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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
-
- Obtaining Documentation
- Documentation Feedback
- Requesting Technical Support
- Chapters
-
- Service Availability
-
- Service Availability Overview
-
- Service Availability Versus High Availability
- Understanding Service Availability Features
-
-
- Module Redundancy
- Stateful SRP Switchover
- Unified ISSU
- VRRP
- Interchassis Redundancy
- Managing Module Redundancy
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- Line Module Redundancy Overview
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- Module Requirements
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- ERX7xx Models and ERX14xx Models
- E120 and E320 Routers
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- IOA Behavior When the Router Reboots
- Line Module Behavior When
Disabling or Enabling IOAs
- Automatic Switchover
-
- Limitations of Automatic Switchover
- Reversion After Switchover
- Configuring Line Module Redundancy
- Managing Line Module Redundancy
- SRP Module Redundancy
- SRP Module Behavior
- Specifying the Configuration for Redundant SRP Modules
- Installing a Redundant SRP Module
- Managing SRP Module Redundancy
- Switching to the Redundant SRP Module
- Upgrading Software on a Redundant SRP Module
- Monitoring the Status LEDs
- Monitoring Line Module and SRP Module Redundancy
- Managing Port Redundancy
- Managing Stateful SRP Switchover
-
- Understanding Stateful SRP Switchover
- Platform Considerations
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- Module Requirements
- Redundancy Modes of Operation
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- File System Synchronization Mode
- High Availability Mode
- Understanding SRP State Behavior
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- Disabled State
- Initializing State
- Active State
- Pending State
- Application Support
- Before Activating High Availability
- Activating High Availability
- Deactivating High Availability
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- Setting the IP Interface Priority
- Upgrading Software
- Monitoring Stateful SRP Switchover
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- Stateful SRP Switchover show Commands
- Clearing the Redundancy History
- Configuring a Unified In-Service Software Upgrade
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- Unified ISSU Overview
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- Router Behavior During a Unified In-Service Software Upgrade
- Unified ISSU Platform Considerations
- Unified ISSU Terms That Describe SRP and Line Module Behavior
- Unified ISSU References
- Unified ISSU Phases Overview
-
- Unified ISSU Initialization Phase Overview
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- Application Data Upgrade on the Standby
SRP Module
- SNMP Traps
- Unified ISSU Upgrade Phase Overview
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- Exceptions During the Upgrade Phase
- Verification of Requirements
- Upgrade Setup
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- Line Module Arming
- Line Module Control Plane
Upgrade
- SRP Module Switchover
- Line Module Forwarding
Plane Upgrade
- Unified ISSU Service Restoration Phase Overview
- Application Support for Unified ISSU
- Unexpected Application-Specific Behavior During Unified ISSU
-
- AAA Authentication and Authorization Disabled
- ATM Affected Behaviors
-
- ILMI Sessions Not Maintained
- OAM CC Effects on VCC
- OAM VC Integrity Verification
Cessation
- Port Data Rate Monitoring
Cessation
- VC and VP Statistics Monitoring
Halts Unified ISSU Progress
- DHCP Affected Behaviors
-
- DHCP Common Component Information
Suspended
- DHCP Relay and DHCP Relay
Proxy Prevent Unified ISSU
- DHCP Packet Capture Halted
on Line Modules
- DoS Protection State Freeze
- Ethernet Affected Behaviors
-
- ARP Packets Briefly Not Sent or Received
- Link Aggregation interruption
- Port Data Rate Monitoring
Halted
- VLAN Statistics Monitoring
Halts Unified ISSU Progress
- FTP Server File Transfer Behaviors
- IS-IS Effects on Graceful Restart and Network Stability
-
- Configuring Graceful Restart
Before Unified ISSU Begins
- Configuring Graceful Restart
When BGP And LDP Are Configured
- Routing Around the Restarting
Router to Minimize Network Instability
- L2TP Failover of Established Tunnels
- OSPF Effects on Graceful Restart, Timeouts, and Network Stability
-
- Configuring Graceful Restart
Before Unified ISSU Begins
- Configuring Graceful Restart
When BGP And LDP Are Configured
- Configuring a Longer Dead
Interval Than Normal
- Routing Around the Restarting
Router to Minimize Network Instability
- PIM Suspended During Unified ISSU
- Subscriber Logins and Logouts Suspended During Unified ISSU
-
- Subscriber Statistics Accumulation
or Deletion
- SONET/SDH Behavior During Unified ISSU
- T3
- TACACS+ Services Not Available
- Interruption in Traffic Forwarding for Layer 3 Routing and
Signaling Protocols
- Recommended Routing Protocol Timer Settings
- Before You Begin a Unified In-Service Software Upgrade
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- Hardware Requirements for Unified ISSU
- Software Requirements for Unified ISSU
- Upgrading Router Software with Unified ISSU
- Halting the Unified ISSU Process and Restoring the Original
State of the Router
-
- Halting Unified ISSU During Initialization Phase
- Halting Unified ISSU During Upgrade Phase
- Monitoring a Unified In-Service Software Upgrade
- Configuring VRRP
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- VRRP Overview
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- VRRP Terms
- Platform Considerations
- References
- How VRRP Works
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- Configuration Examples
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- Basic VRRP Configuration
- Commonly Used VRRP
Configuration
- VRRP Configuration
Without the Real Address Owner
- How VRRP Is Implemented in E Series Routers
-
- Router Election Rules
- Configuring VRRP
-
- Configuring the IP Interface
- Creating VRIDs
- Configuration Steps
- Changing Object Priority
- Monitoring VRRP
- Managing Interchassis Redundancy
-
- ICR Overview
- ICR Platform Considerations
-
- Interface Specifiers
- ICR Terms
- ICR References
- ICR Scaling Considerations
-
- 1:1 Subscriber Redundancy in a 4–Node ICR Cluster
- 1:3 Subscriber Redundancy in a 4–Node ICR Cluster
- Guidelines for Deploying an ICR Partition in Your Network
-
- Hardware Requirements for ICR
- Network Requirements for ICR
- Router Configurations for ICR
- Interaction with RADIUS for ICR
-
- ICR Partition Accounting Overview
- Configuring an ICR Partition
- Configuring the Interface on Which the ICR Partition Resides
- Configuring VRRP Instances to Match ICR Requirements
- Naming ICR Partitions
- Grouping ICR Subscribers Based on S-VLAN IDs
- Grouping ICR Subscribers Based on VLAN IDs
- Example: Configuring ICR Partitions That Group Subscribers
by S-VLAN ID
- Using RADIUS to Manage Subscribers Logging In to ICR Partitions
- Monitoring the Configuration of an ICR Partition Attached to
an Interface
- Monitoring the Configuration of ICR Partitions
- Index
-
- Index
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