TechLibrary

Graceful Routing Engine Switchover (GRES)
Understanding Graceful Routing Engine Switchover in the Junos OS Graceful Routing Engine Switchover System Requirements Requirements for Routers with a Backup Router Configuration

Graceful Routing Engine Switchover (GRES)

Understanding Graceful Routing Engine Switchover in the Junos OS

Graceful Routing Engine Switchover System Requirements

Requirements for Routers with a Backup Router Configuration

Nonstop Bridging
Nonstop Bridging Concepts Nonstop Bridging System Requirements

Nonstop Bridging

Nonstop Bridging Concepts

Nonstop Bridging System Requirements

Nonstop Active Routing
Nonstop Active Routing Concepts Nonstop Active Routing System Requirements

Nonstop Active Routing

Nonstop Active Routing Concepts

Nonstop Active Routing System Requirements

Graceful Restart
Graceful Restart Concepts Graceful Restart System Requirements Aggregate and Static Routes Graceful Restart and Routing Protocols Graceful Restart and MPLS-Related Protocols Understanding Restart Signaling-Based Helper Mode Support for OSPF Graceful Restart Graceful Restart and Layer 2 and Layer 3 VPNs Graceful Restart on Logical Systems

Graceful Restart

Graceful Restart Concepts

Graceful Restart System Requirements

Aggregate and Static Routes

Graceful Restart and Routing Protocols

Graceful Restart and MPLS-Related Protocols

Understanding Restart Signaling-Based Helper Mode Support for OSPF Graceful Restart

Graceful Restart and Layer 2 and Layer 3 VPNs

Graceful Restart on Logical Systems

VRRP
Understanding VRRP Junos OS Support for VRRPv3 Improving the Convergence Time for VRRP

VRRP

Understanding VRRP

Junos OS Support for VRRPv3

Improving the Convergence Time for VRRP

Unified ISSU
Unified ISSU Concepts Unified ISSU Process on the TX Matrix Router Unified ISSU System Requirements

Unified ISSU

Unified ISSU Concepts

Unified ISSU Process on the TX Matrix Router

Unified ISSU System Requirements

Routing Engine and Switching Control Board Redundancy
Configuring Routing Engine Redundancy 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 Chassis Redundancy Hierarchy Routing Engine and Switching Control Board Redundancy Configuration Statements Initial Routing Engine Configuration Example

Routing Engine and Switching Control Board Redundancy

Configuring Routing Engine Redundancy

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

Chassis Redundancy Hierarchy

Routing Engine and Switching Control Board Redundancy Configuration Statements

Initial Routing Engine Configuration Example

Graceful Routing Engine Switchover
Configuring Graceful Routing Engine Switchover graceful-switchover

Graceful Routing Engine Switchover

Configuring Graceful Routing Engine Switchover

graceful-switchover

Nonstop Bridging
Configuring Nonstop Bridging nonstop-bridging

Nonstop Bridging

Configuring Nonstop Bridging

nonstop-bridging

Nonstop Active Routing
Configuring Nonstop Active Routing Tracing Nonstop Active Routing Synchronization Events commit synchronize nonstop-routing traceoptions (Routing Options) Example: Configuring Nonstop Active Routing

Nonstop Active Routing

Configuring Nonstop Active Routing

Tracing Nonstop Active Routing Synchronization Events

commit synchronize

nonstop-routing

traceoptions (Routing Options)

Example: Configuring Nonstop Active Routing

Graceful Restart
Enabling Graceful Restart Configuring Routing Protocols Graceful Restart Configuring Graceful Restart for MPLS-Related Protocols Configuring VPN Graceful Restart Configuring Logical System Graceful Restart Graceful Restart Configuration Statements Example: Configuring Graceful Restart Example: Managing Helper Modes for OSPF Graceful Restart

Graceful Restart

Enabling Graceful Restart

Configuring Routing Protocols Graceful Restart

Configuring Graceful Restart for MPLS-Related Protocols

Configuring VPN Graceful Restart

Configuring Logical System Graceful Restart

Graceful Restart Configuration Statements

Example: Configuring Graceful Restart

Example: Managing Helper Modes for OSPF Graceful Restart

VRRP
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 Configuring a Backup Router to Preempt the Master Router Modifying the Preemption Hold-Time Value Configuring Asymmetric Hold Time for VRRP Routers Configuring an Interface to Accept Packets Destined for the Virtual IP Address Configuring a Logical Interface to Be Tracked Configuring a Route to Be Tracked Configuring Inheritance for a VRRP Group Configuring the Silent Period Configuring Passive ARP Learning for Backup VRRP Routers Enabling the Distributed Periodic Packet Management Process for VRRP Configuring VRRP to Improve Convergence Time Example: Configuring VRRP Example: Configuring VRRP for IPv6 Example: Configuring VRRP Route Tracking Example: Configuring Multiple VRRP Owner Groups Tracing VRRP Operations

VRRP

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

Configuring a Backup Router to Preempt the Master Router

Modifying the Preemption Hold-Time Value

Configuring Asymmetric Hold Time for VRRP Routers

Configuring an Interface to Accept Packets Destined for the Virtual IP Address

Configuring a Logical Interface to Be Tracked

Configuring a Route to Be Tracked

Configuring Inheritance for a VRRP Group

Configuring the Silent Period

Configuring Passive ARP Learning for Backup VRRP Routers

Enabling the Distributed Periodic Packet Management Process for VRRP

Configuring VRRP to Improve Convergence Time

Example: Configuring VRRP

Example: Configuring VRRP for IPv6

Example: Configuring VRRP Route Tracking

Example: Configuring Multiple VRRP Owner Groups

Tracing VRRP Operations

Unified ISSU
Managing and Tracing BFD Sessions During Unified ISSU Procedures no-issu-timer-negotiation traceoptions (Protocols BFD)

Unified ISSU

Managing and Tracing BFD Sessions During Unified ISSU Procedures

no-issu-timer-negotiation

traceoptions (Protocols BFD)

Routing Engine and Switching Control Board Redundancy
Copying a Configuration File from One Routing Engine to the Other Loading a Software Package from the Other Routing Engine

Routing Engine and Switching Control Board Redundancy

Copying a Configuration File from One Routing Engine to the Other

Loading a Software Package from the Other Routing Engine

Summary of Routing Engine and Switching Control Board Redundancy Statements
cfeb description failover (Chassis) failover (System Process) feb (Creating a Redundancy Group) feb (Assigning a FEB to a Redundancy Group) keepalive-time no-auto-failover on-disk-failure on-loss-of-keepalives redundancy redundancy-group routing-engine sfm ssb

Summary of Routing Engine and Switching Control Board Redundancy Statements

cfeb

description

failover (Chassis)

failover (System Process)

feb (Creating a Redundancy Group)

feb (Assigning a FEB to a Redundancy Group)

keepalive-time

no-auto-failover

on-disk-failure

on-loss-of-keepalives

Graceful Routing Engine Switchover
Resetting Local Statistics

Nonstop Active Routing
Resetting Local Statistics

Graceful Restart
Tracing Restart Signaling-Based Helper Mode Events for OSPF Graceful Restart Verifying Graceful Restart Operation

Graceful Restart

Tracing Restart Signaling-Based Helper Mode Events for OSPF Graceful Restart

Verifying Graceful Restart Operation

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

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