151 - ceragon - ip-10g ems qos 1 - presentation v1.2
TRANSCRIPT
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FibeAir IP-10 G-Series®
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EMS Basic QoS Configuration
Perquisites
End-users must be familiar with the following items prior to taking
this module:
• Introduction to Ethernet
• 802.1p/q
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• QoS (Concept)
• IP-10 Switch Configuration
• Trunk VS. Access
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Agenda
• Introduction
• -
• Step #1: Configure the switch
• Step #2: Configure the switch ports
• Step #3: Configure QoS per port
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• Process Review
• Basic Configurations
Introduction (2)
In this presentation we shall focus on the L2 ETH switch:
• Four priority (CoS) queues
• Advanced CoS classifier:
VLAN Pbits / VLAN ID (RFC 802.1p,q)
IPv4 (RFC 791) / IPv6 (RFC 2460, RFC 2474)
MAC DA
• Advanced ingress traffic policing /
rate-limiting per port/CoS
• Flexible scheduling:
Strict Priority, WRR or HRR
L2 ETH
SWADM
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• Traffic shaping
• 802.3x flow control (for loss-less) operation
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MW
Radio
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IP-10G L2 ETH Switch Ports
The IP-10G’s L2 Switch has 8 ports:
• Port #1 GbE (Opt. / Elec.)
• Port #2 GbE (Opt. / Elec.)
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• Port #3 to port #7 FE
• Port #8 (Radio port)
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Step #1: Set your Switch
• Configure the switch mode: Pipe / Managed / Metro
• Configure VLAN IDs
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Step #2: Configure Switch Ports
• Configure Port Type: Access / Trunk
• Configure Port Membership
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Step #3: Configure QoS per Port
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Step #3: Configure QoS per Port
Ingress Frame Queue / RemapYESFrame
qualifies
to
1st criteria?
Frame qualifies
to
2nd criteria?Queue / Remap
NO
NO
YES
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Queue / RemapYESFrame qualifies
to 3rd criteria?
Default Queue
NO
Process Review
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Policer per port
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10 50
25
Rate Limit
3 classifiers to audit & queue Ingress Traffic
Queuing
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Egress port Scheduler
Q4
Q3Q1
Q4
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Q2
Scheduling
Egress Port Shaper
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Shaping
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Basic Configurations
1. Ingress Rate Limiting
Let’s say we want to limit Video streams
from customer interface towards the
network
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UDP protocol & multicast address
Therefore we shall define a Policer to
limit these parameters
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1. Ingress Rate Limiting – Setting a Policer
There are 15 differenttraffic types that we
can use
Each Policer can have
up to 5 conditions
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1. Attaching a Policer to a port
To attach a Policer to a port simply type the Policer name
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2. Queuing according to Ingress P-Bits
Click on the VLAN Pbits to Queue link to open the configuration table
Using this table we can map 8 priority levels to 4
queues or lower number of classes
This table is global and can be used for other tasks
as well
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2. Queuing according to Ingress P-Bits
Select “VLAN Pbits” as the 3rd classifier as shown below:
Set the Egress Scheduler as required -
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3. Queuing Ingress Frames according to MAC
Click on the Static MAC link to open the configuration table
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In this example, we prioritize 3 frames according to their MAC DA.
The ingress frames are put in a queue according to the Priority settings andVLAN P-Bits to Queue
table. Ingress frames with MAC DA that are not listed in this table will be handled by the next
classifiers .
3. Queuing Ingress Frames according to MAC
Next, select “Queue Decision” as the 1st criteria
Set the Egress Scheduler as required -
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Frames with MAC that do not compl y to the table will be classified by the 2nd &
3rd classifiers
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4. Queuing Ingress Packets according ToS / DSCP
Click on the “IP Pbits to Queue”
Link to configure ToS /DSCP for IPv4
or IPv6
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4. Queuing Ingress Packets according ToS / DSCP
Next, select “IP-TOS ” as the 3rd criteria
Set the Egress Scheduler as required -
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5. Assigning Port traffic to a specific Queue
Select “Port ” as the 3rd criteria
Select to which queue the port should assign the ingress frames
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Set the Egress Scheduler as required -
6. Queuing Ingress frames according to VLAN ID
Click on the “VLAN ID to Queue” Link to configure the table
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6. Queuing Ingress frames according to VLAN ID
Select “Queue Decision” as the 2nd criteria
Set the Egress Scheduler as required -
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Frames with VID that do not comply to the table will be classified by the 3rd
classifier
7. Egress Shaper
• Reducing the egress rate to a value between 64kbps and 1Mbps requiressetting it in steps of 64kbps
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• Reducing the egress rate to a value between 1Mbps and 100Mbps requiressetting it in steps of 1Mbps
• Reducing the egress rate to a value between 100Mbps and 1Gbps requiressetting it in steps of 10Mbps
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Thank You !
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