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RAD’s Ether Access Technical Overview. European Technical Seminar 2013. Agenda. Introduction Ethernet Access Main Features Product Overview ETX-5300A Technical Description Workshop Applications Value Proposition. Carrier Ethernet is a Service. Carrier Ethernet Defined.

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rad s ether access technical overview
RAD’s Ether Access Technical Overview

European Technical Seminar 2013

agenda
Agenda
  • Introduction
  • Ethernet Access Main Features
  • Product Overview
  • ETX-5300A Technical Description
  • Workshop Applications
  • Value Proposition
carrier ethernet is a service
Carrier Ethernet is a Service

Carrier Ethernet Defined

Carrier Ethernet

  • Carrier Ethernet is a standardized, carrier-class SERVICE defined by five attributes that distinguish Carrier Ethernet from familiar LAN based Ethernet
  • It brings the compelling business benefit of the Ethernet cost model to achieve significant savings

Carrier Ethernet Attributes

  • Standardized Services
  • Scalability
  • Service Management
  • Reliability
  • Quality of Service
rad service assured access solution

MiNID

RAD “Service Assured Access” solution

Access Network

ETX-2xxA

AccessAggregation

Metro/

Core

First Mile

  • Demarcation and Aggregation solutions
  • Same service look and feel over:
    • Fiber and Copper
    • Native Ethernet, SHDSL, PDH, SDH
  • Linear, Dual-hommed and Ring topologies
  • E-LINE and E-LAN services
  • Synchronization over Packet

ETX-203AM

ETX-203AM

ETX-2xxA

FE/GbE

IP / MPLS

1/10 GbE

Cell-

Site

ETX-5300A

ETX-5300A

ETX-5300A

SDH/

SONET

PDH

10GbE

Ring

DSL

GbE

MSAN

1/10 GbE Ring

Customer

Premises

  • Complete Access solution

Service Assured Access

etheraccess feature set
EtherAccess Feature-set

EtherAccess – Enhanced L2 Ethernet capabilities over any access infrastructure

  • Connectivity Options
    • EPL/EVPL services (MEF certified)
    • Flow based
  • Traffic classification and mapping
    • CE VLAN ID, P-bit, DSCP, IP Precedence
  • Enhanced QoS
    • Policing per service
    • Dual leaky bucket supporting CIR+CBS, EIR+EBS
    • Scheduling – Queues according to Strict priority or WFQ
    • Rate limit on the egress port - Conforms egress traffic to specific rate
  • Enhanced service creation & assurance OA&M
    • IEEE 802.3-2005 (Link OAM)
    • IEEE 802.1ag/Y1731 End-to-End (CFM/PM)
    • Powerful L2/L3 loopback Allow multiple independent SLA monitoring instances
    • Integrated RFC-2544 Generator
  • Resiliency:
    • Linear protection based on G.8031
    • Ethernet Ring protection based on G.8032
  • Synchronization over Packet
    • Mature Sync-E and 1588-2008
connectivity options
Connectivity Options
  • E-Line Service -used to create
  • Ethernet Private Line (EPL)
    • All to one bundling
  • Ethernet Virtual Private Line (EVPL)
    • Service Multiplexing, EVC.CoS

UNI

Carrier Ethernet Network

CE

UNI

CE

UNI

  • E-Tree Service - used to create
  • EPL&EVPL services
    • Broadcast networks for IP TV services
    • No connection between leafs

Point-to-Point EVC

UNI

CE

UNI

UNI

UNI

  • E-LAN Service - used to create
  • Single bridge instance per UNI (EPLAN)
  • Several (virtual) bridge instances per UNI(EVPLAN)

CE

CE

Carrier Ethernet Network

Carrier Ethernet Network

UNI

UNI

CE

CE

UNI

UNI

Any-to-any EVC

Point-to-Multipoint EVC

CE

CE

etx traffic management
ETX Traffic Management
  • Extremely flexible flow classification:
    • Port, VLAN-ID, P-bit, TOS-DSCP, EtherType, MAC SA/DA and IP SA/DA
  • Hierarchical-QoS (HQOS) with flow level TM:
    • CIR/EIR Policing per flow for differentiated services
    • Assuring SLA in congested links - shaping per EVC or EVC.cos
    • Up to 8 queues per flow with Strict Priority and WFQ scheduling
    • Simplifying operation with powerful bandwidth profiles
standards oam operation administration maintenance
Standards: OAM – Operation Administration & Maintenance

Delay, Jitter, Packet Loss, Availability

Operator A

Operator B

ITU-T Y.1731 (PM)

/802.3ag (CFM)

IEEE 802.3ah (EFM)

rfc 2544 measurements to ensure service parameters
RFC-2544 Measurements to Ensure Service Parameters

Traffic Generation and loopback per RFC-2544

Branch A

Real Time

Headquarters

  • Used before service is commissioned to ensure service parameters
  • Measures Latency, Loss and Throughput
  • Up to 8 sessions simultaneously

ETX

PE

UNI

EVC

Priority Data

Best Effort

Real Time

PE

ETX

Priority Data

EVC 1

PSN

Best Effort

Branch B

EVC 2

Real Time

IP DSLAM

Real Time

ETX

EVC

Priority Data

Priority Data

Best Effort

Best Effort

UNI

rfc 2544 cli reports
RFC-2544 CLI Reports

Test ID : <ID>

Tested by : User Name

Product Name : <HW product name and version>

Version Number : <firmware name and version>

Serial Number : <serial number here >

Date & Time : <Test time, format: day, dd/mm/yyhh:mm:sec>

Profile Name : <e.g. - RFC 2544 Throughput Test - Per Port Binary Search>

Number of Trials : < number of trials>

Test Duration : <hh:mm:ss>

Test Parameters

-------------------------------------------------------------------------------------------------------------

Bind: MD:<MD id>, MA <MA id>, MEP <MEP id>, p-bit <pbit>, VLAN <vlan>

Maximum Theoretical Rate: <Maximal defined Rate> [FPS]

Duration: <Duration> Pattern: <Frame Pattern>, Frame Type <frame type> Opcode <Opcode>, mode <mode>

Search resolution <Search resolution>, Tolerance <tolerance>, Trials <Number of trials>

Learning Frames: Number of frames <number of frames>, Frequency <Frequency>

Throughput Report

< Trial #>:

========

Status: SUCCESS { or FAIL – Link down, OAM connectivity failure } Duration: <HH:MM:SS>

Frame Size [bytes] | 64 | 128 | 256 | 512 | 1024 | 1280 | 1518 |

Theoretical maximum [fps] |10000 | 5000 | 2500 | 1250 | -  | - | 500 |

Throughput [fps] |9500 | 4900 | 2490 | 1250 | - | - | 500 |

success [%] | 95 | 98 | 99.6 | 100 | - | - | 100 |

Packet Loss report:

<Trial #>

=============

Status: SUCCESS

Frame Size <64>

Maximum theoretical rate <10000>

Throughput of max | 100% | 90% | 80% | 70% | 60% |

%success | 80% | 87% | 93% | 99% | 100% |

Latency Report

< Trial #>:

========

Status: SUCCESS { or FAIL – Link down, OAM connectivity failure } Duration: <HH:MM:SS>

Frame Size [bytes] | 64 | 128 | 256 | 512 | 1024 | 1280 | 1518 |

Latency [ms] |50 | 45 | 42 | 37 | -  | - | 24 |

rfc 2544 reports on radview
RFC-2544 Reports on RADview

Frame loss

DelayMeasurement

Throughput

link protection

PSN

PSN

Link Protection
  • Link Aggregation Redundancy (802.3ad based)
    • Redundant connection to a single upstream device via two ports which form a singe logical port
    • Link Aggregation Control protocol used to sync LAG members and identify failures
  • Dual homing
    • 1:1 connectivity to two different upstream devices for node redundancy

Switch criteria:

    • Loss Of Signal (LOS) indication
    • Manual commands

Single homing

CPE

Dual homing

CPE

ethernet linear protection based on g 8031
Ethernet Linear Protection based on G.8031

Automatic Protection Switching (APS)

Automatic Protection Switching (APS)

  • Protection as per ITU-T G.8031
    • Bidirectional 1:1 mode using APS messages
  • Triggers - Port Signal loss, CCM LOC, ETH-AIS
  • Protection time
    • Under 50ms protection time for a single protection group (multiple EVC per group)
    • Up to 200ms protection time for 4 protection groups

Remote Customer Premises

Local Customer Premises

CPE

CPE

NTU

NTU

CC OAM

Ethernet

PE

PE

1

2

CC OAM

RDI on CC message

fault propagation based on oam loss of connectivity
Fault PropagationBased on OAM Loss Of Connectivity

Receive RDI

State LOC

  • Network failure propagation to user ports
    • User ports are turned off upon Loss-of Connectivity (LOC) or Remote Defect Indication (RDI)
  • Customer equipment senses the failure and immediately reroutes to alternative path
    • Shortens restoration time by triggering restoration much faster than native routing protocols

Remote Customer Premises

Local Customer Premises

CPE

CPE

NTU

NTU

CC OAM

Ethernet

PE

PE

1

2

CC OAM

RDI on CC message

fault propagation based on oam remote user failure
Fault Propagation Based on OAM Remote User Failure
  • User port failure propagation to remote end:
    • Remote end port is turned off upon alarm indication from local end
  • Customer equipment senses the failure and immediately reroutes to alternative path
    • Shortens restoration time by triggering restoration much faster than native routing protocols

Remote Customer Premises

Local Customer Premises

CPE

CPE

NTU

NTU

CC OAM

Ethernet

PE

PE

1

2

CC OAM

layer 2 protocol tunneling l2pt
Layer 2 Protocol Tunneling (L2PT)
  • Allowing full transparency to L2 control Protocols using different configurations:
    • Peer-supported L2 Protocols Data Units (PDU) frames
    • Discard the L2 control protocol frames
    • Tunnel: Pass through Layer-2 control frames
    • Including Vendor Specific L2CP frames

Remote Customer Premises

Local Customer Premises

Ethernet

CPE

CPE

NTU

NTU

L2 PDU

L2 PDU

PE

PE

1

2

ieee 1588v2 support
IEEE 1588v2 Support
  • Clock recovery based on 1588-2008 or Synchronous Ethernet

Sync-E

IEEE 1588-2008

Grandmaster Clock

  • 1588v2 provides clock distribution over any packet network
    • Accurate timing - frequency lock ±16ppb
  • 1588v2 slave for phase and frequency
  • 1588v2 encapsulation over IP\UDP with telecom profile

IEEE 1588-2008 (1588v2)

  • Transport
  • Network:
  • ETH/IP/MPLS
  • PoP Site

PE

PE

TC

RNC/

4G GW

ETH

ETX

IP NodeB

mobile demarcation with etx 205a
Mobile Demarcation with ETX-205A
  • Clock recovery based on 1588-2008 or Synchronous Ethernet

Sync-E

Sync-E Clock

Source

IEEE 1588-2008

Grandmaster Clock

  • Mobile Demarcation Device – Timing Gateway & Demarcation
  • Per-flow SLA measurements
  • Multiple synchronization over packet standards
  • Support for legacy Cellular generations

IEEE 1588-2008 (1588v2)

ETH

TC

IP Node B

IP Node B

IP Node B

  • PoP Site

External Clock

Source

RNC/4G Gateway

ETH

  • Transport Network:
  • ETH/IP/MPLS

ETX

ETX

ETX

PE

PE

ETH

BTS

NxE1/T1

etx portfolio
ETX Portfolio

Performance

ETX-5300A

ETX-220A

ETX-205A

ETX-204A

High End EDD

Flow Base Service

Flexible classification

ETX-203AX/AM

SFP based NTU

Basic NTU

Port Base Service

High End MDD

Flow Base Service

Flexible classification

With TDM Services

ETX-26/36

ETX-203AX

MiNID

Ethernet Service Aggregation Platform

ETX-202/102

10GE Interfaces

10GE NTU

10GE Ring

Scale

FE/GE

nxGE

nx10GE

etx 203ax
ETX-203AX
  • Carrier Ethernet Demarcation Device for:
    • SLA-based retail and wholesale Ethernet services
  • Carrier grade design
    • Service and port level redundancy
  • MEF CE 2.0 compliant EPL and EVPL Ethernet services

Power

Wide-range AC&DC PS

Management

Out of Band FE port

Local RS-232

Network and User Interfaces

1 or 2 network SFP interfaces (redundancy)

Up to 4 or 5 user ports

etx 203am all in one

FE/GbE Combo port uplink module

SHDSL EFM uplink module

Ethernet over PDH uplink module

ETX-203AM All-In-One
  • 4wire – 11.4 Mbps
  • 8wire – 22.8 Mbps
  • 2 x 10/100/1000BT
  • 2 x 100/1000Fx (SFP)
  • 4/8xE1/T1
  • 1/2xT3
  • GFP/VCAT/LCAS

Management

Out of Band FE port

Local RS-232

User interfaces:

4 FE/GE interfaces

SFP or UTP

Modular Uplink

ETH

SHDSL

ETH Over PDH/SDH

etx 205a physical view
ETX-205A Physical View
  • 4 E1/T1 PWE interfaces:
  • CESoPSN and SAToP
  • UPD/IP and MEF8
  • Flexible and accurate timing
  • 16 PWE per E1 port and CAS support
    • SyntTop™ synchronization ports:
  • External in/out (T3/T4)
    • 1PPS and ToD
  • Advanced Carrier EthernetDemarcation Device for:
    • SLA-based retail and wholesale Ethernet services
    • 2G/3G/4G-LTE Mobile backhauling demarcation
    • Migration to packet networks with integrated Ethernet and E1/T1 services
  • Management ports
  • Out of band - Ethernet port
  • Local craft terminal - RS-232
  • 6 FE/GE combo interfaces:
  • 2 Network ports
  • 4 User ports
  • Redundant power supplies:
  • AC: 100–240VAC, 50-60Hz
  • DC: 24/48VDC
etx 220a layout
ETX-220A Layout
    • H/W ready SyntTop™ synchronization ports:
    • RJ-45 and BNC i/f
  • External in/out (T3/T4)
    • ToD and 1PPS
  • 4 x 10GE XFP Based Ports
  • 2 Network i/f 1:1
  • 2 User i/f (only one is functioning in the first release)
  • 19”, 1RU shelf, Rack and wall mount
  • Environmentally Hardened Option: -20 to +65C
  • Management ports
  • Out of band - Ethernet port
  • Local craft terminal - RS-232

4 x 1GE aggregation

  • Redundant power supplies:
  • AC: 100–240VAC, 50-60Hz
  • DC: 24/48VDC
etx 5300a front view description
ETX-5300A Front View Description

Redundant PSU (DC/AC Outlet)

Clocking Interfaces

Fan Module

4 x 10GbE XFP fully redundant

Secondary Main Card

Primary Main Card

Alarm output connector

20 x 1GbE Opt SFP I/O card

20 x 1GbE Elec I/O card

Air Filter

etx forwarding plane
ETX Forwarding Plane

EVC QUEUE BLOCK

EVC

Scheduler

8 Queue

per EVC

WRED

EVC

Shaper

WFQ

SP

Port level Scheduler

Classifier

Pre

Forwarding Editing

Forwarding engine (for E-LAN services)

Post Forwarding Editing

Flow 1

CIR/EIR

Policing

Rx

Flow N

CIR/EIR

Policing

WFQ

Tx

  • Classify and map incoming packets into flows (EVC.CoS)
  • Police each flow (Green, Yellow, Red)
  • For E-LAN services (version 4.5) the forwarding engine is the bridge and MAC learning mechanism
  • For E-Line service, there is no Forwarding engine. Egress port and queue block selection are set at the classification stage
  • Up to 8 or 31 queue blocks per port with up to 8 queues per block
  • WRED at each queue
  • User configurable scheduling in queue block
  • Shaper per queue block
  • Port level scheduler distributing BW between all the queue blocks

8 or 31 Queue blocks per egress port

counter locations in etx
Counter Locations in ETX

Location of Port Statistics counters

Location of Flow Statistics counters

EVC QUEUE BLOCK

EVC

Scheduler

8 Queue

per EVC

WRED

  • Port level statistics are measured in ingress and egress ports in the MAC level
  • Flow level Statistics are measured before and after the flow policer, green/Yellow dropped statistics are measured by WRED mechanism (queue level)

Egress PORT Counters

EVC

Shaper

Dropped packet Counters (Queue level)

Ingress PORT Counters

Policer Counters

WFQ

SP

Port level Scheduler

Classifier

Pre

Forwarding Editing

Forwarding engine (for E-LAN services)

Post Forwarding Editing

Flow 1

CIR/EIR

Policing

Rx

Flow N

CIR/EIR

Policing

WFQ

Tx

8 or 31 Queue blocks per egress port

summary oam and counter locations in etx
Summary – OAM and Counter locations in ETX

Location of Port Statistics counters

Location of Flow Statistics counters

EVC QUEUE BLOCK

EVC

Scheduler

8 Queue

per EVC

WRED

EVC

Shaper

Egress PORT Counters

Dropped packet Counters

Ingress PORT Counters

Policer Counters

WFQ

SP

Port level Scheduler

Classifier

Pre

Forwarding Editing

Forwarding engine (for E-LAN services)

Post Forwarding Editing

Flow 1

CIR/EIR

Policing

Rx

Flow N

CIR/EIR

Policing

WFQ

Tx

Down MEP

8 or 31 Queue blocks per egress port

UP MEP

CCM

CCM

PM COS1

PM COS1

2544 Generator/Analyzer HW block

PM COS7

PM COS7

performance
Performance

100Gbps Full Duplex:

  • 100 Gbps Ingress
  • 100 Gbps Egress

Total of 100Gbps Ingress from all I/F (Main/IO)

Total of 100Gbps Egress from all I/F (Main/IO)

  • Note: The maximum interface capacity ( 160Gbps ) exceeds the device performance.
architecture and data path scheme
Architecture and Data Path Scheme

10GbE I/F

10GbE I/F

2/4 10G

2/4 10G

Main A

Main B

RXAUI

RXAUI

Active

Active

Packet Engine

Packet Engine

Packet Engine

Packet engine per card 

acts like a single distributed engine

Fabric I/F 40Gbps

Broadcom (Dune) .

MPLS support

CL

CL

20G(2x10G)

Non Blocking

I/O

I/O

I/O

I/O

etx 5300a sap sag
ETX-5300A – SAP & SAG
  • SAG (Service Aggregation Group) is a logical port (management entity) that represents a physical connection between I/O and main Ethernet cards.
  • Each SAG includes 512 Service Attachment Points (SAPs)
hw architecture eth io structure
HW Architecture: ETH IO Structure

10 GbE I/F

2/4 10G

Main A

RXAUI

  • IO card is actually build from 2 x 10GbE sections
  • 2 x 10 GbE internal ports for IO/Main interconnection
  • This is reflected in some ETX-5300 features and limitations:
    • Two SAG’s per IO , one for each 10G IO port group (reflects internal io/main 10G port)
    • LAG group membership
    • Limitation: E-Line is not support between ports on the same 10 port group

Packet Engine

CL

20G(2x10G)

I/O

I/O

11…….20

1………10

data path and redundancy scheme lag
Data Path and Redundancy Scheme: LAG

Inter Main card LAG

10 GbE I/F

10 GbE I/F

2/4 10G

2/4 10G

Main A

Main B

RXAUI

RXAUI

Active

Active

Main card fail

Packet Engine

Packet Engine

Fabric I/F 40 Gbps

CL

CL

20G(2x10G)

I/O

I/O

I/O

I/O

IO fail

Inter IO card LAG

data path and redundancy scheme ring
Data Path and Redundancy Scheme: Ring

Ring Port East

Ring Port West

10 GbE I/F

10 GbE I/F

2/4 10G

2/4 10G

Main A

Main B

RXAUI

RXAUI

Active

Active

Main card fail

Packet Engine

Packet Engine

Fabric I/F 40Gbps

Bridge

CL

CL

20G(2x10G)

I/O

I/O

I/O

I/O

etx 5300a flows and scale
ETX-5300A Flows and Scale

SAG - Service Aggregation Group

SAP - Service Attachment Point

SAG

I/O-1

Flow

Processing

SAP

1

1k flows

1k rules

Per 10x1Gbe ports

512 SAP

up to

1K

Flow

Processing

10

SAP

SAG

Flow

Processing

11

1k flows

1k rules

Per 10x1Gbe ports

SAP

10G

512 SAP

Flow

Processing

20

4K/Up to 8k

SAP

10G

Packet Engine

up to 1K

2k flows

10G

20 PORTS

I/O-2

10G

up to 1K

2k flows

20 PORTS

I/O-3

Total=16k

up to 1K

2k flows

20 PORTS

I/O-4

workshop applications1
Workshop Applications
  • During the workshop you will create several applications:
    • ETX‑5300A Out-of-Band (OOB) Management
    • E-Line – Ethernet Private Line Application
    • E-Line – Ethernet Virtual Private Line Application
    • E-LAN – In band Management from Central Location to Remote CPEs
1 etx 5300a oob management
1. ETX-5300A OOB management

ETX-5300A

Untagged

Port 00B

IP: 172.17.192.50

NMS

IP: 172.17.192.51

ETX‑5300A Out-of-Band (OOB) Management.

management flow configuration
Management Flow Configuration

There are several procedures for configuring management flow:

  • SVI (Switched Virtual Interface) – Defines a logical port used to associate the router interface with the remote device (peer).
  • Flow Classifications – Define the types of traffic.
  • Flow – Defines the In/Out paths.
  • Router Interface – Makes the ETX accessible from different access points. The router provides a logical path at L3.
oob management flows cli configuration
OOB Management Flows CLI Configuration

flow "mng_in"

classifier "untagged"

ingress-port mng-ethernet main-a/0

egress-port svi 99

no shutdown

exit

flow "mng_out"

classifier "all"

ingress-port svi 99

egress-port mng-ethernet main-a/0

no shutdown

exit

etx 5300a logical connection
ETX‑5300A – Logical Connection
  • Outgoing Data Traffic from ETX‑5300A I/O ETH Card Port 1/10 to Port 1/20
etx 5300a data flows configuration
ETX-5300A – Data Flows Configuration

flow 10_sap

classifier v10

ingress-port ethernet 1/10

egress-port sap 1/1/2 queue-map-profile QueueMapDefaultProfile block 0/1

no shutdown

exit

flow sap_20

classifier all

ingress-port sap 1/1/2

egress-port ethernet 1/20 queue-map-profile QueueMapDefaultProfile block 0/1

no shutdown

exit

3 e line application evpl
3. E-Line Application – EVPL
  • EVC.CoS application, with multiple data services that include the following capabilities:
    • Traffic management per EVC.CoS
    • OAM CFM monitoring per single EVC
    • Performance monitoring based on Y.1731 per EVC.CoS
    • RFC-2544 tests per EVC.CoS

VLAN POP

VLAN POP

ETX-5300A

PC

PC

ETX-203AX

MEP2

MEP1

3

1

1/9

1/19

1

3

ETX-205A

VLAN 2 p-bit 1

VLAN 2 p-bit 2

VLAN 2 p-bit 5

Push

SP-VLAN 100

Single VLAN

Classification

Push

SP-VLAN 100

VLAN 2 p-bit 1

VLAN 2 p-bit 2

VLAN 2 p-bit 5

OAM CFM+PM

evpl application qos
EVPL application – QoS

UNI

CoS 5

CIR

EVC

Real-Time

CIR: 5 Mbps; EIR: 0

CoS 5

UNI

1 GbE

EVC

10 Mbps

CoS 2

EIR

CIR

EIR

Critical Data

CIR: 2 Mbps; EIR: 8 Mbps

CoS 2

CoS 1

EIR

CIR

EIR

General DataCIR: 3 Mbps; EIR: 7 Mbps

CoS 1

evpl application logical diagram
EVPL Application Logical Diagram

ETX-5300A

ETX-205A

ETX-203AX

Traffic Generator

Traffic Generator

C-VLAN 2.5

C-VLAN 2.5

S-VLAN 100.5

S-VLAN 100.5

S-VLAN 100.2

S-VLAN 100.2

C-VLAN 2.2

C-VLAN 2.2

CD

RT

RT

CD

S-VLAN 100.1

S-VLAN 100.1

C-VLAN 2.1

C-VLAN 2.1

GD

GD

1/9

1/19

Port 3

Port 3

Port 1

Port 1

bridge
Bridge
  • Bridge Entity enables E-LAN services
  • Bridge ports may be bounded to physical port or to Logical port. Bridge port which is flow based should be bounded to SVI and connected to Physical ports with flows.
  • VLAN aware bridge, configure for each VLAN port membership list needed.
  • When a bridge port is bounded to a physical port or any of the logical ports except SVI, the forwarding to/from the BP and the Eth port will be done according to the VLAN membership. In case that the BP will be bounded to SVI, the forwarding to/from the BP and the SVI will be done through flows configuration.
  • Features:
    • 256K MAC table
    • 32 Bridge instances
    • 128 BP per Bridge

User

Port

User

Port

Network

Port

ETX-5300A

SVI

BP

Bridge

BP

SVI

BP

SVI