[ Contents] [ Prev] [ Next] [ Index] [ Report an Error]

Table of Contents

About This Guide
JUNOS Documentation and Release Notes
Objectives
Audience
Supported Routing Platforms
Using the Indexes
Using the Examples in This Manual
Documentation Conventions
Documentation Feedback
Requesting Technical Support
Overview
High Availability Overview
Introducing High Availability Features on Juniper Networks Routing Platforms
Routing Engine Redundancy
Graceful Routing Engine Switchover
Nonstop Bridging
Nonstop Active Routing
Graceful Restart
Nonstop Active Routing Versus Graceful Restart
Effects of a Routing Engine Switchover
VRRP
Unified ISSU
High Availability-Related Features in JUNOS
Routing Engine and Switching Control Board Redundancy
Routing Engine and Switching Control Board Redundancy Overview
Understanding Routing Engine Redundancy on JUNOS Routers
Routing Engine Redundancy Overview
Conditions That Trigger a Routing Engine Failover
Default Routing Engine Redundancy Behavior
Routing Engine Redundancy on a TX Matrix Platform
Situations That Require You to Halt Routing Engines
Switching Control Board Redundancy
Redundant CFEBs on the M10i Router
Redundant FEBs on the M120 Router
Redundant SSBs on the M20 Router
Redundant SFMs on the M40e and M160 Routers
Routing Engine and Switching Control Board Redundancy Configuration Guidelines
Chassis Redundancy Hierarchy
Initial Routing Engine Configuration Example
Copying a Configuration File from One Routing Engine to the Other
Loading a Software Package from the Other Routing Engine
Configuring Routing Engine Redundancy
Modifying the Default Routing Engine Mastership
Configuring Automatic Failover to the Backup Routing Engine
Without Interruption to Packet Forwarding
On Detection of a Hard Disk Error on the Master Routing Engine
On Detection of a Loss of Keepalive Signal from the Master Routing Engine
When a Software Process Fails
Manually Switching Routing Engine Mastership
Verifying Routing Engine Redundancy Status
Configuring CFEB Redundancy on the M10i Router
Configuring FEB Redundancy on the M120 Router
Example: Configuring FEB Redundancy
Configuring SFM Redundancy on M40e and M160 Routers
Configuring SSB Redundancy on the M20 Router
Summary of Routing Engine and Switching Control Board Redundancy Statements
cfeb
description
failover on-disk-failure
failover on-loss-of-keepalives
failover other-routing-engine
feb
feb (Creating a Redundancy Group)
feb (Assigning a FEB to a Redundancy Group)
keepalive-time
no-auto-failover
redundancy
redundancy-group
routing-engine
sfm
ssb
Graceful Routing Engine Switchover
Graceful Routing Engine Switchover Overview
Understanding Graceful Routing Engine Switchover in the JUNOS Software
Graceful Routing Engine Switchover Concepts
Effects of a Routing Engine Switchover
Graceful Routing Engine Switchover System Requirements
Graceful Routing Engine Switchover Platform Support
Graceful Routing Engine Switchover Feature Support
Graceful Routing Engine Switchover DPC Support
Graceful Routing Engine Switchover and Subscriber Access
Graceful Routing Engine Switchover PIC Support
Graceful Routing Engine Switchover Configuration Guidelines
Configuring Graceful Routing Engine Switchover
Enabling Graceful Routing Engine Switchover
Synchronizing the Routing Engine Configuration
Verifying Graceful Routing Engine Switchover Operation
Requirements for Routers with a Backup Router Configuration
Resetting Local Statistics
Summary of Graceful Routing Engine Switchover Configuration Statements
graceful-switchover
Nonstop Bridging
Nonstop Bridging Overview
Nonstop Bridging Concepts
Nonstop Bridging System Requirements
Platform Support
Protocol Support
Nonstop Bridging Configuration Guidelines
Configuring Nonstop Bridging
Enabling Nonstop Bridging
Synchronizing the Routing Engine Configuration
Verifying Nonstop Bridging Operation
Summary of Nonstop Bridging Statements
nonstop-bridging
Nonstop Active Routing
Nonstop Active Routing Overview
Nonstop Active Routing Concepts
Nonstop Active Routing System Requirements
Nonstop Active Routing Platform Support
Nonstop Active Routing Protocol and Feature Support
Nonstop Active Routing BFD Support
Nonstop Active Routing BGP Support
Nonstop Active Routing Layer 2 Circuit and LDP-Based VPLS Support
Nonstop Active Routing PIM Support
Nonstop Active Routing Support for RSVP-TE LSPs
Nonstop Active Routing Configuration Guidelines
Configuring Nonstop Active Routing
Enabling Nonstop Active Routing
Synchronizing the Routing Engine Configuration
Verifying Nonstop Active Routing Operation
Tracing Nonstop Active Routing Synchronization Events
Resetting Local Statistics
Example: Configuring Nonstop Active Routing
Summary of Nonstop Active Routing Configuration Statements
commit synchronize
nonstop-routing
traceoptions
Graceful Restart
Graceful Restart Overview
Graceful Restart Concepts
Graceful Restart System Requirements
Aggregate and Static Routes
Graceful Restart and Routing Protocols
BGP
ES-IS
IS-IS
OSPF and OSPFv3
PIM Sparse Mode
RIP and RIPng
Graceful Restart and MPLS-Related Protocols
LDP
RSVP
CCC and TCC
Graceful Restart and Layer 2 and Layer 3 VPNs
Graceful Restart on Logical Systems
Graceful Restart Configuration Guidelines
Configuring Graceful Restart for Aggregate and Static Routes
Configuring Routing Protocols Graceful Restart
Configuring Graceful Restart Globally
Configuring Graceful Restart Options for BGP
Configuring Graceful Restart Options for ES-IS
Configuring Graceful Restart Options for IS-IS
Configuring Graceful Restart Options for OSPF and OSPFv3
Configuring Graceful Restart Options for RIP and RIPng
Configuring Graceful Restart Options for PIM Sparse Mode
Tracking Graceful Restart Events
Configuring Graceful Restart for MPLS-Related Protocols
Configuring Graceful Restart Globally
Configuring Graceful Restart Options for RSVP, CCC, and TCC
Configuring Graceful Restart Options for LDP
Configuring VPN Graceful Restart
Configuring Graceful Restart Globally
Configuring Graceful Restart for the Routing Instance
Configuring Logical System Graceful Restart
Configuring Graceful Restart Globally
Configuring Graceful Restart for a Routing Instance
Verifying Graceful Restart Operation
Graceful Restart Operational Mode Commands
Verifying BGP Graceful Restart
Verifying IS-IS and OSPF Graceful Restart
Verifying CCC and TCC Graceful Restart
Example: Configuring Graceful Restart
Summary of Graceful Restart Configuration Statements
disable
graceful-restart
helper-disable
maximum-helper-recovery-time
maximum-helper-restart-time
maximum-neighbor-reconnect-time
maximum-neighbor-recovery-time
no-strict-lsa-checking
notify-duration
reconnect-time
recovery-time
restart-duration
restart-time
stale-routes-time
traceoptions
Virtual Router Redundancy Protocol
VRRP Overview
Understanding VRRP
VRRP Configuration Guidelines
VRRP Configuration Hierarchy
VRRP for IPv6 Configuration Hierarchy
Configuring the Startup Period for VRRP Operations
Configuring Basic VRRP Support
Configuring VRRP Authentication (IPv4 Only)
Configuring the Advertisement Interval for the VRRP Master Router
Modifying the Advertisement Interval in Seconds
Modifying the Advertisement Interval in Milliseconds
Configuring a Backup Router to Preempt the Master Router
Modifying the Preemption Hold-Time Value
Configuring an Interface to Accept Packets Destined for the Virtual IP Address
Configuring a Logical Interface to Be Tracked
Configuring a Logical Interface to Be Tracked
Configuring a Route to Be Tracked
Tracing VRRP Operations
Configuring the Silent Period
Configuring Passive ARP Learning for Backup VRRP Routers
Example: Configuring VRRP
Example: Configuring VRRP for IPv6
Example: Configuring VRRP Route Tracking
Summary of VRRP Configuration Statements
accept-data
advertise-interval
authentication-key
authentication-type
bandwidth-threshold
fast-interval
hold-time
inet6-advertise-interval
interface
no-accept-data
no-preempt
preempt
priority
priority-cost
priority-hold-time
route
startup-silent-period
traceoptions
track
virtual-address
virtual-inet6-address
virtual-link-local-address
vrrp-group
vrrp-inet6-group
Unified ISSU
Unified ISSU Overview
Unified ISSU Concepts
Unified ISSU Process on TX Matrix Platform
Unified ISSU System Requirements
Unified ISSU JUNOS Software Release Support
Unified ISSU Platform Support
Unified ISSU Protocol Support
Unified ISSU Support for Layer 2 Control Protocol Process (L2CPD)
Unified ISSU Feature Support
Unified ISSU PIC Support
PIC Considerations
SONET/SDH PICs
Fast Ethernet and Gigabit Ethernet PICs
Channelized PICs
Tunnel Services PICs
ATM PICs
Serial PICs
DS3, E1, E3, and T1 PICs
Enhanced IQ2 Ethernet Services Engine (ESE) PIC
Unified ISSU DPC Support
Unified ISSU Configuration Guidelines
Best Practices
Before You Begin
Verify That the Master and Backup Routing Engines Are Running the Same Software Version
Back Up the Router's Software
Verify That Graceful Routing Engine Switchover and Nonstop Active Routing Are Configured
Performing a Unified ISSU
Upgrading and Rebooting Both Routing Engines Automatically
Upgrading Both Routing Engines and Rebooting the New Backup Routing Engine Manually
Upgrading and Rebooting Only One Routing Engine
Verifying a Unified ISSU
Troubleshooting Unified ISSU Problems
Managing and Tracing BFD Sessions During Unified ISSU Procedures
Unified ISSU Configuration Statements Summary
no-issu-timer-negotiation
traceoptions
Index
Index
Index of Statements and Commands

[ Contents] [ Prev] [ Next] [ Index] [ Report an Error]