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Example: Configuring a Dynamic Service VLAN Interface Set of Subscribers in a Dynamic Profile
Interface sets enable you to provide hierarchical
scheduling to a group of subscriber interfaces. In this example, by
using the $junos-svlan-interface-set-name internal dynamic
variable when specifying the interface set name, you can locally generate
an interface set name for use by SVLAN interfaces based on the outer
tag of the dual-tagged VLAN. The format of the generated variable
is physical_interface_name - outer_VLAN_tag.
Requirements
Before you begin, configure the subscriber interfaces that you intend to include in the interface set. You can find general configuration instructions for the supported dynamic interface configuration in DHCP Subscriber Interface Overviewand in the following:
For dynamic VLAN interfaces, see Configuring a Static or Dynamic VLAN Subscriber Interface over Aggregated Ethernet.
For dynamic IP demux interfaces, see Configuring Dynamic Subscriber Interfaces Using IP Demux Interfaces in Dynamic Profiles and Configuring a Static or Dynamic IP Demux Subscriber Interface over Aggregated Ethernet.
For dynamic VLAN demux interfaces, see Configuring Dynamic Subscriber Interfaces Using VLAN Demux Interfaces in Dynamic Profiles.
Overview
Interface sets enable you to provide hierarchical scheduling
to a group of subscriber interfaces. By using the $junos-svlan-interface-set-name internal dynamic variable when specifying the interface set name,
you can locally generate an interface set name for use by SVLAN interfaces
based on the outer tag of the dual-tagged VLAN. The format of the
generated variable is physical_interface_name - outer_VLAN_tag.
This example includes the following statements:
interface-set—Configures the name of the scheduler for dynamic CoS. In this example, you use the$junos-svlan-interface-set-namevariable to obtain the locally generated interface set name for use by SVLAN interfaces based on the outer tag of the dual-tagged VLAN.output-traffic-control-profile—Applies an output traffic scheduling and shaping profile to the interface set.output-traffic-control-profile-remaining—Applies an output traffic scheduling and shaping profile for remaining traffic to the interface set.
Configuration
CLI Quick Configuration
To quickly configure this example, copy the
following commands, paste them into a text file, remove any line breaks,
change any details necessary to match your network configuration,
and then copy and paste the commands into the CLI at the [edit] hierarchy level.
[edit] set dynamic-profiles profile-dhcp-ipdemux interfaces interface-set $junos-svlan-interface-set-name interface $junos-interface-ifd-name unit $junos-underlying-interface-unit set dynamic-profiles profile-dhcp-ipdemux interfaces $junos-interface-ifd-name unit $junos-underlying-interface-unit set class-of-service traffic-control-profiles tcp1 scheduler-map schedMap set class-of-service traffic-control-profiles tcp1 shaping-rate 50m set class-of-service traffic-control-profiles tcp1 guaranteed-rate 200k set class-of-service traffic-control-profiles tcp3 scheduler-map ss1q0q1 set class-of-service traffic-control-profiles tcp3 shaping-rate 20m set class-of-service traffic-control-profiles tcp3 guaranteed-rate 5m set class-of-service interfaces interface-set ae0-111 output-traffic-control-profile tcp1 set class-of-service interfaces interface-set ae0-111 output-traffic-control-profile-remaining tcp3
Procedure
Step-by-Step Procedure
To configure an SVLAN interface set of subscriber interfaces:
Access the dynamic profile you want to modify for interface sets.
[edit] user@host# edit dynamic-profiles profile-dhcp-ipdemux
Access the dynamic profile interface configuration.
[edit dynamic-profiles profile-dhcp-ipdemux] user@host# edit interfaces
Configure the SVLAN interface set in the dynamic profile.
The interface set is created dynamically when the subscriber logs in.
[edit dynamic-profiles profile-dhcp-ipdemux interfaces] user@host# edit interface-set $junos–svlan-interface-set-name
Include dynamic IP demux interface creation within the dynamic interface set.
[edit dynamic-profiles profile-dhcp-ipdemux interfaces interface-set $junos-svlan-interface-set-name] user@host# set interface $junos-interface-ifd-name unit $junos-underlying-interface-unit
Access the SVLAN interface set name that you expect
$junos-svlan-interface-set-nameto generate. For example, to specify the expected interface set name for aggregated Ethernet interface ae0 and outer VLAN tag 111, include ae0-111 for theinterface-set-namevariable.[edit class-of-service interfaces] user@host# edit interface-set ae0-111
Apply traffic shaping and queuing parameters to the SVLAN interface set.
Tip:You must configure the interface set in the static
[edit class-of-service]hierarchy, not in the[edit dynamic-profiles]hierarchy.[edit class-of-service interfaces interface-set ae0-111] user@host# set output-traffic-control-profile tcp1
Apply traffic shaping and queuing parameters to any remaining traffic on the SVLAN interface set.
[edit class-of-service interfaces interface-set ae0-111] user@host# set output-traffic-control-profile-remaining tcp3
Results
From configuration mode, confirm your configuration
by entering the show dynamic-profiles command and the show class-of-service command. If the output does not display
the intended configuration, repeat the instructions in this example
to correct the configuration.
user@host# show dynamic-profiles
dynamic-profiles {
profile-dhcp-ipdemux {
interfaces {
interface-set "$junos-svlan-interface-set-name" {
interface "$junos-interface-ifd-name" {
unit "$junos-underlying-interface-unit";
}
}
"$junos-interface-ifd-name" {
unit "$junos-underlying-interface-unit";
}
}
}
}
user@host# show class-of-service
class-of-service {
traffic-control-profiles {
tcp1 {
scheduler-map schedMap;
shaping-rate 50m;
guaranteed-rate 200k;
}
tcp3 {
inactive: scheduler-map ss1q0q1;
shaping-rate 20m;
guaranteed-rate 5m;
}
}
interfaces {
interface-set ae0-111 {
output-traffic-control-profile tcp1;
output-traffic-control-profile-remaining tcp3;
}
}
}
Verification
To confirm that the configuration is correct, perform these tasks:
- Verifying the Interfaces that are Included in the Interface Set
- Displaying Information for Active Subscribers
Verifying the Interfaces that are Included in the Interface Set
Purpose
Verify the interfaces that are included in the interface set.
Action
user@host> show class-of-service interface-set
Displaying Information for Active Subscribers
Purpose
Display information for active subscribers.
Action
user@host> show subscribers detail