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Example: Configuring Per-Unit Scheduling for Subscriber Access

In this example, a network administrator sets up a subscriber access configuration with per-unit scheduling.

  1. The administrator configures the static VLAN interfaces and enables per-unit scheduling for the interfaces.
    [edit]interfaces {ge-1/1/0 {per-unit-scheduler;vlan-tagging;unit 100 {vlan-id 100;family inet {unnumbered-address lo0.0 preferred-source-address 192.100.1.1;}}unit 200 {vlan-id 200;family inet {unnumbered-address lo0.0 preferred-source-address 192.100.1.1;}}}ge-1/1/1 {per-unit-scheduler;vlan-tagging;unit 100 {vlan-id 100;family inet {unnumbered-address lo0.0 preferred-source-address 192.100.1.1;}}unit 200 {vlan-id 200;family inet {unnumbered-address lo0.0 preferred-source-address 192.100.1.1;}}}ge-1/0/1 {unit 0 {family inet {address 3.1.1.1/24;}}}ge-1/1/2 {description "wfce14 eth1 soso ge-1/1/2";vlan-tagging;gigether-options {no-auto-negotiation;}unit 100 {vlan-id 100;family inet {address 121.0.0.1/24;}}}}
  2. The administrator configures static CoS parameters, including forwarding classes and classifiers, to be referenced in the dynamic profiles.
    [edit]class-of-service {classifiers {inet-precedence 8q-inet {forwarding-class be {loss-priority low code-points 000;}forwarding-class ef {loss-priority low code-points 001;}forwarding-class af {loss-priority low code-points 010;}forwarding-class nc {loss-priority low code-points 011;}forwarding-class voice {loss-priority low code-points 100;}forwarding-class video {loss-priority low code-points 101;}forwarding-class game {loss-priority low code-points 110;}forwarding-class data {loss-priority low code-points 111;}}inet-precedence 4q-inet {forwarding-class be {loss-priority low code-points [ 000 001 ];}forwarding-class ef {loss-priority low code-points [ 010 011 ];}forwarding-class af {loss-priority low code-points [ 100 101 ];}forwarding-class nc {loss-priority low code-points [ 110 111 ];}}inet-precedence 8q-drop-inet {forwarding-class be {loss-priority low code-points 000;}forwarding-class ef {loss-priority medium-low code-points 001;}forwarding-class af {loss-priority medium-high code-points 010;}forwarding-class nc {loss-priority high code-points 011;}forwarding-class voice {loss-priority low code-points 100;}forwarding-class video {loss-priority medium-low code-points 101;}forwarding-class game {loss-priority medium-high code-points 110;}forwarding-class data {loss-priority high code-points 111;}}inet-precedence 4q-drop-inet {forwarding-class be {loss-priority low code-points [ 000 001 ];}forwarding-class ef {loss-priority medium-low code-points [ 010 011 ];}forwarding-class af {loss-priority medium-high code-points [ 100 101 ];}forwarding-class nc {loss-priority high code-points [ 110 111 ];}}}drop-profiles {d0 {fill-level 25 drop-probability 100;fill-level 0 drop-probability 0;}d1 {fill-level 50 drop-probability 100;fill-level 0 drop-probability 0;}d2 {fill-level 75 drop-probability 100;fill-level 0 drop-probability 0;}d3 {fill-level 100 drop-probability 100;fill-level 0 drop-probability 0;}all {fill-level 0 drop-probability 0;fill-level 100 drop-probability 100;}}forwarding-classes {queue 0 be;queue 1 ef;queue 2 af;queue 3 nc;queue 4 voice;queue 5 video;queue 6 game;queue 7 data;}interfaces {ge-1/0/1 {unit 0 {classifiers {inet-precedence 8q-drop-low-high-inet;}}}}traceoptions {flag all;flag asynch;flag route-socket;}}
  3. The administrator configures the access and service dynamic profiles to receive CoS parameters for the subscriber interfaces through RADIUS.
    [edit]dynamic-profiles {subscriber {interfaces {"$junos-interface-ifd-name" {unit "$junos-underlying-interface-unit" {family inet;}}}class-of-service {traffic-control-profiles {zero {scheduler-map "$junos-cos-scheduler-map";shaping-rate "$junos-cos-shaping-rate";guaranteed-rate "$junos-cos-guaranteed-rate";delay-buffer-rate "$junos-cos-delay-buffer-rate";}}interfaces {"$junos-interface-ifd-name" {unit "$junos-underlying-interface-unit" {output-traffic-control-profile zero;}}}scheduler-maps {be_smap {forwarding-class be scheduler be_sch;}all_smap {forwarding-class be scheduler be_sch;forwarding-class ef scheduler ef_sch;forwarding-class af scheduler af_sch;forwarding-class nc scheduler nc_sch;forwarding-class video scheduler video_sch;forwarding-class data scheduler data_sch;}be_ef_smap {forwarding-class be scheduler be_sch;forwarding-class ef scheduler ef_sch;}af_smap {forwarding-class af scheduler af_sch;}be_ef_af_nc_smap {forwarding-class be scheduler be_sch;forwarding-class ef scheduler ef_sch;forwarding-class af scheduler af_sch;forwarding-class nc scheduler nc_sch;}voice_video_game_data_smap {forwarding-class voice scheduler voice_sch;forwarding-class video scheduler video_sch;forwarding-class game scheduler game_sch;forwarding-class data scheduler data_sch;}}schedulers {"$junos-cos-scheduler" {transmit-rate percent "$junos-cos-scheduler-tx";buffer-size percent "$junos-cos-scheduler-bs";priority "$junos-cos-scheduler-pri";drop-profile-map loss-priority low protocol any drop-profile "$junos-cos-scheduler-dropfile-low";drop-profile-map loss-priority medium-low protocol any drop-profile "$junos-cos-scheduler-dropfile-medium-low";drop-profile-map loss-priority medium-high protocol any drop-profile "$junos-cos-scheduler-dropfile-medium-high";drop-profile-map loss-priority high protocol any drop-profile "$junos-cos-scheduler-dropfile-high";}}}}service {variables {fc_1 default-value be;sch_1 default-value be_sch;sch-tx_1 default-value 20000000;sch-bs_1 default-value 10;sch-pri_1 default-value high;sch-drop-low_1 default-value d3;sch-drop-med-low_1 default-value d2;sch-drop-med-high_1 default-value d1;sch-drop-high_1 default-value d0;sch-drop-any_1 default-value d3;fc_2 default-value af;sch_2 default-value af_sch;sch-tx_2 default-value 10;sch-bs_2 default-value 10;sch-pri_2 default-value high;sch-drop-low_2 default-value d3;sch-drop-med-low_2 default-value d2;sch-drop-med-high_2 default-value d1;sch-drop-high_2 default-value d0;sch-drop-any_2 default-value d3;fc_3 default-value voice;sch_3 default-value voice_sch;sch-tx_3 default-value 20000000;sch-bs_3 default-value 10;sch-pri_3 default-value high;sch-drop-low_3 default-value d3;sch-drop-med-low_3 default-value d2;sch-drop-med-high_3 default-value d1;sch-drop-high_3 default-value d0;sch-drop-any_3 default-value d3;fc_4 default-value game;sch_4 default-value game_sch;sch-tx_4 default-value 10;sch-bs_4 default-value 10;sch-pri_4 default-value high;sch-drop-low_4 default-value d3;sch-drop-med-low_4 default-value d2;sch-drop-med-high_4 default-value d1;sch-drop-high_4 default-value d0;sch-drop-any_4 default-value d3;scheduler-map default-value all_smap;}class-of-service {scheduler-maps {"$scheduler-map" {forwarding-class "$fc_1" scheduler "$sch_1";forwarding-class "$fc_2" scheduler "$sch_2";forwarding-class "$fc_3" scheduler "$sch_3";forwarding-class "$fc_4" scheduler "$sch_4";}}schedulers {"$sch_1" {transmit-rate "$sch-tx_1";buffer-size percent "$sch-bs_1";priority "$sch-pri_1";drop-profile-map loss-priority low protocol any drop-profile "$sch-drop-low_1";drop-profile-map loss-priority medium-low protocol any drop-profile "$sch-drop-med-low_1";drop-profile-map loss-priority medium-high protocol any drop-profile "$sch-drop-med-high_1";drop-profile-map loss-priority high protocol any drop-profile "$sch-drop-high_1";}"$sch_2" {transmit-rate percent "$sch-tx_2";buffer-size percent "$sch-bs_2";priority "$sch-pri_2";drop-profile-map loss-priority low protocol any drop-profile "$sch-drop-low_2";drop-profile-map loss-priority medium-low protocol any drop-profile "$sch-drop-med-low_2";drop-profile-map loss-priority medium-high protocol any drop-profile "$sch-drop-med-high_2";drop-profile-map loss-priority high protocol any drop-profile "$sch-drop-high_2";}"$sch_3" {transmit-rate "$sch-tx_3";buffer-size percent "$sch-bs_3";priority "$sch-pri_3";drop-profile-map loss-priority low protocol any drop-profile "$sch-drop-low_3";drop-profile-map loss-priority medium-low protocol any drop-profile "$sch-drop-med-low_3";drop-profile-map loss-priority medium-high protocol any drop-profile "$sch-drop-med-high_3";drop-profile-map loss-priority high protocol any drop-profile "$sch-drop-high_3";}"$sch_4" {transmit-rate percent "$sch-tx_4";buffer-size percent "$sch-bs_4";priority "$sch-pri_4";drop-profile-map loss-priority low protocol any drop-profile "$sch-drop-low_4";drop-profile-map loss-priority medium-low protocol any drop-profile "$sch-drop-med-low_4";drop-profile-map loss-priority medium-high protocol any drop-profile "$sch-drop-med-high_4";drop-profile-map loss-priority high protocol any drop-profile "$sch-drop-high_4";}}}}service_2 {variables {fc_1 default-value be;sch_1 default-value be_sch;sch-tx_1 default-value 10;sch-bs_1 default-value 10;sch-pri_1 default-value high;sch-drop-low_1 default-value d3;sch-drop-med-low_1 default-value d2;sch-drop-med-high_1 default-value d1;sch-drop-high_1 default-value d0;sch-drop-any_1 default-value d3;scheduler-map default-value all_smap;}class-of-service {scheduler-maps {"$scheduler-map" {forwarding-class "$fc_1" scheduler "$sch_1";}}schedulers {"$sch_1" {transmit-rate percent "$sch-tx_1";buffer-size percent "$sch-bs_1";priority "$sch-pri_1";drop-profile-map loss-priority low protocol any drop-profile "$sch-drop-low_1";drop-profile-map loss-priority medium-low protocol any drop-profile "$sch-drop-med-low_1";drop-profile-map loss-priority medium-high protocol any drop-profile "$sch-drop-med-high_1";drop-profile-map loss-priority high protocol any drop-profile "$sch-drop-high_1";}}}}}
  4. The network administrator configures DHCP and RADIUS to grant access and services to the interfaces referenced by the subscriber dynamic profile.
    [edit]forwarding-options {dhcp-relay {traceoptions {file size 1g;flag all;}dynamic-profile subscriber aggregate-clients replace;server-group {subscriber-server {3.1.1.2;}}active-server-group subscriber-server;group relay-0 {authentication {password pwd0;username-include {user-prefix user0;mac-address;}}interface ge-1/1/0.100;interface ge-1/1/0.200;}}}radius-server {121.0.0.11 secret "$9$mPF/u0Icrv1RvL7V4oik.Pz3/CtOIE"; ## SECRET-DATA}profile subscriber-profile {authentication-order radius;radius {authentication-server 121.0.0.11;accounting-server 121.0.0.11;}radius-server {121.0.0.11 secret "$9$.mz6pu1hyKBIK8xdg4jHqmQF69A01R"; ## SECRET-DATA}accounting {order radius;statistics time;}}

Published: 2010-04-15

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