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Nortel 5530 User Manual

Nortel 5530
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Ethernet Routing Switch
5510/5520/5530
Engineering
> Filters and QOS Configuration for
Ethernet Routing Switch 5500
Technical Configuration Guide
Enterprise Solutions Engineering
Document Date: April 01, 2008
Document Number: NN48500-559
Document Version: 2.0

Table of Contents

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Nortel 5530 Specifications

General IconGeneral
Model5530
TypeSwitch
Ports48 x 10/100/1000
Power over Ethernet (PoE)Yes
Switching Capacity176 Gbps
Forwarding Rate131 Mpps
Weight5.6 kg
Uplink Ports4 x 10 Gigabit Ethernet
MAC Address Table Size32000 entries
Jumbo Frame Support9 KB
Routing ProtocolRIP
Remote Management ProtocolRMON
Authentication MethodTACACS+
FeaturesQuality of Service (QoS)
Compliant StandardsIEEE 802.3ab
Operating Temperature0 °C to 45 °C
Storage Temperature-25 °C to 70 °C
Power SupplyAC 100-240 V
Dimensions (W x D x H)440 mm x 350 mm x 44 mm

Summary

Overview of Ethernet Routing Switch 5500 QoS and Filtering

Role Combination

Grouping of ports, capabilities, and classifications for policy application.

Classification

Identifying traffic flow using Layer 2 or IP content.

Actions Supported

Actions like drop, update DSCP, meter, redirect.

QoS Flow Chart

Filter Functionality

Overall Classification Functionality

Details limitations and capabilities of classification masks and classifiers.

Classifier Block Functionality

Grouping classifiers to manage resources and improve efficiency.

Policies

Queue Sets

Resource Sharing

Settings (regular, large, maximum) for buffer allocation.

Egress CoS Queuing

Mapping 802.1p priority to egress queues and buffer allocation.

Traffic Meter and Shaping

Policing Traffic

Configuring committed rate, burst rate, and actions.

Interface Shaper

Configuring shaping rate, burst rate, and duration on interfaces.

Default Nortel Class of Service

QoS Access Lists (ACL)

ACL Configuration

Overview of ACLs, their application, and limitations.

IP-ACL Configuration

Commands to add IP ACLs with various criteria.

L2-ACL Configuration

Commands to add Layer 2 ACLs with MAC, EtherType, VLAN criteria.

IP Security Features

DHCP Snooping

Building a binding table to secure DHCP messages.

Dynamic ARP Inspection

Preventing MITM attacks by validating ARP packets.

IP Source Guard

Security against invalid source IP addresses using the DHCP binding table.

BPDU Filtering

QoS Interface Applications

ARP Spoofing

Preventing ARP spoofing attacks.

DHCP Attacks

Solutions for DHCP spoofing and rogue DHCP server attacks.

DoS

Enabling various Denial of Service (DoS) QoS applications.

BPDU Blocking

Dropping incoming BPDUs on specific interfaces.

Configuration Steps – Policy Configuration

Role Combination

Assigning ports to roles and interface classes.

Classification

Adding IP or L2 classifier elements and creating classifiers/blocks.

Meters

Adding meters with committed rate, burst rate, and actions.

Add a New Policy

Creating policies by assigning classifiers, blocks, and meters.

Configuration Examples

Pre-defined Values

Overview of pre-defined QoS actions and IP element parameters.

Configuration Example 1 – Traffic Meter Using Policies

Example of configuring traffic meters with policies.

Configuration Example 3: Port Range Using ACL or Policy

Example of filtering based on port ranges.

Configuration Example 4 – L2 Classification Based on MAC Address

Example of classifying traffic based on MAC address.

Configuration Example 5 – L2 and L3 Classification

Example of classifying traffic based on L2 and L3 criteria.

Configuration Example 7 – Interface Shaping

Example of configuring interface shaping.

Software Baseline

Reference Documentation

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