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Example: Configuring Shared Resources on Ethernet IQ2 Interfaces
For input traffic on physical interface ge-1/2/3,
logical interface units 1, 2, and 3 are sharing one set of scheduler-shaper resources, defined by traffic-control
profile s1. Logical interface units 4, 5, and 6 are sharing another set of scheduler-shaper
resources, defined by traffic-control profile s1.
For output traffic on physical interface ge-1/2/3, logical interface units 1, 2, and 3 are sharing one set of scheduler-shaper resources, defined by traffic-control
profile s2. Logical interface units 4, 5, and 6 are sharing another set scheduler-shaper
resources, defined by traffic-control profile s2.
For each physical interface, the shared-instance statement
creates one set of resources to be shared among units 1, 2, and 3 and another set of resources to
be shared among units 4, 5, and 6. Input and output shaping rates are configured at the physical interface
level, which demonstrates the hierarchical shaping capability of the
Gigabit Ethernet IQ2 PIC.
[edit]class-of-service {traffic-control-profiles {s1 {scheduler-map map1;shaping-rate 100k;}s2 {scheduler-map map1;shaping-rate 200k;}}forwarding-classes { # Map one forwarding class to one queue.queue 0 fc-be;queue 1 fc-be1;queue 2 fc-ef;queue 3 fc-ef1;queue 4 fc-af11;queue 5 fc-af12;queue 6 fc-nc1;queue 7 fc-nc2;}classifiers { # Map 802.1p bits to forwarding-class and loss-priority.ieee-802.1 ieee-8021p-table {forwarding-class fc-nc2 {loss-priority low code-points [111];}forwarding-class fc-nc1 {loss-priority low code-points [110];}forwarding-class fc-af12 {loss-priority low code-points [101];}forwarding-class fc-af11 {loss-priority low code-points [100];}forwarding-class fc-ef1 {loss-priority low code-points [011];}forwarding-class fc-ef {loss-priority low code-points [010];}forwarding-class fc-be1 {loss-priority low code-points [001];}forwarding-class fc-be {loss-priority low code-points [000];}}}interfaces {ge-1/2/3 {input-shaping-rate 500m;shaping-rate 500m; # Output shaping rateunit 0 { # Apply behavior aggregate classifier to an interface.classifiers {ieee-802.1 ieee-8021p-table;}}unit 1 {input-traffic-control-profile s1 shared-instance 1;output-traffic-control-profile s2 shared-instance 1;}unit 2 {input-traffic-control-profile s1 shared-instance 1;output-traffic-control-profile s2 shared-instance 1;}unit 3 {input-traffic-control-profile s1 shared-instance 1;output-traffic-control-profile s2 shared-instance 1;}unit 4 {input-traffic-control-profile s1 shared-instance 2;output-traffic-control-profile s2 shared-instance 2;}unit 5 {input-traffic-control-profile s1 shared-instance 2;output-traffic-control-profile s2 shared-instance 2;}unit 6 {input-traffic-control-profile s1 shared-instance 2;output-traffic-control-profile s2 shared-instance 2;}}}}
Configuring a Simple Filter
Configure a simple filter that overrides the classification
derived from the lookup of the Layer 2 fields.
firewall {family inet {simple-filter sf-1 {term 1 {source-address 172.16.0.0/16;destination-address 20.16.0.0/16;source-port 1024-9071;}then { # Action with term-1forwarding-class fc-be1;loss-priority high;}term 2 {source-address 173.16.0.0/16;destination-address 21.16.0.0/16;}then { # Action with term-2forwarding-class fc-ef1;loss-priority low;}}
interfaces { # Apply the simple filter.ge-1/2/3 {unit 0 {family inet {simple-filter {input sf-1;}}}}
class-of-service {scheduler-maps { # Configure a custom scheduler map.map1 {forwarding-class fc-be scheduler sch-Q0;forwarding-class fc-be1 scheduler sch-Q1;forwarding-class fc-ef scheduler sch-Q2;forwarding-class fc-ef1 scheduler sch-Q3;forwarding-class fc-af11 scheduler sch-Q4;forwarding-class fc-af12 scheduler sch-Q5;forwarding-class fc-nc1 scheduler sch-Q6;forwarding-class fc-nc2 scheduler sch-Q7;}}
schedulers { # Define schedulers.sch-Q0 {transmit-rate percent 25;buffer-size percent 25;priority low;drop-profile-map loss-priority any protocol any drop-profile drop-default;}
sch-Q1 {transmit-rate percent 5;buffer-size temporal 2000;priority high;drop-profile-map loss-priority any protocol any drop-profile drop-ef;}
sch-Q2 {transmit-rate percent 35;buffer-size percent 35;priority low;drop-profile-map loss-priority any protocol any drop-profile drop-default;}
sch-Q3 {transmit-rate percent 5;buffer-size percent 5;drop-profile-map loss-priority any protocol any drop-profile drop-default;}
sch-Q4 {transmit-rate percent 5;priority high;drop-profile-map loss-priority any protocol any drop-profile drop-ef;}
sch-Q5 {transmit-rate percent 10;priority high;drop-profile-map loss-priority any protocol any drop-profile drop-ef;}
sch-Q6 {transmit-rate remainder;priority low;drop-profile-map loss-priority any protocol any drop-profile drop-default;}
sch-Q7 {transmit-rate percent 5;priority high;drop-profile-map loss-priority any protocol any drop-profile drop-default;}
Published: 2013-07-31
