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Table of Contents

Preface
About This Guide
Getting Started
In This Chapter
­Alcatel-Lucent 7750 SR-Series Services Configuration Process
7750 SR OS, Triple Play Guide, Triple Play
In This Section
Alcatel-Lucent’s Triple Play Service Delivery Architecture
Introduction to Triple Play
Blueprint for Optimizing Triple Play Service Infrastructures
Architectural Foundations
Optimizing Triple Play Service Infrastructures
Distributed Service Edges
Service Differentiation, QoS Enablement
Virtual MAC Subnetting for VPLS
Services
Service Types
Service Policies
­Alcatel-Lucent Service Model
Introduction
Service Entities
Customers
Service Access Points (SAPs)
SAP Encapsulation Types and Identifiers
Ethernet Encapsulations
SAP Considerations
Service Distribution Points (SDPs)
SDP Binding
Spoke and Mesh SDPs
SDP Encapsulation Types
SDP Keepalives
Epipe Service Overview
VPLS Service Overview
Split Horizon SAP Groups and Split Horizon Spoke SDP Groups
Residential Split Horizon Groups
IES Service Overview
IP Interface
VPRN Service Overview
Deploying and Provisioning Services
Phase 1: Core Network Construction
Phase 2: Service Administration
Phase 3: Service Provisioning
Configuration Notes
General
7750 SR OS, Triple Play Guide, Configuring Triple Play Services with CLI
Configuring VPLS Residential Split Horizon Groups
Configuring Static Hosts
7750 SR OS, Triple Play Guide, Services Command Reference
7750 SR OS, Triple Play Guide, DHCP Management
In This Chapter
DHCP Principles
DHCP Features
DHCP Relay
Subscriber Identification Using Option 82 Field
Trusted and Untrusted
DHCP Snooping
DHCP Lease State Table
DHCP and Layer 3 Aggregation
Local DHCP Servers
Overview
Local DHCP Server Support
DHCPv6
DHCPv6 Relay Agent
DHCPv6 Prefix Options
Neighbor Resolution via DHCPv6 Relay
DHCPv6 Lease Persistency
Local Proxy Neighbor Discovery
IPv6oE Hosts Behind Bridged CPEs
IPv6 Link-Address Based Pool Selection
IPv6 Address/Prefix Stickiness
IPv4/v6 Linkage for Dual-Stack Hosts or Layer 3 RGs
Host Connectivity Checks for IPv6
DHCP Relay Enhancements
Proxy DHCP Server
Local DHCP Servers
Terminology
Overview
DHCP Lease Synchronization
Intercommunication Link Failure Detection
DHCP Server Failover States
Lease Time Synchronization
Maximum Client Lead Time (MCLT)
Sharing IPv4 Address-Range or IPv6 Prefix Between Redundant 7x50 DHCP Servers in Access-Driven Mode
Fast-Switchover of IP Address/Prefix Delegation For ‘Remote’ IP Address/Prefix Range
7750 SR OS, Triple Play Guide, Configuring DHCP with CLI
Common Configuration Tasks
Enabling DHCP Snooping
Configuring Option 82 Handling
Enabling DHCP Relay
Configuring Local User Database Parameters
7750 SR OS, Triple Play Guide, Triple Play DHCP Command Reference
7750 SR OS, Triple Play Guide, Point-to-Point Protocol over Ethernet (PPPoE) Management
In This Chapter
PPPoE
PPPoE Authentication and Authorization
General Flow
RADIUS
Local User Database Directly Assigned to PPPoE Node
Local DHCP Server with Local User Database
Multiple Sessions Per MAC Address
Private Retail Subnets
Private Retail Subnets
IPCP Subnet Negotiation
Numbered WAN Support for Layer 3 RGs
IES as Retail Service for PPPoE Host
Unnumbered PPPoX
MLPPPoE, MLPPP(oE)oA with LFI on LNS
Terminology
LNS MLPPPoX
MLPPP Encapsulation
MLPPPoX Negotiation
Enabling MLPPPoX
Link Fragmentation and Interleaving (LFI)
MLPPPoX Fragmentation, MRRU and MRU Considerations
LFI Functionality Implemented in LNS
Last Mile QoS Awareness in the LNS
BB-ISA Processing
LNS-LAC Link
AN-RG Link
Home Link
Optimum Fragment Size Calculation by LNS
Upstream Traffic Considerations
Multiple Links MLPPPoX With No Interleaving
MLPPPoX Session Support
Session Load Balancing Across Multiple BB-ISAs
BB-ISA Hashing Considerations
Last Mile Rate and Encapsulation Parameters
Link Failure Detection
CoA Support
Accounting
Filters and Mirroring
PTA Considerations
QoS Considerations
Dual-Pass
Traffic Prioritization in LFI
Shaping Based on the Last Mile Wire Rates
Downstream Bandwidth Management on Egress Port
Sub/Sla-Profile Considerations
Example of MLPPPoX Session Setup Flow
Other Considerations
Configuration Notes
7750 SR OS, Triple Play Guide, PPP Command Reference
7750 SR OS, Triple Play Guide, Triple Play Security
In This Chapter
Triple Play Security Features
Anti-Spoofing Filters
Anti-spoofing Filter Types
Filtering Packets
Layer 2 Triple Play Security Features
MAC Pinning
MAC Protection
DoS Protection
VPLS Redirect Policy
ARP Handling
ARP Reply Agent
Dynamic ARP Table Population
Local Proxy ARP
Web Portal Redirect
7750 SR OS, Triple Play Guide, Configuring Triple Play Security with CLI
Common Configuration Tasks
Configuring Anti-Spoofing Filters
Configuring Triple Play Security features
Configuring ARP Handling
Configuring Web Portal Redirect
7750 SR OS, Triple Play Guide, Triple Play Security Command Reference
7750 SR OS, Triple Play Guide, Triple Play Multicast
In This Chapter
Introduction to Multicast
Multicast in the BSR
Internet Group Management Protocol
IGMP Versions and Interoperability Requirements
IGMP Version Transition
Source Specific Multicast Groups
Protocol Independent Multicast Sparse Mode (PIM-SM)
Ingress Multicast Path Management (IMPM) Enhancements
Multicast in the BSA
IGMP Snooping
IGMP Message processing
IGMP Filtering
Multicast VPLS Registration (MVR)
Layer 3 Multicast Load Balancing
IGMP State Reporter
IGMP Data Records
Transport Mechanism
HA Compliance
QoS Awareness
Hardware Support
IGMP Reporting Caveats
Multicast Support over Subscriber Interfaces in Routed CO Model
Hardware Support
Multicast Over IPoE
Per SAP Replication Mode
Per Subscriber Host Replication Mode
Multicast Over PPPoE
IGMP Flooding Containment
IGMP Timers
IGMP Query Intervals
HQoS Adjustment
Host Tracking (HT) Considerations
HQoS Adjust Per Vport
Redirection
Hierarchical Multicast CAC (H-MCAC)
MCAC Bundle Bandwidth Limit Considerations
Determining MCAC Policy in Effect
Multicast Filtering
Joining the Multicast Tree
Wholesale/Retail Requirements
QoS Considerations
Redundancy Considerations
Redirection Considerations
7750 SR OS, Triple Play Guide, Configuring Triple Play Multicast Services with CLI
Configuring IGMP Snooping in the BSA
Enabling IGMP Snooping in a VPLS Service
With IGMPv3 Multicast Routers
With IGMPv1/2 Multicast Routers
Modifying IGMP Snooping Parameters
Modifying IGMP Snooping Parameters for a SAP or SDP
Configuring Static Multicast Groups on a SAP or SDP
Enabling IGMP Group Membership Report Filtering
Configuring Multicast VPLS Registration (MVR)
Configuring IGMP and PIM in the BSR
Enabling IGMP
Configuring IGMP Interface Parameters
Configuring Static Parameters
Configuring SSM Translation
Configuring PIM
Configuring Bootstrap Message Import and Export Policies
7750 SR OS, Triple Play Guide, Triple Play Multicast Command Reference
7750 SR OS, Triple Play Guide, Enhanced Subscriber Management
In This Section
Uniform RADIUS Server Configuration
RADIUS Server Configuration Method
Uniform RADIUS Server Configuration (Preferred)
Legacy RADIUS Server Configuration
RADIUS Authentication of Subscriber Sessions
RADIUS Authentication Extensions
Triple Play Network with RADIUS Authentication
RADIUS Authorization Extensions
Calling-Station-ID
Subscriber Session Timeout
RADIUS Reply Message for PPPoE PAP/CHAP
Provisioning of Enhanced Subscriber Management (ESM) Objects
RADIUS-Based Accounting
Accounting Modes Of Operation
Per Session Accounting
RADIUS Per Host Accounting
No Host-Accounting
Host-Accounting Enabled
Accounting Interim Update Message Interval
Class Attribute
User Name
Accounting-On and Accounting Off
RADIUS Accounting Message Buffering
Sending an Accounting Stop Message upon a RADIUS Authentication Failure of a PPPoE Session
Enhanced Subscriber Management Overview
Enhanced Subscriber Management Basics
Standard and Enhanced Subscriber Management
ESM for IPv6
Models
Setup
Behavior
Delegated-Prefix-Length
DHCPv6 Relay Agent
DHCPv6 Local Server
Dynamic Subscriber Host Processing
Dynamic Tables
Enhanced Subscriber Management Entities
Instantiating a New Host
Packet Processing for an Existing Host
ESM Host Lockout
ANCP and GSMP
ANCP
General Switch Management Protocol Version 3 (GSMPv3)
DHCP Release Messages
DHCP Client Mobility
DHCP Lease Control
Using Scripts for Dynamic Recognition of Subscribers
Python Language and Programmable Subscriber Configuration Policy (PSCP)
Determining the Subscriber Profile and SLA Profile of a Host
Determining the Subscriber Profile
Determining the SLA Profile
Auto-Sub ID
Sub-id Identifiers
Dual Stack Hosts
Mixing Hosts with Auto-Generated IDs and non Auto-Generated IDs
PPPoA/PPPoEoA Considerations
Deployment Considerations
Caveats
Limiting Subscribers and Hosts on a SAP
Static Subscriber Hosts
QoS for Subscribers and Hosts
QoS Parameters in Different Profiles
QoS Policy Overrides
ATM/Ethernet Last-Mile Aware QoS for Broadband Network Gateway
Configuring IP and IPv6 Filter Policies for Subscriber Hosts
ESM PPPoA/PPPoEoA
PPPoA
PPPoEoA
Hardware Support
Termination Points within 7x50
PPPoA Encapsulation
Encapsulation Summary
Concurrent Support for Different Service Types on the Same Port
Restrictions in Scaled ATM MDA Mode
QoS Implementation
Association Between the Subscriber and ATM VC Traffic Descriptor (QoS)
Per VP Shaping
ATM/IOM QoS Integration
Subscriber Instantiation Use Cases
Authentication
LUDB Access via Capture SAP
Encapsulation Autosensing
SAP Autoprovisioning
PPP Nodes and ppp-policy
MTU Considerations
Multi-Chassis Synchronization
Overview
Subscriber Routed Redundancy Protocol (SRRP)
SRRP Messaging
SRRP and Multi-Chassis Synchronization
SRRP Instance
Subscriber Subnet Owned IP Address Connectivity
Subscriber Subnet SRRP Gateway IP Address Connectivity
Receive SRRP Advertisement SAP and Anti-Spoof
PPPoE MC Redundancy
Hardware Support
SRRP Considerations for PPPoE
State Synchronization
Traffic Control and Redundant Interface
MSAP Considerations
Unnumbered Interface Support
Compatibility with MC-LAG
IPv6 Support
Considerations with Local DHCP Server
Redundant Interface Considerations
Routed Central Office (CO)
Layer 3 Subscriber Interfaces
Routed Subscriber Hosts
Interaction Notes
VPRN Routed COs
Dual Homing
Dual Homing to Two PEs (Redundant-Pair Nodes) in Triple Play Aggregation
Steady-State Operation of Dual-homed Ring
Broken-Ring Operation and the Transition to this State
Transition from Broken to Closed Ring State
Provisioning Aspects and Error Cases
Dual Homing to Two BSR Nodes
MC Services
Routed CO Dual Homing
SRRP and Multi-Chassis Synchronization
Dual Homing and ANCP
SRRP for IPv6 ESM
SRRP Enhancement
SRRP Aware Routing - IPv4/IPv6 Route Advertisement Based on SRRP State
SRRP in Conjunction with a PW in ESM Environment – Use Case
Group-monitor
Subscriber Override
Dual Stack Lite
IP-in-IP
Configuring Dual Stack Lite
L2TP over IPv6
L2TP Tunnel RADIUS Accounting
Accounting Packets List
RADIUS Attributes Value Considerations
Other Optional RADIUS Attributes
RADIUS VSA to Enable L2TP Tunnel Accounting
MLPPP on the LNS Side
RADIUS Route Download
Managed SAP (M-SAP)
ESM Identification Process
ESM Identification Process
Default-Subscriber
Multicast Management
Subscriber Mirroring
Volume and Time Based Accounting
Metering
Categories Map and Categories
Quota Consumption
RADIUS VSA Credit-Control-Quota
Credit Negotiation Mechanisms
Action on Credit Exhaustion
Action on Error-Conditions
Applicability of Volume and Time Based Accounting
Subscriber Host Idle Timeout
Web Authentication Protocol (WPP)
WPP Configurations
One-time HTTP Redirection Overview
ESM over MPLS Pseudowires
Encapsulation
Encapsulation
ESM Configuration with PW-Ports and PW-SAPs
QoS Support
BNG Redundancy with ESM over Pseudowire
EPIPE Based Aggregation Service
VPLS Based Aggregation Service
Show Commands Related to Active/Standby Pseudowire on Dual BNGs
3GPP-based Diameter Credit Control Application (DCCA) – Online charging
On-Demand Subnet Allocation (ODSA)
DHCP pool subnet-binding-key
ODSA Subnet Advertisement and Routing
ODSA with SRRP
ODSA SRRP Failover DHCP Behavior
ODSA SRRP Recovery DHCP Behavior
Logical Link Identifier (LLID)
Open Authentication Model for DHCP and PPPoE Hosts
Terminology
Terminology
LUDB and RADIUS Access Models
No Authentication
LUDB Only Access
LUDB Access via DHCPv4 Server
RADIUS Only Access
Consecutive Access to LUDB and RADIUS
RADIUS Fallback
Subscriber Services
Flexible Subscriber-Interface Addressing (Unnumbered Subscriber-Interfaces)
Terminology
Flexible Subscriber-Interface Addressing for IPOE/PPPOE v4/v6 Subscribers
Default Gateway in IPv4 Flexible Addressing
IPv4 Subnet Sharing
IPv4 Subnet Mask Auto-Generation
Local-proxy-arp and arp-populate
Gi-address Configuration Consideration
PPPoE Considerations
IPoEv6 Considerations
General Configuration Guidelines for Flexible IP Address Assignment
Caveats
uRPF for Subscriber Management
7750 SR OS, Triple Play Guide, Configuring Enhanced Subscriber Management with CLI
Configuring RADIUS Authentication of DHCP Sessions
Configuring Enhanced Subscriber Management
Basic Configurations
Subscriber Interface Configuration
Configuring Enhanced Subscriber Management Entities
Routed CO with Basic Subscriber Management Features
Applying the Profiles and Policies
Configuring Dual Homing
Configuring Wholesale/Retail Parameters
7750 SR OS, Triple Play Guide, Subscriber Management Command Referenc
7750 SR OS, Triple Play Guide, WIFI Aggregation and Offload
In This Section
WIFI Aggregation and Offload Overview
Layer 2 over Soft-GRE Tunnels
Encapsulation
Data Path
Tunnel Level Egress QoS
Operational Commands
Authentication
EAP-Based Authentication
RADIUS Proxy
Portal Authentication
Address Assignment
WIFI Mobility Anchor
Wholesale
CGN on WLAN-GW
Lawful Intercept on WLAN-GW
WIFI Offload – 3G/4G Interworking
Signaling Call Flow
GTP Setup with EAP Authentication
APN Resolution
Configuration Objects
RADIUS Support
QoS Support with GTP
Operational Commands
Migrant User Support
Migrant User Support with Portal-Authentication
DHCP
Authentication and Forwarding
Migrant User Support with EAP Authentication
Data Triggered Subscriber Creation
IPv6-only Access
IPv6 GRE Tunnels
IPv6 Client-Side RADIUS Proxy
7750 SR OS, Triple Play Guide, WiFi Command Reference
7750 SR OS, Triple Play Guide, wifi offload, CLI Command Description
7750 SR OS, Triple Play Guide, Radius Triggered Dynamic Data Services
In This Section
Introduction to RADIUS Triggered Dynamic Data Services
7750 SR OS, Triple Play Guide, Radius Triggered Dynamic Data Services Command Reference
7750 SR OS, Triple Play Guide, WIFI Aggregation and Offload Command Reference
7750 SR OS, Triple Play Guide, Service Manager Scripting Language
In This Chapter
Service Manager Scripting Language
Python Changes
Configuration
Operator Debugging
Python Scripts
Limitations
RADIUS Script Policy Overview
Python Changes
Sample Script
Tips and Tricks
Sample Python Scripts
7750 SR OS, Triple Play Guide, Python RADIUS Commands
7750 SR OS, Triple Play Guide, Common CLI Command Descriptions
In This Chapter
Common Service Commands