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Table of Contents

About the Documentation
E-series and JUNOSe Documentation and Release Notes
Audience
E-series and JUNOSe Text and Syntax Conventions
Related E-series and JUNOSe Documentation
Obtaining Documentation
Documentation Feedback
Requesting Technical Support
Internet Protocol
Configuring IP
Overview
IP Packets
IP Functions
Moving Data Between Layers
Routing Datagrams to Remote Hosts
Fragmenting and Reassembling Datagrams
IP Layering
Network Interface Layer
Internet Layer
Transport Layer
Application Layer
Platform Considerations
References
IP Features
IP Addressing
Physical and Logical Addresses
Internet Addresses
Subnetwork Mask Format Options
Subnet Addressing
Classless Addressing with CIDR
Adding and Deleting Addresses
Adding a Primary Address
Deleting a Primary Address
Adding a Secondary (Multinet) Address
Deleting a Secondary Address
ip address Command
Indirect Next-Hop Support
Before You Configure IP
Creating a Profile
Assigning a Profile
Address Resolution Protocol
How ARP Works
MAC Address Validation
Broadcast Addressing
Broadcast Tasks
Fragmentation
IP Routing
Routing Information Tables
Setting the Administrative Distance for a Route
Setting the Metric for a Route
Routing Operations
Identifying a Router Within an Autonomous System
Establishing a Static Route
Configuring Static Routes with Indirect Next Hops
Verifying Next Hops for Static Routes
How BFD Next-Hop Verification Works
BFD Next Hop Verification Configuration Example
How RTR Next-Hop Verification Works
RTR Configuration Example
Configuring RTR Next-Hop Verification
Setting Up Default Routes
Setting Up an Unnumbered Interface
Adding a Host Route to a Peer on a PPP Interface
Enabling Source Address Validation
Enabling Source Address Validation Traps
Defining TCP Maximum Segment Size
Setting MSS for TCP Connections
Configuring IP Path MTU Discovery
Enabling PMTU Discovery
Limiting PMTU
Specifying Black Hole Thresholds
Shutting Down an IP Interface
Removing the IP Configuration
Clearing IP Routes
Clearing IP Interfaces
Setting a Baseline
Disabling Forwarding of Packets
Enabling Forwarding of Source-Routed Packets
Forcing an Interface to Appear Up
Specifying a Debounce Time
Adding a Description
Enabling Link Status Traps
Configuring the Speed
Configuring Equal-Cost Multipath Load Sharing
Defining Maximum Paths
Round-Robin Mode
Fast Reroute Protection
Setting a TTL Value
Protecting Against TCP RST or SYN DoS Attacks
Preventing TCP PAWS Timestamp DoS Attacks
Protecting Against TCP Out of Order DoS Attacks
Limiting Buffers per Router
Limiting Buffers per Virtual Router
Limiting Buffers per Connection
Distributing Routing Table Updates to Line Modules
IP Tunnel Routing Table
Shared IP Interfaces
Configuring Shared IP Interfaces
Moving IP Interfaces
IP Shared Interface Statistics
Subscriber Interfaces
Internet Control Message Protocol
ICMP Tasks
Specifying a Source Address for ICMP Messages
Reachability Commands
Response Time Reporter
Configuration Tasks
Configuring the Probe Type
Configuring Optional Characteristics
Capturing Statistics
Collecting History
Setting the Receiving Interface
Setting Reaction Conditions
Scheduling the Probe
Shutting Down the Probe
Monitoring RTR
Monitoring IP
System Event Logs
Establishing a Baseline
IP show Commands
Configuring IPv6
IPv6 Overview
IPv6 Packet Headers
IPv4 and IPv6 Header Differences
Standard IPv6 Headers
Extension Headers
IPv6 Addressing
Address Representation
IPv6 Address Compression
IPv6 Address Prefix
Address Types
Address Scope
Address Structure
ICMP Support
IPv6 Tunnel Routing Table
Indirect Next Hop Support
Platform Considerations
References
Before You Configure IPv6
Configuring an IPv6 License
Creating an IPv6 Profile
Assigning a Profile
Enabling Source Address Validation
Establishing a Static Route
Specifying an IPv6 Hop Count Limit
Managing IPv6 Interfaces
Configuring Shared IPv6 Interfaces
Adding a Description
IPv6 TCP Configuration
Setting MSS for TCP Connections
Configuring Path MTU Discovery
Enabling PMTU Discovery
Limiting PMTU
Specifying Black Hole Thresholds
Protecting Against TCP RST or SYN DoS Attacks
Preventing TCP PAWS Timestamp DoS Attacks
Protecting Against TCP Out of Order DoS Attacks
Limiting Buffers per Router
Limiting Buffers per Virtual Router
Limiting Buffers per Connection
Configuring Equal-Cost Multipath Load Sharing
Hashed Mode
Defining Maximum Paths
Fast Reroute Protection
Removing an IPv6 Configuration
Clearing IPv6 Routes
Creating Static IPv6 Neighbors
Clearing Dynamic IPv6 Neighbors
Monitoring IPv6
System Event Logs
Establishing a Baseline
IPv6 show Commands
Configuring Neighbor Discovery
Overview
Platform Considerations
References
Before You Configure Neighbor Discovery
Configuring Neighbor Discovery
Using IPv6 Profiles and RADIUS to Configure Neighbor Discovery Route Advertisements
IPv6 Profile-Based Configuration
RADIUS-Based Configuration
Configuring Proxy Neighbor Advertisements
Configuring Duplicate Address Detection Attempts
Monitoring Neighbor Discovery
Internet Protocol Routing
Configuring RIP
Overview
RIP Metric
RIP Messages
Platform Considerations
References
Features
Route Tags
Authentication
Subnet Masks
Next Hop
Multicasting
Route Summaries
Split Horizon
Equal-Cost Multipath
Applying Route Maps
Before You Run RIP
Configuration Tasks
Relationship Between address and network Commands
Enabling RIP on Dynamic IP Interfaces
Clearing Dynamic RIP Interfaces
Using RIP Routes for Multicast RPF Checks
Configuring the BFD Protocol for RIP
Remote Neighbors
Monitoring RIP
debug Commands
show Commands
Configuring OSPF
Overview
OSPF Terms
Platform Considerations
References
Features
Intra-area, Interarea, and External Routes
Routing Priority
Virtual Links
Authentication
Opaque LSAs
Route Leakage
Equal-Cost Multipath
OSPF MIB
Interacting with Other Routing Protocols
Implementing OSPF for IPv6
Understanding the OSPFv3 Difference
Supported LSA Types
Unsupported OSPF Components
OSPF Configuration Tasks
Starting OSPF
Enabling OSPFv2
Enabling OSPFv3
Creating a Range of OSPF Interfaces
Creating a Single OSPFv2 Interface
Specifying an OSPF Router ID
Aggregating OSPF Networks
Configuring OSPF Interfaces
address Commands
ip ospf and ipv6 ospf Commands
Comparison Example
Precedence of Commands
Configuring OSPF Areas
Optimizing the Cost to Reach a Range of OSPF Routers Within an Area
Configuring Authentication
Authentication Requirements
Configuring the BFD Protocol for OSPF
Configuring Additional Parameters
Default Metrics
Configuring OSPF for NBMA Networks
Traffic Engineering
Configuring OSPF for Traffic Engineering
Using OSPF Routes for Multicast RPF Checks
OSPF and BGP/MPLS VPNs
Remote Neighbors
Remote Neighbors and Sham Links
Configuring OSPF Graceful Restart
Disabling and Reenabling Incremental SPF
Configuring OSPF Traps
Neighbor Uptime Tracking
Monitoring OSPF
debug Commands
show Commands
Configuring IS-IS
Overview
IS-IS Terms
ISO Network Layer Addresses
Level 1 Routing
Level 2 Routing
Dynamic Hostname Resolution
Authentication
Simple Authentication
HMAC MD5 Authentication
MD5 Authentication Example
Specifying MD5 Start and Stop Timing
Example
Halting MD5 Authentication
Managing and Replacing MD5 Keys
Enabling and Disabling Authentication of CSNPs and PSNPs
Extensions for Traffic Engineering
Integrated IS-IS
Equal-Cost Multipath
Static PPP Interfaces
Route Tags
Route Tag Applications
Route Tag Structure
Setting Route Tags
Using Route Tags
Unsupported Features
Table Maps
Graceful Restart
Features
How Graceful Restart Works
IS-IS for IPv6
Platform Considerations
References
Features
Before You Run IS-IS
Configuration Tasks
Enabling IS-IS for IP Routing
Summary Example
Enabling and Configuring IS-IS for IPv6 Routing
Summary Example
Configuring IS-IS Interface-Specific Parameters
Configuring Authentication
Configuring Link-State Metrics
Configuring a Reference Bandwidth to Set a Default Metric
Setting the CSNP Interval
Configuring Hello Packet Parameters
Padding IS-IS Hello Packets
Configuring LSP Parameters
Setting the Designated Router Priority
Configuring Passive Interfaces
Configuring Adjacency
Configuring Route Tags for IS-IS Interfaces
Configuring Point-to-Point-over-LAN Circuits
Summary Example
Configuring Global IS-IS Parameters
Setting Authentication Passwords
Configuring Authentication of CSNPs and PSNPs
Configuring Redistribution
Redistributing Routes Between Levels
Controlling Granularity of Routing Information
Configuring a Global Default Metric
Configuring Metric Type
Setting the Administrative Distance
Configuring Default Routes
Setting Router Type
Summarizing Routes
Avoiding Transient Black Holes
Waiting for BGP Convergence
Example Topology
Suppression for IS-IS Graceful Restart
Configuration
Ignoring LSP Errors
Logging Adjacency State Changes
Configuring LSP Parameters
Specifying the SPF Interval
Defining the SPF Route Calculation Level
Setting CLNS Parameters
Setting the Maximum Parallel Routes
Configuring a Virtual Multiaccess Network
Configuring Table Maps
Configuring Graceful Restart
Summary Example
Configuring IS-IS for MPLS
Using IS-IS Routes for Multicast RPF Checks
Configuring the BFD Protocol for IS-IS
Disabling the IS-IS Protocol
Monitoring IS-IS
System Event Logs
Monitoring IS-IS Parameters
Displaying CLNS
Index
Index
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