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 (NSB)
Nonstop Bridging Concepts Nonstop Bridging System Requirements

Nonstop Bridging (NSB)

Nonstop Bridging Concepts

Nonstop Bridging System Requirements

Nonstop Active Routing (NSR)
Nonstop Active Routing Concepts Nonstop Active Routing System Requirements

Nonstop Active Routing (NSR)

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 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

Graceful Restart and Layer 2 and Layer 3 VPNs

Graceful Restart on Logical Systems

Unified ISSU
Upgrading Routers Using ISSU Unified ISSU Concepts Unified ISSU System Requirements

Unified ISSU

Upgrading Routers Using ISSU

Unified ISSU Concepts

Unified ISSU System Requirements

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

Configuration: GRES
Configuring Graceful Routing Engine Switchover Resetting Local Statistics

Configuration: GRES

Configuring Graceful Routing Engine Switchover

Resetting Local Statistics

Configuration Statements: GRES
[edit chassis] Hierarchy Level graceful-switchover

Configuration Statements: GRES

[edit chassis] Hierarchy Level

graceful-switchover

Configuration: 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 Example: Configuring Graceful Restart Example: Managing Helper Modes for OSPF Graceful Restart

Configuration: 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

Example: Configuring Graceful Restart

Example: Managing Helper Modes for OSPF Graceful Restart

Configuration Statements: Graceful Restart
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

Configuration Statements: Graceful Restart

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

Configuration: NSB
Configuring Nonstop Bridging Resetting Local Statistics

Configuration: NSB

Configuring Nonstop Bridging

Resetting Local Statistics

Configuration Statements: NSB
[edit protocols layer2-control] Hierarchy Level nonstop-bridging

Configuration Statements: NSB

[edit protocols layer2-control] Hierarchy Level

nonstop-bridging

Configuration: NSR
Configuring Nonstop Active Routing Tracing Nonstop Active Routing Synchronization Events traceoptions (Routing Options) Example: Configuring Nonstop Active Routing

Configuration: NSR

Configuring Nonstop Active Routing

Tracing Nonstop Active Routing Synchronization Events

traceoptions (Routing Options)

Example: Configuring Nonstop Active Routing

Configuration Statements: NSR
[edit protocols layer2-control] Hierarchy Level synchronize nonstop-routing traceoptions (Routing Options)

Configuration Statements: NSR

[edit protocols layer2-control] Hierarchy Level

synchronize

nonstop-routing

traceoptions (Routing Options)

Configuration: Unified ISSU
Best Practices Before You Begin Performing a Unified ISSU Verifying a Unified ISSU Managing and Tracing BFD Sessions During Unified ISSU Procedures

Configuration: Unified ISSU

Best Practices

Before You Begin

Performing a Unified ISSU

Verifying a Unified ISSU

Managing and Tracing BFD Sessions During Unified ISSU Procedures

Configuration Statements: Unified ISSU
[edit protocols bfd] Hierarchy Level no-issu-timer-negotiation traceoptions (Protocols BFD)

Configuration Statements: Unified ISSU

[edit protocols bfd] Hierarchy Level

no-issu-timer-negotiation

traceoptions (Protocols BFD)

Configuration: VRRP
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 Tracing VRRP Operations

Configuration: VRRP

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

Tracing VRRP Operations

Configuration Statements: VRRP
[edit protocols vrrp] Hierarchy Level accept-data advertise-interval asymmetric-hold-time authentication-key authentication-type bandwidth-threshold delegate-processing failover-delay fast-interval global-advertisements-threshold hold-time inet6-advertise-interval interface preempt priority priority-cost priority-hold-time route skew-timer-disable startup-silent-period traceoptions track version-3 virtual-address virtual-inet6-address virtual-link-local-address vrrp-group vrrp-inet6-group

Configuration Statements: VRRP

[edit protocols vrrp] Hierarchy Level

global-advertisements-threshold