Applying Services to Subscriber-Aware Traffic with a Service Set

date_range 13-Jan-21

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Junos OS supports subscriber-aware services for the subscribers belonging to a particular TDF domain through the configuration of a subscriber-aware service set. The service set is assigned to the TDF domain’s TDF interface (mif).

Before you configure the service set, complete the following tasks:

Configure the service PIC for the service set.
Configure the TDF interface (mif).
Configure the PCEF profile at the [edit unified-edge pcef] hierarchy level.
Configure any NAT rules or rule sets that you want to apply.

To configure the subscriber-aware services for a TDF domain’s subscribers:

Configure a PCEF profile at the [services] hierarchy level by specifying a name for the PCEF profile. This profile is a placeholder profile with no configuration options, but it must be created.
```
[edit services]
user@host# set pcef profile pcef-profile-name 
```
Configure an application identification profile by specifying a name for the profile. This profile is a placeholder profile with no configuration options, but it must be created.
```
[edit services application-identification]
user@host# set profile app-id-profile-name 
```
Configure an HTTP header enrichment profile by specifying a name for the profile. This profile is a placeholder profile with no configuration options, but it must be created.
```
[edit services hcm]
user@host# set profile hcm-profile-name 
```

Define a subscriber-aware service set.

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[edit services]
user@host# set service-set service-set-name service-set-options subscriber-awareness 

Enable PCEF services for the service set. Use the profile name that you configured in Step 1.
```
[edit services service-set service-set-name]
user@host# set pcef-profile pcef-profile-name 
```
Enable application identification for the service set. Use the profile name that you configured in Step 2.
```
[edit services service-set service-set-name]
user@host# set application-identification-profile app-id-profile-name 
```
Enable HTTP header enrichment for the service set. Use the profile name that you configured in Step 3.
```
[edit services service-set service-set-name]
user@host# set hcm-profile hcm-profile-name 
```

Specify NAT rules or rule-sets for the service set.

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[edit services service-set service-set-name]
user@host# set ([nat-rules rule-name] | nat-rule-sets rule-set-name)

Specify the services PIC interface on which the services are performed.
```
[edit services service-set service-set-name]
user@host# set interface-service service-interface interface-name 
```
The interface-name is amsn if you have redundancy configured and is ms-fpc/pci/0 if you do not have redundancy configured.
Apply the service set to the TDF interface (mif) that is part of the TDF domain.
```
[edit interfaces mif unit number family family service]
user@host# set input service-set service-set-name 
user@host# set output service-set service-set-name 
```
Note:
The output service set for the mif is not used by the MX Series router, but it must be configured so that the configuration commit does not fail.

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