Sending an MPLS Echo Request Packet to a Martini Circuit
Tracing the Path of an MPLS Echo Request Packet to a Martini Circuit
Sending an MPLS Echo Request Packet to an L3VPN IP or IPv6 Prefix
Tracing the Path of an MPLS Echo Request Packet to an L3VPN IP or IPv6 Prefix
Sending an MPLS Echo Request Packet to an RSVP-TE Tunnel
Tracing the Path of an MPLS Echo Request Packet to an RSVP-TE Tunnel
Sending an MPLS Echo Request Packet to a VPLS Instance
Tracing the Path of an MPLS Echo Request Packet to a VPLS Instance
Configuring BGP-MPLS Applications
Overview
Address Families
Equal-Cost Multipath Support
BGP/MPLS VPN Components
VPN-IPv4 Addresses
Route Targets
Distribution of Routes and Labels with BGP
Platform Considerations
References
Transporting Packets Across an IP Backbone with MPLS
Configuring IPv6 VPNs
Intra-AS IPv6 VPNs
BGP Control Plane Behavior
CE–PE Behavior
PE–PE Behavior
MPLS Data Plane Behavior
Providing IPv4 VPN Services Across Multiple Autonomous Systems
Inter-AS Option A
Inter-AS Option B
Inter-AS Option C
Inter-AS Option C with Route Reflectors
Providing IPv6 VPN Services Across Multiple Autonomous Systems
Using Route Targets to Configure VPN Topologies
Full-Mesh VPNs
Hub-and-Spoke VPNs
Overlapping VPNs
Constraining Route Distribution with Route-Target Filtering
Exchanging Route-Target Membership Information
Receiving and Sending RT-MEM-NLRI Routing Updates
Conditions for Advertising RT-MEM-NLRI Routes
Advertising a Default Route
Route Selection When Route-Target Filtering Is Enabled
Configuring Route-Target Filtering
Multicast Services over VPNs
Configuring BGP VPN Services
VRF Configuration Tasks
PE Router Configuration Tasks
Creating a VRF
Specifying a Route Distinguisher
Defining Route Targets for VRFs
Setting Import and Export Maps for a VRF
Characteristics of Import and Global Import Maps
Characteristics of Export and Global Export Maps
Subsequent Distribution of Routes
Creating a Map
Export Maps
Global Export Maps
Import Maps
Global Import Maps
Global Export of IPv6 VPN Routes into the Global BGP IPv6 RIB
Assigning an Interface to a VRF
Defining Secondary Routing Table Lookup
Adding Static Routes to a VRF
Configuring IGPs on the VRF
Configuring the IGP in the VRF Context
Configuring the IGP Outside the VRF Context
Disabling Automatic Route-Target Filtering
Creating Labels per FEC
Configuring PE-to-PE LSPs
Enabling BGP Routing
Enabling BGP ECMP for BGP/MPLS VPNs
Enabling VPN Address Exchange
Configuring PE-to-CE BGP Sessions
Advertising Static Routes to Customers
Advertising IGP Routes to Customers
Disabling the Default Address Family
Using a Single AS Number for All CE Sites
Preventing Routing Loops
Advertising Prefixes with Duplicate AS Numbers
Controlling Route Importation
Deleting Routes for a VRF
Enabling VRF–to–VR Peering
Achieving Fast Reconvergence in VPN Networks
Fast Reconvergence with Unique RDs
Fast Reconvergence by Means of Reachability Checking
Configuring BGP to Send Labeled and Unlabeled Unicast Routes
BGP Next-Hop-Self
BGP Processing of Received Routes
Labeled Unicast Routes
Unlabeled Unicast Routes
Resolving IPv6 Indirect Next Hops
Labeled VPN Routes
BGP Advertising Rules for Labeled and Unlabeled Routes with the Same AFI
Providing Internet Access to and from VPNs
Enabling Traffic Flow from the VPN to the Internet
Problems
Solutions
Configuring a Default Route to a Shared Interface
Configuring a Fallback Global Option
Configuring a Global Import Map for Specific Routes
Creating a BGP Session Between the CE Router and the Parent VR
Enabling Traffic Flow from the Internet to the VPN
Static Routes to a Shared IP Interface
Global Export Map
Carrier-of-Carriers IPv4 VPNs
Customer Carrier as an Internet Service Provider
Configuration Steps
Customer Carrier as a VPN Service Provider
Configuration Steps
Enabling Carrier-of-Carriers Support on a VRF
Carrier-of-Carriers Using BGP as the Label Distribution Protocol
Carrier-of-Carriers IPv6 VPNs
Connecting IPv6 Islands Across IPv4 Clouds with BGP
Connecting IPv6 Islands Across Multiple IPv4 Domains
Configuring IPv6 Tunneling over IPv4 MPLS
OSPF and BGP/MPLS VPNs
Distributing OSPF Routes from CE Router to PE Router
Distributing Routes Between PE Routers
Preserving OSPF Routing Information Across the MPLS/VPN Backbone
OSPF Domain Identifier Attribute
OSPF Route Type Attribute
Distributing OSPF Routes from PE Router to CE Router
Preventing Routing Loops
Using Remote Neighbors to Configure OSPF Sham Links
OSPF Backdoor Links
OSPF Sham Links
Configuration Tasks
Configuring VPLS
Configuring L2VPNs
Monitoring BGP/MPLS VPNs
Layer 2 Services over MPLS Overview
Layer 2 Services over MPLS Overview
Layer 2 Services over MPLS Platform Considerations
Module Requirements
Interface Specifiers
Layer 2 Services over MPLS References
Layer 2 Services over MPLS Implementation
Local Cross-Connects Between Layer 2 Interfaces Using MPLS
MPLS Shim Interfaces for Layer 2 Services over MPLS
Multiple Layer 2 Services over MPLS
ATM Layer 2 Services over MPLS
AAL5 Encapsulation
OAM Cells
QoS Classification
Limitations
Control Word Support
VCC Cell Relay Encapsulation
AAL0 Raw Cell Mode
Cell Concatenation Parameters
Cell Concatenation and Latency
Control Word Support
Unsupported Features
HDLC Layer 2 Services over MPLS
Interface Stacking
Encapsulation
Control Word Support
Local Cross-Connects
CE-Side MPLS L2VPNs over LAG Overview
Ethernet Raw Mode Encapsulation for Martini Layer 2 Transport Overview
S-VLAN Subinterface with an Untagged C-VLAN ID Overview
Multiple ATM Virtual Circuits over a Single Pseudowire Overview
Guidelines for Configuring VPI/VCI Ranges of ATM Virtual Circuits
Guidelines for Configuring Cell Concatenation and Cell Packing Timer for an ATM Port
Performance Impact and Scalability Considerations
Configuring Layer 2 Services over MPLS
Before You Configure Layer 2 Services over MPLS
Configuring Frame Relay Layer 2 Services
Configuring Interoperation with Legacy Frame Relay Layer 2 Services
Configuring Ethernet/VLAN Layer 2 Services
Configuring S-VLAN Tunnels for Layer 2 Services
Configuring Local Cross-Connects Between Ethernet/VLAN Interfaces
Configuring Local ATM Cross-Connects with AAL5 Encapsulation
Configuring an MPLS Pseudowire with VCC Cell Relay Encapsulation
Configuring HDLC Layer 2 Services
Configuring Local Cross-Connects for HDLC Layer 2 Services
Configuring CE-Side Load Balancing for Martini Layer 2 Transport
Configuring Many Shim Interfaces with the Same Peer, VC Type, and VC ID
Configuring Load-Balancing Groups
MPLS Interfaces and Labels
Configuring Load-Balancing Groups
Adding a Member Interface to a Group Circuit
Removing Member Subinterfaces from a Circuit
Frame Relay over MPLS Configuration Example
MPLS L2VPN Tunnel over VLAN over LAG Configuration Example
Configuration on CE1 (Local CE Router)
Configuration on PE1 (Local PE Router)
Configuration on PE2 (Remote PE Router)
Configuration on CE2 (Remote CE Router)
MPLS L2VPN Tunnel over LAG Configuration Example
Configuration on CE1 (Local CE Router)
Configuration on PE1 (Local PE Router)
Configuration on PE2 (Remote PE Router)
Configuration on CE2 (Remote CE Router)
Ethernet Raw Mode Encapsulation for Martini Layer 2 Transport Examples
S-VLAN Subinterface with an Untagged C-VLAN ID Examples
Multiple ATM Virtual Circuits over a Single Pseudowire Example
Monitoring Layer 2 Services over MPLS
Setting Baselines for Layer 2 Services over MPLS Statistics
Monitoring ATM Martini Cell Packing Timers for Layer 2 Services over MPLS
Monitoring ATM Subinterfaces for Layer 2 Services over MPLS
Monitoring ATM Cross-Connects for Layer 2 Services over MPLS
Monitoring MPLS Forwarding for Layer 2 Services over MPLS
Monitoring MPLS Layer 2 Interfaces for Layer 2 Services over MPLS
VPLS Overview
VPLS Overview
VPLS Components
VPLS Domains
Customer Edge Devices
VPLS Edge Devices
VPLS and Transparent Bridging
BGP Signaling for VPLS
LDP Signaling for VPLS
Targeted Sessions
PWid FEC Element TLV
BGP Multihoming for VPLS
Selecting the Designated VE Device for a Multihomed Site
Multihoming Reaction to Failures in the Network
VPLS Supported Features
VPLS Platform Considerations
Module Requirements
Interface Specifiers
VPLS References
Configuring VPLS
Before You Configure VPLS
Configuration Tasks for VPLS with BGP Signaling
Configuring VPLS Instances with BGP Signaling
Configuring BGP Multihoming for VPLS
Configuring Optional Attributes for VPLS Instances
Configuring VPLS Network Interfaces
Configuring Subscriber Policies for VPLS Network Interfaces
Network Interface Types
Default Subscriber Policies
Modifying Subscriber Policies
Considerations for VPLS Network Interfaces
Configuring the Loopback Interface and Router ID for VPLS
Configuring MPLS LSPs for VPLS
Configuring BGP Signaling for VPLS
VPLS Configuration Example with BGP Signaling
Topology Overview of VPLS with BGP Signaling
Configuration on PE 1 (Local PE Router)
Configuration on PE 2 (Remote PE Router)
Configuration Tasks for VPLS with LDP Signaling
Configuring VPLS Instances with LDP Signaling
Configuring LDP Signaling for VPLS
Configuring Routing in the Core Network for VPLS
VPLS Configuration Example with LDP Signaling
Topology Overview of VPLS with LDP Signaling
Configuration on PE 1 (Local PE Router)
Configuration on PE 2 (Remote PE Router)
Monitoring VPLS
Setting a Baseline for VPLS Statistics
Setting a Baseline for a VPLS Instance
Setting a Baseline for a Network Interface Associated with a VPLS Instance
Setting a Baseline for the VPLS Virtual Core Interface Associated with a VPLS Instance
Clearing Dynamic MAC Addresses from the VPLS Forwarding Table
Clearing All Dynamic MAC Addresses from the VPLS Forwarding Table
Clearing a Specific Dynamic MAC Address from the VPLS Forwarding Table
Clearing All Dynamic MAC Addresses for a Network Interface Associated with a VPLS Instance from the VPLS Forwarding Table
Clearing All Dynamic MAC Addresses for the VPLS Virtual Core Interface Associated with A VPLS Instance
Clearing BGP Attributes for VPLS
Clearing BGP Reachability Information for the L2VPN Address Family
Clearing BGP Route Flap Dampening Information for the L2VPN Address Family
Clearing BGP Route Flap Dampening Information for the VPWS Address Family
Clearing the Wait for the End-of-RIB Marker for the L2VPN Address Family
Monitoring Bridging-Related Settings for VPLS
Monitoring VPLS Configuration and Statistics for a Specific VPLS Instance
Monitoring VPLS Configuration and Statistics for all VPLS Instances
Monitoring Configuration, Statistics, and Status for VPLS Network Interfaces
Monitoring Configuration, Statistics, and Status for VPLS Core Interfaces
Monitoring Configuration, Statistics, and Status for VPLS Ports
Monitoring MAC Address Entries for a Specific VPLS Instance
Monitoring Subscriber Policy Rules
Monitoring BGP-Related Settings for VPLS
Monitoring Layer 2 NLRI for VPLS Instances
Monitoring BGP Next Hops for VPLS
Monitoring LDP-Related Settings for VPLS
Monitoring MPLS-Related Settings for VPLS
Monitoring VPLS-Specific Settings
VPWS Overview
VPWS Overview
BGP Signaling for L2VPNs
VPWS Components
VPWS Instances
Customer Edge Devices
VPWS Provider Edge Devices
VPWS and BGP/MPLS VPNs
BGP Multihoming for VPWS
Selecting the Designated VE Device for a Multihomed Site
Multihoming Reaction to Failures in the Network
VPWS Supported Features
VPWS Platform Considerations
Module Requirements
Interface Specifiers
VPWS References
Configuring VPWS
Before You Configure VPWS
VPWS Configuration Tasks
Configuring a VPWS Instance
Configuring BGP Multihoming for VPWS
Configuring Customer-Facing Interfaces in the VPWS Instance
Configuring a Local Cross-Connect for VPWS
Configuring the Loopback Interface and Router ID for BGP for VPWS
Configuring BGP Signaling for VPWS
Configuring MPLS LSPs for VPWS
VPWS Configuration Example
Topology Overview
Configuration on PE 1 (Local PE Router)
Configuration on PE 2 (Remote PE Router)
Monitoring VPWS
Clearing BGP Attributes for VPWS
Clearing BGP Reachability Information for the L2VPN Address Family
Clearing BGP Route Flap Dampening Information for the L2VPN Address Family
Clearing the Wait for the End-of-RIB Marker for the L2VPN Address Family
Monitoring BGP-Related Settings for VPWS L2VPNs
Monitoring BGP Next Hops for VPWS L2VPNs
Monitoring VPWS Connections
Monitoring VPWS Instances
Monitoring L2VPN Interfaces for VPWS
Monitoring MPLS Forwarding Table for VPWS
Index
Index