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play_arrow Subscriber-Aware and Application-Aware Traffic Treatment Overview
- play_arrow Subscriber-Aware and Application-Aware Traffic Treatment Overview
  - Subscriber-Aware and Application-Aware Traffic Treatment Overview
  - Configuring Subscriber-Aware and Application-Aware Traffic Treatment Overview
play_arrow Applying Subscriber-Aware and Application-Aware Policies and Services
play_arrow Configuring Reporting for Subscriber-Aware Data Sessions
- play_arrow Configuring Reporting
play_arrow Modifying Subscriber-Aware Configuration
- play_arrow Modifying Subscriber-Aware Configuration in Maintenance Mode
play_arrow Monitoring and Troubleshooting
- play_arrow Monitoring and Troubleshooting
play_arrow Configuration Statements and Operational Commands
- Junos CLI Reference Overview

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Changing AMS Interface Parameters on a TDF Gateway

date_range 13-Jan-21

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This procedure shows how to change the parameters for an aggregated multiservices (AMS) interface on a TDF gateway using maintenance mode at the [edit interfaces] hierarchy level. If an AMS interface is configured under a gateway’s session PICs or services PICs, and you change any load-balancing options such as membership of AMS interfaces (mams), then the AMS interface must be in maintenance mode.

Before you change AMS parameters using maintenance mode:

Make sure that this change has been coordinated with affected groups and users.

To configure maintenance mode and AMS parameter change:

Verify the current status of maintenance mode for the AMS.

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[edit]
user@host> show unified-edge tdf gateway-name system interfaces service-mode

The service-mode option displays the information details about maintenance mode as well as status.

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Maintenance Mode
   MM Active Phase - System is ready to accept configuration changes for all
                  attributes of this object and its sub-hierarchies. 
   MM In/Out Phase - System is ready to accept configuration changes only for
                  non-maintenance mode attributes of this object and 
                  its sub-hierarchies. 

Interface Name 	Gateway Name		Service Mode
ms-1/0/0			SCG1				Operational
ms-1/1/0			SCG1				Operational
ms-2/0/0			SCG1				Operational
ms-2/1/0			SCG1				Operational
pfe-0/0/0			SCG1				Operational
pfe-0/1/0			SCG1				Operational
pfe-0/2/0			SCG1				Operational
pfe-0/3/0			SCG1				Operational
ams1				SCG1				Operational

From configuration mode, show the current configuration for the AMS interface.

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user@host# show interfaces interface-name
load-balancing-options {
    member-interface mams-4/1/0;
    member-interface mams-5/1/0;
     member-failure-options {
        redistribute-all-traffic {
            enable-rejoin;
        }
    }
    high-availability-options {
        many-to-one {
            preferred-backup mams-5/1/0;
        }
    }
}
unit 1 {
    family inet;
}
unit 2 {
    family inet;
}

On the gateway, place the interface in maintenance mode.

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[edit]
user@host# set unified-edge tdf gateway-name system interface interface-name service-mode maintenance
user@host# commit

Verify that the AMS interface is in active maintenance mode where configuration changes are accepted for this object and all of its subhierarchies, after you commit the configuration.

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user@host> show unified-edge tdf gateway-name system interfaces service-mode

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Maintenance Mode
   MM Active Phase - System is ready to accept configuration changes for all
                  attributes of this object and its sub-hierarchies. 
   MM In/Out Phase - System is ready to accept configuration changes only for
                  non-maintenance mode attributes of this object and 
                  its sub-hierarchies. 

Interface Name 	Gateway Name		Service Mode
ms-1/0/0			SCG1				Operational
ms-1/1/0			SCG1				Operational
ms-2/0/0			SCG1				Operational
ms-2/1/0			SCG1				Operational
pfe-0/0/0			SCG1				Operational
pfe-0/1/0			SCG1				Operational
pfe-0/2/0			SCG1				Operational
pfe-0/3/0			SCG1				Operational
ams1				SCG1				Maintenance - Active Phase

Note:

All subscribers serviced by the AMS interface must go to zero. You can wait for these conditions to be met, or use the clear command for the interface (or gateway) to force these conditions.

Delete or change AMS member interfaces and parameters.

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user@host> show unified-edge tdf gateway-name system interfaces service-mode
[edit unified-edge]
user@host# delete unified-edge tdf gateway-name system interface interface-name load-balancing-options member-interface mams-interface-name 
[edit interfaces]
user@host# set interfaces interface-name load-balancing-options member-interface mams-interface-name 
user@host# delete interfaces interface-name load-balancing-options high-availability-options many-to-one preferred-backup mams-interface-name 
user@host# set interfaces interface-name load-balancing-options high-availability-options many-to-one preferred-backup mams-interface-name 

Exit maintenance mode and commit the changes.

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user@host# delete unified-edge tdf gateway-name system interface interface-name service-mode maintenance
user@host# commit

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Subscriber-Aware and Application-Aware Traffic Treatment User Guide

Changing AMS Interface Parameters on a TDF Gateway

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