예: EX 시리즈 스위치에서 CoS 구성
스위치에서 서비스 등급(CoS)를 구성하여 트래픽을 관리하여 네트워크 정체와 지연이 경험되면 중요한 애플리케이션을 보호할 수 있습니다. CoS를 사용하면 스위치의 트래픽을 클래스로 분할하고 다양한 수준의 처리량과 패킷 손실을 제공할 수 있습니다. 이는 음성 트래픽과 같은 지터와 지연에 민감한 트래픽에 특히 중요합니다.
이 예에서는 네트워크에서 단일 EX 시리즈 스위치에서 CoS를 구성하는 방법을 보여줍니다.
요구 사항
이 예에서는 다음과 같은 하드웨어 및 소프트웨어 구성 요소를 활용합니다.
EX3200 및 EX4200 스위치
Junos OS EX Series 스위치용 릴리즈 9.0 이상
개요 및 토폴로지
이 예에서는 그림 1의 토폴로지 를 사용하여
그림 1: CoS 구성을 위한 토폴로지
이 구성 예제의 토폴로지는 액세스 레이어의 EX3200 및 EX4200 스위치로 구성됩니다.
EX Series 액세스 스위치는 VLAN 멤버십을 지원하도록 구성됩니다. EX3200 액세스 레이어 스위치에서 인터페이스는 2개의 VoIP IP 전화기에서 ge-0/0/0 ge-0/0/1 음성 VLAN()에 voice-vlan 할당됩니다. 감시 카메라를 위해 스위치 인터페이스가 카메라 ge-0/0/2 VLAN()에 camera-vlan 할당됩니다. 스위치 인터페이스 ge-0/0/3 ge-0/0/4 , 그리고 ge-0/0/5 ge-0/0/6 Citrix, Microsoft, Oracle 및 SAP에서 제공하는 애플리케이션과 같은 다양한 애플리케이션을 호스팅하는 서버에 대해 서버 VLAN()에 server-vlan 할당됩니다. EX3200 트렁크 포트, ge-0/0/20 및 ge-0/0/21이 서버, 음성, 직원 및 카메라 VLA에 할당되어 업링크 포트로 사용되어 분산 레이어 스위치를 연결합니다.
EX4200 스위치는 직원 및 음성 VLA를 유사하게 연결하기 위해 액세스 레이어에 포함되어 있습니다. 이 예에서는 해당 스위치에 대한 구성 세부 사항을 보여주지 않습니다.
표 1에는 VLAN 구성 구성 요소가 표시되어 있습니다.
VLAN 이름 |
VLAN ID |
VLAN 서브넷 및 가용 IP 주소 |
VLAN 설명 |
|---|---|---|---|
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직원 VoIP 통신에 사용되는 음성 VLAN |
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감시 카메라를 위한 VLAN. |
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엔터프라이즈 애플리케이션을 호스팅하는 서버를 위한 VLAN |
PoE 지원 포트는 PoE(Power over Ethernet)(PoE)를 지원하여 포트에 연결하는 VoIP 전화기에 대한 네트워크 연결과 전력을 모두 제공합니다. 표 2에는 48포트 스위치의 스위치 포트에 연결된 장치의 IP 주소와 VLA에 할당된 스위치 인터페이스가 표시되어 있으며, 이 모든 포트는 PoE 있습니다.
인터페이스 |
VLAN 멤버십 |
IP 주소 |
포트 디바이스 |
|---|---|---|---|
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2개의 VoIP 전화기. |
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감시 카메라 |
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Citrix, Microsoft, Oracle, SAP가 제공하는 애플리케이션을 호스팅하는 4개 서버. |
참고:
이 예에서는 독립형 EX 시리즈 스위치에서 CoS를 구성하는 방법을 보여줍니다. 이 예에서는 ingress 및 egress 스위치에 서로 다른 구성을 구현하여 네트워크의 노드 집합에서 서로 다른 클래스에 대한 차별화된 처리를 제공할 수 있는 CoS의 네트워크 전반 애플리케이션을 고려하지 않습니다.
참고:
전송 속도 구성 시 엄격한 우선 순위로 구성된 스케줄러가 종종 볼 수 있습니다. 하지만 엄격한 우선 순위의 스케줄러가 무제한 대역폭을 얻게 하여 전송 속도 매개 변수가 영향을 미치기 때문에 해당 구성은 오해의 를 떨어질 수 있습니다. 이 구성을 통해 혼잡이 있는 경우 우선 순위가 낮은 대기열이 고전을 겪을 수 있습니다. 우선 순위가 엄격한 스케줄러가 셰이핑 속도 매개변수를 구성하는 것이 낫습니다. 이 매개 변수는 대역폭을 제한하는 올바른 방식으로 구성됩니다.
구성
절차
CLI 빠른 구성
CoS를 신속하게 구성하기 위해 다음 명령을 복사하여 스위치 터미널 창에 붙여넣기:
[edit] set class-of-service forwarding-classes class app queue-num 5 set class-of-service forwarding-classes class mail queue-num 1 set class-of-service forwarding-classes class db queue-num 2 set class-of-service forwarding-classes class erp queue-num 3 set class-of-service forwarding-classes class video queue-num 4 set class-of-service forwarding-classes class best-effort queue-num 0 set class-of-service forwarding-classes class voice queue-num 6 set class-of-service forwarding-classes class network-control queue-num 7 set firewall family ethernet-switching filter voip_class term voip from source-address 192.168.1.1/28 set firewall family ethernet-switching filter voip_class term voip from source-address 192.168.1.2/28 set firewall family ethernet-switching filter voip_class term voip from protocol udp set firewall family ethernet-switching filter voip_class term voip from source-port 2698 set firewall family ethernet-switching filter voip_class term voip then forwarding-class voice loss-priority low set firewall family ethernet-switching filter voip_class term network_control from precedence [net-control internet-control] set firewall family ethernet-switching filter voip_class term network_control then forwarding-class network-control loss-priority low set firewall family ethernet-switching filter voip_class term best_effort_traffic then forwarding-class best-effort loss-priority low set interfaces ge-0/0/0 description phone1–voip-ingress-port set interfaces ge-0/0/0 unit 0 family ethernet-switching filter input voip_class set class-of-service interfaces ge-0/0/0 shaping-rate 100m set interfaces ge-0/0/1 description phone2–voip-ingress-port set interfaces ge-0/0/1 unit 0 family ethernet-switching filter input voip_class set firewall family ethernet-switching filter video_class term video from source-address 192.168.1.17/28 set firewall family ethernet-switching filter video_class term video from protocol udp set firewall family ethernet-switching filter video_class term video from source-port 2979 set firewall family ethernet-switching filter video_class term video then forwarding-class video loss-priority low set firewall family ethernet-switching filter video_class term network_control from precedence [net-control internet-control] set firewall family ethernet-switching filter video_class term network_control then forwarding-class network-control loss-priority low set firewall family ethernet-switching filter video_class term best_effort_traffic then forwarding-class best-effort loss-priority low set interfaces ge-0/0/2 description video-ingress-port set interfaces ge-0/0/2 unit 0 family ethernet-switching filter input video_class set firewall family ethernet-switching filter app_class term app from source-address 192.168.1.33/28 set firewall family ethernet-switching filter app_class term app from protocol tcp set firewall family ethernet-switching filter app_class term app from source-port [1494 2512 2513 2598 2897] set firewall family ethernet-switching filter app_class term app then forwarding-class app loss-priority low set firewall family ethernet-switching filter app_class term mail from source-address 192.168.1.34/28 set firewall family ethernet-switching filter app_class term mail from protocol tcp set firewall family ethernet-switching filter app_class term mail from source-port [25 143 389 691 993 3268 3269] set firewall family ethernet-switching filter app_class term mail then forwarding-class mail loss-priority low set firewall family ethernet-switching filter app_class term db from source-address 192.168.1.35/28 set firewall family ethernet-switching filter app_class term db from protocol tcp set firewall family ethernet-switching filter app_class term db from source-port [1521 1525 1527 1571 1810 2481] set firewall family ethernet-switching filter app_class term db then forwarding-class db loss-priority low set firewall family ethernet-switching filter app_class term erp from source-address 192.168.1.36/28 set firewall family ethernet-switching filter app_class term erp from protocol tcp set firewall family ethernet-switching filter app_class term erp from source-port [3200 3300 3301 3600] set firewall family ethernet-switching filter app_class term erp then forwarding-class erp loss-priority low set firewall family ethernet-switching filter app_class term network_control from precedence [net-control internet-control] set firewall family ethernet-switching filter app_class term network_control then forwarding-class network-control loss-priority low set firewall family ethernet-switching filter app_class term best_effort_traffic then forwarding-class best-effort loss-priority low set interfaces ge-0/0/3 unit 0 family ethernet-switching filter input app_class set interfaces ge-0/0/4 unit 0 family ethernet-switching filter input app_class set interfaces ge-0/0/5 unit 0 family ethernet-switching filter input app_class set interfaces ge-0/0/6 unit 0 family ethernet-switching filter input app_class set class-of-service schedulers voice-sched shaping-rate percent 10 set class-of-service schedulers voice-sched buffer-size percent 10 set class-of-service schedulers voice-sched priority strict-high set class-of-service schedulers video-sched priority low set class-of-service schedulers video-sched transmit-rate percent 15 set class-of-service schedulers app-sched buffer-size percent 10 set class-of-service schedulers app-sched priority low set class-of-service schedulers app-sched transmit-rate percent 10 set class-of-service schedulers mail-sched buffer-size percent 5 set class-of-service schedulers mail-sched priority low set class-of-service schedulers mail-sched transmit-rate percent 5 set class-of-service schedulers db-sched buffer-size percent 10 set class-of-service schedulers db-sched priority low set class-of-service schedulers db-sched transmit-rate percent 10 set class-of-service schedulers erp-sched buffer-size percent 10 set class-of-service schedulers erp-sched priority low set class-of-service schedulers erp-sched transmit-rate percent 10 set class-of-service schedulers nc-sched shaping-rate percent 5 set class-of-service schedulers nc-sched buffer-size percent 5 set class-of-service schedulers nc-sched priority strict-high set class-of-service schedulers be-sched buffer-size percent 35 set class-of-service schedulers be-sched priority low set class-of-service schedulers be-sched transmit-rate percent 35 set class-of-service scheduler-maps ethernet-cos-map forwarding-class voice scheduler voice-sched set class-of-service scheduler-maps ethernet-cos-map forwarding-class video scheduler video-sched set class-of-service scheduler-maps ethernet-cos-map forwarding-class app scheduler app-sched set class-of-service scheduler-maps ethernet-cos-map forwarding-class mail scheduler mail-sched set class-of-service scheduler-maps ethernet-cos-map forwarding-class db scheduler db-sched set class-of-service scheduler-maps ethernet-cos-map forwarding-class erp scheduler erp-sched set class-of-service scheduler-maps ethernet-cos-map forwarding-class network-control scheduler nc-sched set class-of-service scheduler-maps ethernet-cos-map forwarding-class best-effort scheduler be-sched set class-of-service interfaces ge-0/0/20 scheduler-map ethernet-cos-map set class-of-service interfaces ge-0/0/21 scheduler-map ethernet-cos-map set class-of-service schedulers voice-sched-queue-shap shaping-rate 30m set class-of-service scheduler-maps sched-map-be forwarding-class best-effort scheduler voice-sched-queue-shap set class-of-service interfaces ge-0/0/2 scheduler-map sched-map-be
단계별 절차
CoS 구성 및 적용:
8개의 포우링 클래스와 8개의 큐 간에 일대일 매핑을 구성합니다.
[edit class-of-service] user@switch# set forwarding-classes class app queue-num 5 user@switch# set forwarding-classes class mail queue-num 1 user@switch# set forwarding-classes class db queue-num 2 user@switch# set forwarding-classes class erp queue-num 3 user@switch# set forwarding-classes class video queue-num 4 user@switch# set forwarding-classes class best-effort queue-num 0 user@switch# set forwarding-classes class voice queue-num 6 user@switch# set forwarding-classes class network-control queue-num 7
VoIP 트래픽을 분류하기 위한
voip_class방화벽 필터를 정의합니다.[edit firewall] user@switch# set family ethernet-switching filter voip_class
다음 용어를
voip정의합니다.[edit firewall] user@switch# set family ethernet-switching filter voip_class term voip from source-address 192.168.1.1/28 user@switch# set family ethernet-switching filter voip_class term voip from source-address 192.168.1.2/28 user@switch# set family ethernet-switching filter voip_class term voip protocol udp user@switch# set family ethernet-switching filter voip_class term voip source-port 2698 user@switch# set family ethernet-switching filter voip_class term voip then forwarding-class voice loss-priority low
용어
network_controlvoip_class정의(필터용):[edit firewall] user@switch# set family ethernet-switching filter voip_class term network_control from precedence [net-control internet-control] user@switch# set family ethernet-switching filter voip_class term network_control then forwarding-class network-control loss-priority low
필터에 대해 일치 조건이
best_effort_traffic없는voip_class용어를 정의합니다.[edit firewall] user@switch# set family ethernet-switching filter voip_class term best_effort_traffic then forwarding-class best-effort loss-priority low
방화벽 필터를 VoIP 전화의 인터페이스에 입력
voip_class필터로 적용합니다.[edit interfaces] user@switch# set ge-0/0/0 description phone1-voip-ingress-port user@switch# set ge-0/0/0 unit 0 family ethernet-switching filter input voip_class user@switch# set ge-0/0/1 description phone2-voip-ingress-port user@switch# set ge-0/0/1 unit 0 family ethernet-switching filter input voip_class
인터페이스 ge-0/0/0에서 포트 셰이핑 적용:
[edit] user@switch# set class-of-service interfaces ge-0/0/0 shaping-rate 100m
비디오 트래픽을 분류하기 위한 방화벽
video_class필터를 정의합니다.[edit firewall] user@switch# set family ethernet-switching filter video_class
다음 용어를
video정의합니다.[edit firewall] user@switch# set family ethernet-switching filter video_class term video from source-address 192.168.1.17/28 user@switch# set family ethernet-switching filter video_class term video protocol udp user@switch# set family ethernet-switching filter video_class term video source-port 2979 user@switch# set family ethernet-switching filter video_class term video then forwarding-class video loss-priority low
용어
network_controlvideo_class정의(필터용):[edit firewall] user@switch# set family ethernet-switching filter video_class term network_control from precedence [net-control internet-control] user@switch# set family ethernet-switching filter video_class term network_control then forwarding-class network-control loss-priority low
필터에 대해 일치 조건이
best_effort_traffic없는video_class용어를 정의합니다.[edit firewall] user@switch# set family ethernet-switching filter video_class term best_effort_traffic then forwarding-class best-effort loss-priority low
방화벽 필터를 감시 카메라를 위한 인터페이스에 입력
video_class필터로 적용합니다.[edit interfaces] user@switch# set ge-0/0/2 description video-ingress-port user@switch# set ge-0/0/2 unit 0 family ethernet-switching filter input video_class
애플리케이션 서버 트래픽을 분류하기 위한 방화벽
app_class필터를 정의합니다.[edit firewall] user@switch# set family ethernet-switching filter app_class
용어
appapp_class정의(필터용):[edit firewall] user@switch# set family ethernet-switching filter app_class term app from source-address 192.168.1.33/28 user@switch# set family ethernet-switching filter app_class term app protocol tcp user@switch# set family ethernet-switching filter app_class term app source-port [1494 2512 2513 2598 2897] user@switch# set family ethernet-switching filter app_class term app then forwarding-class app loss-priority low
용어
mailapp_class정의(필터용):[edit firewall] user@switch# set family ethernet-switching filter app_class term mail from source-address 192.168.1.34/28 user@switch# set family ethernet-switching filter app_class term mail protocol tcp user@switch# set family ethernet-switching filter app_class term mail source-port [25 143 389 691 993 3268 3269] user@switch# set family ethernet-switching filter app_class term mail then forwarding-class mail loss-priority low
용어
dbapp_class정의(필터용):[edit firewall] user@switch# set family ethernet-switching filter app_class term db from source-address 192.168.1.35/28 user@switch# set family ethernet-switching filter app_class term db protocol tcp user@switch# set family ethernet-switching filter app_class term db source-port [1521 1525 1527 1571 1810 2481] user@switch# set family ethernet-switching filter app_class term db then forwarding-class db loss-priority low
용어
erpapp_class정의(필터용):[edit firewall] user@switch# set family ethernet-switching filter app_class term erp from source-address 192.168.1.36/28 user@switch# set family ethernet-switching filter app_class term erp protocol tcp user@switch# set family ethernet-switching filter app_class term erp source-port [3200 3300 3301 3600] user@switch# set family ethernet-switching filter app_class term erp then forwarding-class erp loss-priority low
용어
network_controlapp_class정의(필터용):[edit firewall] user@switch# set family ethernet-switching filter app_class term network_control from precedence [net-control internet-control] user@switch# set family ethernet-switching filter app_class term network_control then forwarding-class network-control loss-priority low
용어
best_effort_trafficapp_class정의(필터용):[edit firewall] user@switch# set family ethernet-switching filter app_class term best_effort_traffic then forwarding-class best-effort loss-priority low
방화벽 필터를 입력 필터로 적용하여 애플리케이션을 호스팅하는 서버의
app_class인터페이스에 적용합니다.[edit interfaces] user@switch# set ge-0/0/3 unit 0 family ethernet-switching filter input app_class user@switch# set ge-0/0/4 unit 0 family ethernet-switching filter input app_class user@switch# set ge-0/0/5 unit 0 family ethernet-switching filter input app_class user@switch# set ge-0/0/6 unit 0 family ethernet-switching filter input app_class
스케줄러 구성:
[edit class-of-service] user@switch# set schedulers voice-sched shaping-rate percent 10 user@switch# set schedulers voice-sched buffer-size percent 10 user@switch# set schedulers voice-sched priority strict-high user@switch# set schedulers video-sched priority low user@switch# set schedulers video-sched transmit-rate percent 15 user@switch# set schedulers app-sched buffer-size percent 10 user@switch# set schedulers app-sched priority low user@switch# set schedulers app-sched transmit-rate percent 10 user@switch# set schedulers mail-sched buffer-size percent 5 user@switch# set schedulers mail-sched priority low user@switch# set schedulers mail-sched transmit-rate percent 5 user@switch# set schedulers db-sched buffer-size percent 10 user@switch# set schedulers db-sched priority low user@switch# set schedulers db-sched transmit-rate percent 10 user@switch# set schedulers erp-sched buffer-size percent 10 user@switch# set schedulers erp-sched priority low user@switch# set schedulers erp-sched transmit-rate percent 10 user@switch# set schedulers nc-sched shaping-rate percent 5 user@switch# set schedulers nc-sched buffer-size percent 5 user@switch# set schedulers nc-sched priority strict-high user@switch# set schedulers nc-sched transmit-rate percent 5 user@switch# set schedulers be-sched buffer-size percent 35 user@switch# set schedulers be-sched priority low user@switch# set schedulers be-sched transmit-rate percent 35
스케줄러 맵을 통해 포링 클래스를 스케줄러에
ethernet-cos-map할당합니다.[edit class-of-service] user@switch# set scheduler-maps ethernet-cos-map forwarding-class voice scheduler voice-sched user@switch# set scheduler-maps ethernet-cos-map forwarding-class video scheduler video-sched user@switch# set scheduler-maps ethernet-cos-map forwarding-class app scheduler app-sched user@switch# set scheduler-maps ethernet-cos-map forwarding-class mail scheduler mail-sched user@switch# set scheduler-maps ethernet-cos-map forwarding-class db scheduler db-sched user@switch# set scheduler-maps ethernet-cos-map forwarding-class erp scheduler erp-sched user@switch# set scheduler-maps ethernet-cos-map forwarding-class network-control scheduler nc-sched user@switch# set scheduler-maps ethernet-cos-map forwarding-class best-effort scheduler be-sched
스케줄러 맵을 아웃사이트 인터페이스에 연결합니다.
[edit class-of-service interfaces] user@switch# set ge-0/0/20 scheduler-map ethernet-cos-map user@switch# set ge-0/0/21 scheduler-map ethernet-cos-map
best-effort 큐에 큐 셰이핑을 적용합니다.
[edit] user@switch# set class-of-service schedulers voice-sched-queue-shap shaping-rate 30m user@switch# set class-of-service scheduler-maps sched-map-be forwarding-class best-effort scheduler voice-sched-queue-shap user@switch# set class-of-service interfaces ge-0/0/2 scheduler-map sched-map-be
결과
구성의 결과를 표시합니다.
user@switch> show firewall
firewall family ethernet-switching {
filter voip_class {
term voip {
from {
source-address {
192.168.1.1/28;
192.168.1.2/28;
}
protocol udp;
source-port 2698;
}
then {
forwarding-class voice;
loss-priority low;
}
}
term network control {
from {
precedence [net-control internet-control];
}
then {
forwarding-class network-control;
loss-priority low;
}
}
term best_effort_traffic {
then {
forwarding-class best-effort;
loss-priority low;
}
}
}
filter video_class {
term video {
from {
source-address {
192.168.1.17/28;
}
protocol udp;
source-port 2979;
}
then {
forwarding-class video;
loss-priority low;
}
}
term network control {
from {
precedence [net-control internet-control];
}
then {
forwarding-class network-control;
loss-priority low;
}
}
term best_effort_traffic {
then {
forwarding-class best-effort;
loss-priority low;
}
}
}
filter app_class {
term app {
from {
source-address {
192.168.1.33/28;
}
protocol tcp;
source-port [1491 2512 2513 2598 2897];
}
then {
forwarding-class app;
loss-priority low;
}
}
term mail {
from {
source-address {
192.168.1.34/28;
}
protocol tcp;
source-port [25 143 389 691 993 3268 3269];
}
then {
forwarding-class mail;
loss-priority low;
}
}
term db {
from {
source-address {
192.168.1.35/28;
}
protocol tcp;
source-port [1521 1525 1527 1571 1810 2481];
}
then {
forwarding-class db;
loss-priority low;
}
}
term erp {
from {
source-address {
192.168.1.36/28;
}
protocol tcp;
source-port [3200 3300 3301 3600];
}
then {
forwarding-class erp;
loss-priority low;
}
}
term network control {
from {
precedence [net-control internet-control];
}
then {
forwarding-class network-control;
loss-priority low;
}
}
term best_effort_traffic {
then {
forwarding-class best-effort;
loss-priority low;
}
}
}
}
user@switch# show class-of-service
forwarding-classes {
class app queue-num 5;
class mail queue-num 1;
class db queue-num 2;
class erp queue-num 3;
class video queue-num 4;
class best-effort queue-num 0;
class voice queue-num 6;
class network-control queue-num 7;
}
interfaces {
ge-0/0/0 {
shaping-rate 100m;
}
ge-0/0/2 {
scheduler-map sched-map-be;
}
ge-0/0/20 {
scheduler-map ethernet-cos-map;
}
ge-0/0/21 {
scheduler-map ethernet-cos-map;
}
}
schedulers {
voice-sched-queue-shap {
shaping-rate 30m;
}
voice-sched {
shaping-rate percent 10;
buffer-size percent 10;
priority strict-high;
}
video-sched {
buffer-size percent 15;
priority low;
transmit-rate percent 15;
}
app-sched {
buffer-size percent 10;
priority low;
transmit-rate percent 10;
}
mail-sched {
buffer-size percent 5;
priority low;
transmit-rate percent 5;
}
db-sched {
buffer-size percent 10;
priority low;
transmit-rate percent 10;
}
erp-sched {
buffer-size percent 10;
priority low;
transmit-rate percent 10;
}
nc-sched {
shaping-rate percent 5;
buffer-size percent 5;
priority strict-high;
}
be-sched {
buffer-size percent 35;
priority low;
transmit-rate percent 35;
}
}
scheduler-maps {
ethernet-cos-map {
forwarding-class voice scheduler voice-sched;
forwarding-class video scheduler video-sched;
forwarding-class app scheduler app-sched;
forwarding-class mail scheduler mail-sched;
forwarding-class db scheduler db-sched;
forwarding-class erp scheduler erp-sched;
forwarding-class network-control scheduler nc-sched;
forwarding-class best-effort scheduler be-sched;
}
sched-map-be {
forwarding-class best-effort scheduler voice-sched-queue-shap;
}
}
user@switch# show interfaces
ge-0/0/0 {
unit 0 {
family ethernet {
filter {
input voip_class;
}
}
}
}
ge-0/0/1 {
unit 0 {
family ethernet {
filter {
input voip_class;
}
}
}
}
ge-0/0/2 {
unit 0 {
family ethernet {
filter {
input video_class;
}
}
}
}
ge-0/0/3 {
unit 0 {
family ethernet {
filter {
input app_class;
}
}
}
}
ge-0/0/4 {
unit 0 {
family ethernet {
filter {
input app_class;
}
}
}
}
ge-0/0/5 {
unit 0 {
family ethernet {
filter {
input app_class;
}
}
}
}
ge-0/0/6 {
unit 0 {
family ethernet {
filter {
input app_class;
}
}
}
}
확인
구성이 제대로 작동하고 있는지 확인하려면 다음 작업을 수행합니다.
- 정의된 포링 클래스가 큐에 존재하고 매핑되어 있는지 검증
- 스케줄러에게 포링 클래스가 할당되어 있는지 검증
- 스케줄러 맵이 인터페이스에 적용된지 확인
- 포트 셰이핑이 적용된지 확인
- 큐 셰이핑이 적용된지 확인
정의된 포링 클래스가 큐에 존재하고 매핑되어 있는지 검증
목적
포링 클래스 , , , 및 큐에 정의되고 app best-effort db erp mail network-control video voice 매핑되어 있는지 검증합니다.
작업
user@switch> show class-of-service forwarding-class Forwarding class ID Queue app 0 5 db 1 2 erp 2 3 best-effort 3 0 mail 4 1 voice 5 6 video 6 4 network-control 7 7
의미
이 출력은 포링 클래스가 해당 큐에 정의되어 매핑된 것으로 보여줍니다.
스케줄러에게 포링 클래스가 할당되어 있는지 검증
목적
포링 클래스가 스케줄러에 할당된지 확인
작업
user@switch> show class-of-service scheduler-map
Scheduler map: ethernet-cos-map, Index: 2
Scheduler: voice-sched, Forwarding class: voice, Index: 22
Shaping rate: 10 percent, Rate Limit: none, Buffer size: 10 percent,
Priority: Strict-high
Drop profiles:
Loss priority Protocol Index Name
High non-TCP 1 <default-drop-profile>
High TCP 1 <default-drop-profile>
Scheduler: video-sched, Forwarding class: video, Index: 22
Transmit rate: 10 percent, Rate Limit: none, Buffer size: 10 percent,
Priority: low
Drop profiles:
Loss priority Protocol Index Name
High non-TCP 1 <default-drop-profile>
High TCP 1 <default-drop-profile>
Scheduler: app-sched, Forwarding class: app, Index: 22
Transmit rate: 10 percent, Rate Limit: none, Buffer size: 10 percent,
Priority: low
Drop profiles:
Loss priority Protocol Index Name
High non-TCP 1 <default-drop-profile>
High TCP 1 <default-drop-profile>
Scheduler: mail-sched, Forwarding class: mail, Index: 22
Transmit rate: 5 percent, Rate Limit: none, Buffer size: 5 percent,
Priority: low
Drop profiles:
Loss priority Protocol Index Name
High non-TCP 1 <default-drop-profile>
High TCP 1 <default-drop-profile>
Scheduler: db-sched, Forwarding class: db, Index: 22
Transmit rate: 10 percent, Rate Limit: none, Buffer size: 10 percent,
Priority: low
Drop profiles:
Loss priority Protocol Index Name
High non-TCP 1 <default-drop-profile>
High TCP 1 <default-drop-profile>
Scheduler: erp-sched, Forwarding class: erp, Index: 22
Transmit rate: 10 percent, Rate Limit: none, Buffer size: 10 percent,
Priority: low
Drop profiles:
Loss priority Protocol Index Name
High non-TCP 1 <default-drop-profile>
High TCP 1 <default-drop-profile>
Scheduler: be-sched, Forwarding class: best-effort, Index: 20
Transmit rate: 35 percent, Rate Limit: none, Buffer size: 35 percent,
Priority: low
Drop profiles:
Loss priority Protocol Index Name
High non-TCP 1 <default-drop-profile>
High TCP 1 <default-drop-profile>
Scheduler: nc-sched, Forwarding class: network-control, Index: 22
Shaping rate: 5 percent, Rate Limit: none, Buffer size: 5 percent,
Priority: Strict-high
Drop profiles:
Loss priority Protocol Index Name
High non-TCP 1 <default-drop-profile>
High TCP 1 <default-drop-profile>
의미
이 출력은 포우링 클래스가 스케줄러에 할당된 것으로 보여줍니다.
스케줄러 맵이 인터페이스에 적용된지 확인
목적
스케줄러 맵이 인터페이스에 적용된지 확인
작업
user@switch> show class-of-service interface ... Physical interface: ge-0/0/20, Index: 149 Queues supported: 8, Queues in use: 8 Scheduler map: ethernet-cos-map, Index: 43366 Input scheduler map: <default>, Index: 3 ... Physical interface: ge-0/0/21, Index: 150 Queues supported: 8, Queues in use: 8 Scheduler map: ethernet-cos-map, Index: 15103 Input scheduler map: <default>, Index: 5 ...
의미
이 출력에는 스케줄러 맵() 및 를 적용한 인터페이스에 대한 세부 정보가 ethernet-cos-map ge-0/0/20 포함되어 ge-0/0/21 있습니다.
포트 셰이핑이 적용된지 확인
목적
포트 셰이핑이 인터페이스에 적용된지 확인
작업
포트 셰이핑이 인터페이스에 적용되기 전의 출력은 다음과 같습니다. 인터페이스에서 ge-0/0/0 400Mpbs의 Egress 트래픽이 나가는 경우:
user@switch> show interfaces ge-0/0/0 extensive
Physical interface: ge-0/0/0, Enabled, Physical link is Up
Interface index: 239, SNMP ifIndex: 548, Generation: 242
Link-level type: Ethernet, MTU: 1514, Speed: Auto, Duplex: Auto, BPDU Error: None, MAC-REWRITE Error: None, Loopback: Disabled, Source filtering: Disabled, Flow control: Enabled, Auto-negotiation: Enabled, Remote fault: Online,
Media type: Copper
Device flags : Present Running
Interface flags: SNMP-Traps Internal: 0x0
Link flags : None
CoS queues : 8 supported, 8 maximum usable queues
Hold-times : Up 0 ms, Down 0 ms
Current address: 00:23:9c:0b:ae:8d, Hardware address: 00:23:9c:0b:ae:8d
Last flapped : 2012-07-07 03:21:52 UTC (1d 18:02 ago)
Statistics last cleared: 2012-07-07 23:54:34 UTC (21:29:59 ago)
Traffic statistics:
Input bytes : 0 0 bps
Output bytes : 2299853696 345934816 bps
Input packets: 0 0 pps
Output packets: 17967609 337827 pps
IPv6 transit statistics:
Input bytes : 0
Output bytes : 0
Input packets: 0
Output packets: 0
Input errors:
Errors: 0, Drops: 0, Framing errors: 0, Runts: 0, Policed discards: 0, L3 incompletes: 0, L2 channel errors: 0, L2 mismatch timeouts: 0, FIFO errors: 0, Resource errors: 0
Output errors:
Carrier transitions: 0, Errors: 0, Drops: 0, Collisions: 0, Aged packets: 0, FIFO errors: 0, HS link CRC errors: 0, MTU errors: 0, Resource errors: 0
Egress queues: 8 supported, 4 in use
Queue counters: Queued packets Transmitted packets Dropped packets
0 best-effort 0 18302337 0
1 assured-forw 0 0 0
5 expedited-fo 0 0 0
7 network-cont 0 0 0
Queue number: Mapped forwarding classes
0 best-effort
1 assured-forwarding
5 expedited-forwarding
7 network-control
Active alarms : None
Active defects : None
MAC statistics: Receive Transmit
Total octets 0 2299853696
Total packets 0 17967609
Unicast packets 0 17967609
Broadcast packets 0 0
Multicast packets 0 0
CRC/Align errors 0 0
FIFO errors 0 0
MAC control frames 0 0
MAC pause frames 0 0
Oversized frames 0
Jabber frames 0
Fragment frames 0
Code violations 0
Autonegotiation information:
Negotiation status: Complete
Link partner:
Link mode: Full-duplex, Flow control: Symmetric, Remote fault: OK, Link partner Speed: 1000 Mbps
Local resolution:
Flow control: Symmetric, Remote fault: Link OK
Packet Forwarding Engine configuration:
Destination slot: 1
CoS information:
Direction : Output
CoS transmit queue Bandwidth Buffer Priority Limit
% bps % usec
0 best-effort 95 950000000 95 NA low none
7 network-control 5 50000000 5 NA low none
Interface transmit statistics: Disabled
Logical interface ge-1/0/10.0 (Index 69) (SNMP ifIndex 638) (Generation 138)
Flags: SNMP-Traps 0x0 Encapsulation: ENET2
Traffic statistics:
Input bytes : 0
Output bytes : 0
Input packets: 0
Output packets: 0
Local statistics:
Input bytes : 0
Output bytes : 0
Input packets: 0
Output packets: 0
Transit statistics:
Input bytes : 0 0 bps
Output bytes : 0 0 bps
Input packets: 0 0 pps
Output packets: 0 0 pps
Protocol eth-switch, Generation: 163, Route table: 0
Flags: Trunk-Mode
트래픽 통계: 이 출력의 필드는 egress 트래픽이 ~400Mpbs(345,934,816bps)입니다. 100Mbps의 포트 셰이핑을 ge-0/0/0 인터페이스에 적용하면 다음과 같은 명령의 출력이 show interfaces ge-0/0/0 statistics show class-of-service interface ge-0/0/0 표시됩니다.
user@switch> show interfaces ge-0/0/0 statistics
Physical interface: ge-0/0/0, Enabled, Physical link is Up
Interface index: 239, SNMP ifIndex: 548, Generation: 242
Link-level type: Ethernet, MTU: 1514, Speed: Auto, Duplex: Auto, BPDU Error: None, MAC-REWRITE Error: None, Loopback: Disabled, Source filtering: Disabled, Flow control: Enabled, Auto-negotiation: Enabled, Remote fault: Online,
Media type: Copper
Device flags : Present Running
Interface flags: SNMP-Traps Internal: 0x0
Link flags : None
CoS queues : 8 supported, 8 maximum usable queues
Hold-times : Up 0 ms, Down 0 ms
Current address: 00:23:9c:0b:ae:8d, Hardware address: 00:23:9c:0b:ae:8d
Last flapped : 2012-07-07 03:21:52 UTC (1d 18:10 ago)
Statistics last cleared: 2012-07-07 23:54:34 UTC (21:37:58 ago)
Traffic statistics:
Input bytes : 0 0 bps
Output bytes : 15779512832 100223104 bps
Input packets: 0 0 pps
Output packets: 123277444 97874 pps
IPv6 transit statistics:
Input bytes : 0
Output bytes : 0
Input packets: 0
Output packets: 0
Input errors:
Errors: 0, Drops: 0, Framing errors: 0, Runts: 0, Policed discards: 0, L3 incompletes: 0, L2 channel errors: 0, L2 mismatch timeouts: 0, FIFO errors: 0, Resource errors: 0
Output errors:
Carrier transitions: 0, Errors: 0, Drops: 0, Collisions: 0, Aged packets: 0, FIFO errors: 0, HS link CRC errors: 0, MTU errors: 0, Resource errors: 0
Egress queues: 8 supported, 4 in use
Queue counters: Queued packets Transmitted packets Dropped packets
0 best-effort 0 123350092 57012484
1 assured-forw 0 0 0
5 expedited-fo 0 0 0
7 network-cont 0 0 0
Queue number: Mapped forwarding classes
0 best-effort
1 assured-forwarding
5 expedited-forwarding
7 network-control
Active alarms : None
Active defects : None
MAC statistics: Receive Transmit
Total octets 0 15779512832
Total packets 0 123277444
Unicast packets 0 123277444
Broadcast packets 0 0
Multicast packets 0 0
CRC/Align errors 0 0
FIFO errors 0 0
MAC control frames 0 0
MAC pause frames 0 0
Oversized frames 0
Jabber frames 0
Fragment frames 0
Code violations 0
Autonegotiation information:
Negotiation status: Complete
Link partner:
Link mode: Full-duplex, Flow control: Symmetric, Remote fault: OK, Link partner Speed: 1000 Mbps
Local resolution:
Flow control: Symmetric, Remote fault: Link OK
Packet Forwarding Engine configuration:
Destination slot: 1
CoS information:
Direction : Output
CoS transmit queue Bandwidth Buffer Priority Limit
% bps % usec
0 best-effort 95 95000000 95 NA low none
7 network-control 5 5000000 5 NA low none
Interface transmit statistics: Disabled
Logical interface ge-1/0/10.0 (Index 69) (SNMP ifIndex 638) (Generation 138)
Flags: SNMP-Traps 0x0 Encapsulation: ENET2
Traffic statistics:
Input bytes : 0
Output bytes : 0
Input packets: 0
Output packets: 0
Local statistics:
Input bytes : 0
Output bytes : 0
Input packets: 0
Output packets: 0
Transit statistics:
Input bytes : 0 0 bps
Output bytes : 0 0 bps
Input packets: 0 0 pps
Output packets: 0 0 pps
Protocol eth-switch, Generation: 163, Route table: 0
Flags: Trunk-Mode
user@switch> show class-of-service interface ge-0/0/0
Physical interface: ge-0/0/0, Index: 165
Queues supported: 8, Queues in use: 4
Shaping rate: 100000000 bps
...
...
의미
명령의 출력에서 Traffic Statistics: 필드는 show interfaces ge-0/0/0 statistics egress 트래픽이 ~100Mbps(100,223,104bps)를 표시하고 있습니다. 명령의 출력은 셰이핑 속도가 show class-of-service interface ge-0/0/0 100,000,000bps인 것으로 나타났습니다. 이는 100Mbps의 포트 셰이핑이 ge-0/0/0 인터페이스에 적용되었다는 것입니다.
큐 셰이핑이 적용된지 확인
목적
큐 셰이핑이 best-effort 큐에 적용된지 확인
작업
인터페이스에서 400Mpbs의 Egress 트래픽이 있는 경우 큐 셰이핑이 best-effort 큐에 적용되기 전에 출력은 다음과 같습니다.
user@switch> show interfaces ge-0/0/2 extensive
Physical interface: ge-0/0/2, Enabled, Physical link is Up
Interface index: 239, SNMP ifIndex: 548, Generation: 242
Link-level type: Ethernet, MTU: 1514, Speed: Auto, Duplex: Auto, BPDU Error: None, MAC-REWRITE Error: None, Loopback: Disabled, Source filtering: Disabled, Flow control: Enabled, Auto-negotiation: Enabled, Remote fault: Online,
Media type: Copper
Device flags : Present Running
Interface flags: SNMP-Traps Internal: 0x0
Link flags : None
CoS queues : 8 supported, 8 maximum usable queues
Hold-times : Up 0 ms, Down 0 ms
Current address: 00:23:9c:0b:ae:8d, Hardware address: 00:23:9c:0b:ae:8d
Last flapped : 2012-07-07 03:21:52 UTC (1d 18:02 ago)
Statistics last cleared: 2012-07-07 23:54:34 UTC (21:29:59 ago)
Traffic statistics:
Input bytes : 0 0 bps
Output bytes : 2299853696 345934816 bps
Input packets: 0 0 pps
Output packets: 17967609 337827 pps
IPv6 transit statistics:
Input bytes : 0
Output bytes : 0
Input packets: 0
Output packets: 0
Input errors:
Errors: 0, Drops: 0, Framing errors: 0, Runts: 0, Policed discards: 0, L3 incompletes: 0, L2 channel errors: 0, L2 mismatch timeouts: 0, FIFO errors: 0, Resource errors: 0
Output errors:
Carrier transitions: 0, Errors: 0, Drops: 0, Collisions: 0, Aged packets: 0, FIFO errors: 0, HS link CRC errors: 0, MTU errors: 0, Resource errors: 0
Egress queues: 8 supported, 4 in use
Queue counters: Queued packets Transmitted packets Dropped packets
0 best-effort 0 18302337 0
1 assured-forw 0 0 0
5 expedited-fo 0 0 0
7 network-cont 0 0 0
Queue number: Mapped forwarding classes
0 best-effort
1 assured-forwarding
5 expedited-forwarding
7 network-control
Active alarms : None
Active defects : None
MAC statistics: Receive Transmit
Total octets 0 2299853696
Total packets 0 17967609
Unicast packets 0 17967609
Broadcast packets 0 0
Multicast packets 0 0
CRC/Align errors 0 0
FIFO errors 0 0
MAC control frames 0 0
MAC pause frames 0 0
Oversized frames 0
Jabber frames 0
Fragment frames 0
Code violations 0
Autonegotiation information:
Negotiation status: Complete
Link partner:
Link mode: Full-duplex, Flow control: Symmetric, Remote fault: OK, Link partner Speed: 1000 Mbps
Local resolution:
Flow control: Symmetric, Remote fault: Link OK
Packet Forwarding Engine configuration:
Destination slot: 1
CoS information:
Direction : Output
CoS transmit queue Bandwidth Buffer Priority Limit
% bps % usec
0 best-effort 95 950000000 95 NA low none
7 network-control 5 50000000 5 NA low none
Interface transmit statistics: Disabled
Logical interface ge-1/0/10.0 (Index 69) (SNMP ifIndex 638) (Generation 138)
Flags: SNMP-Traps 0x0 Encapsulation: ENET2
Traffic statistics:
Input bytes : 0
Output bytes : 0
Input packets: 0
Output packets: 0
Local statistics:
Input bytes : 0
Output bytes : 0
Input packets: 0
Output packets: 0
Transit statistics:
Input bytes : 0 0 bps
Output bytes : 0 0 bps
Input packets: 0 0 pps
Output packets: 0 0 pps
Protocol eth-switch, Generation: 163, Route table: 0
Flags: Trunk-Mode
트래픽 통계: 이 출력의 필드는 egress 트래픽이 ~400Mpbs(345,934,816bps)입니다. 30Mbps의 큐 셰이핑이 best-effort 큐에 적용된 경우, 다음 출력과 명령이 show interfaces ge-0/0/2 statistics show class-of-service scheduler-map sched-map-be 나타났습니다.
user@switch> show interfaces ge-0/0/2 statistics
Physical interface: ge-0/0/2, Enabled, Physical link is Up
Interface index: 239, SNMP ifIndex: 548, Generation: 242
Link-level type: Ethernet, MTU: 1514, Speed: Auto, Duplex: Auto, BPDU Error: None, MAC-REWRITE Error: None, Loopback: Disabled, Source filtering: Disabled, Flow control: Enabled, Auto-negotiation: Enabled, Remote fault: Online,
Media type: Copper
Device flags : Present Running
Interface flags: SNMP-Traps Internal: 0x0
Link flags : None
CoS queues : 8 supported, 8 maximum usable queues
Hold-times : Up 0 ms, Down 0 ms
Current address: 00:23:9c:0b:ae:8d, Hardware address: 00:23:9c:0b:ae:8d
Last flapped : 2012-07-07 03:21:52 UTC (1d 18:29 ago)
Statistics last cleared: 2012-07-08 21:46:22 UTC (00:04:56 ago)
Traffic statistics:
Input bytes : 0 0 bps
Output bytes : 5376128896 30097712 bps
Input packets: 0 0 pps
Output packets: 42001003 29392 pps
IPv6 transit statistics:
Input bytes : 0
Output bytes : 0
Input packets: 0
Output packets: 0
Input errors:
Errors: 0, Drops: 0, Framing errors: 0, Runts: 0, Policed discards: 0, L3 incompletes: 0, L2 channel errors: 0, L2 mismatch timeouts: 0, FIFO errors: 0, Resource errors: 0
Output errors:
Carrier transitions: 0, Errors: 0, Drops: 0, Collisions: 0, Aged packets: 0, FIFO errors: 0, HS link CRC errors: 0, MTU errors: 0, Resource errors: 0
Egress queues: 8 supported, 4 in use
Queue counters: Queued packets Transmitted packets Dropped packets
0 best-effort 0 41986978 57813642
1 assured-forw 0 0 0
5 expedited-fo 0 0 0
7 network-cont 0 0 0
Queue number: Mapped forwarding classes
0 best-effort
1 assured-forwarding
5 expedited-forwarding
7 network-control
Active alarms : None
Active defects : None
MAC statistics: Receive Transmit
Total octets 0 5376128896
Total packets 0 42001003
Unicast packets 0 42001003
Broadcast packets 0 0
Multicast packets 0 0
CRC/Align errors 0 0
FIFO errors 0 0
MAC control frames 0 0
MAC pause frames 0 0
Oversized frames 0
Jabber frames 0
Fragment frames 0
Code violations 0
Autonegotiation information:
Negotiation status: Complete
Link partner:
Link mode: Full-duplex, Flow control: Symmetric, Remote fault: OK, Link partner Speed: 1000 Mbps
Local resolution:
Flow control: Symmetric, Remote fault: Link OK
Packet Forwarding Engine configuration:
Destination slot: 1
CoS information:
Direction : Output
CoS transmit queue Bandwidth Buffer Priority Limit
% bps % usec
0 best-effort r r r NA low none
Interface transmit statistics: Disabled
Logical interface ge-1/0/10.0 (Index 69) (SNMP ifIndex 638) (Generation 138)
Flags: SNMP-Traps 0x0 Encapsulation: ENET2
Traffic statistics:
Input bytes : 0
Output bytes : 0
Input packets: 0
Output packets: 0
Local statistics:
Input bytes : 0
Output bytes : 0
Input packets: 0
Output packets: 0
Transit statistics:
Input bytes : 0 0 bps
Output bytes : 0 0 bps
Input packets: 0 0 pps
Output packets: 0 0 pps
Protocol eth-switch, Generation: 163, Route table: 0
Flags: Trunk-Mode
user@switch> show class-of-service scheduler-map sched-map-be
Scheduler map: sched-map-be, Index: 31271
Scheduler: voice-sched-queue-shap, Forwarding class: best-effort, Index: 64106
Transmit rate: remainder, Rate Limit: none, Buffer size: remainder,
Buffer Limit: none, Priority: low
Excess Priority: unspecified
Shaping rate: 30000000 bps
Drop profiles:
Loss priority Protocol Index Name
High non-TCP 1 <default-drop-profile>
High TCP 1 <default-drop-profile>
의미
명령의 출력에서 Traffic Statistics: 필드는 show interfaces ge-0/0/2 statistics egress 트래픽이 ~30Mbps(30,097,712bps)임이 표시 명령의 show class-of-service scheduler-map sched-map-be 출력은 best-effort 큐에 30,000,000bps(즉, 30Mbps)의 셰이핑 속도가 적용된 것으로 나타났습니다.