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Carrier Grade NAT 4

For training/certification requests or questions, contact: training@a10networks.com

Course Description

This course provides users with the necessary skills to implement IPv6 migration and Carrier Grade NAT scenarios for A10 ACOS deployments in service provider and data center environments.

 

Objectives

From a three-device ACOS cluster pre-configured with a Layer 2-3 environment, students deploy these attributes:

  • Carrier Grade NAT (CGN/LSN) to mitigate IPv4 address exhaustion
  • DNS64/NAT64 for providing IPv4 resources to IPv6 clients
  • CGN logging to manage NAT mappings

Students also use device tools that monitor, diagnose, and restore these attributes.

 

Class Structure

  • Classroom Discussion     40%
  • Lab Exercises     60%

 

Prerequisites

  • A10 Networks SysAdmin Course OR equivalent ACOS CLI, aVCS, and VRRP-A experience

 

Audience

  • Network Operations (NetOps)
  • Development Operations (DevOps)
  • Application Engineers (AppEng)
  • Network Security (NetSec)
  • Architects (Arch)

 

Outline

TOPICLABTIME (Hours)

Carrier Grade Networking Concepts (Required)

Context of CGNetworking
IPv4 and IPv6 Topologies
CGNAT vs. Traditional NAT
User-Quota, Sticky NAT

0.75

LSN NAT44(4) Configuration

5 Parts of Dynamic NAT configuration
Alternative: Fixed NAT
Troubleshooting NAT(4)44 (i.e., lsn)

X1.50

LSN Additional Features

ALGs
Static Port Mapping
Full-Cone NAT (EIM, EIF, Session User Quota)
Hairpinning Filtering

X2.00

IPv6 Overview

What is IPv6
IPv6 Features and Tools

0.50

IPv6 Migration (NAT/DNS64)

Stateless NAT46
DNS64 and Stateful NAT64
NAT64 Prefix
DNS64 Virtual Server Configuration
5 Parts of Dynamic NAT64 configuration
Alternative: Fixed NAT64
Troubleshooting NAT64

X1.50

NAT64 Additional Features

ALGs
Static Port Mapping
Full-Cone NAT (EIM, EIF, Session User Quota)
Hairpinning Filtering

1.00

Routing and Networking

CGN Topologies
Configuring Routing: Static, BGP, OSPF, OSPFv3

X1.00

CGN Logging

Issues in Logging
Data Plane Logging Configuration
Logging Template: Custom format, HTTP Request logging
Port Batching (v1 and v2)
Fixed-NAT Table Export and Logging
RADIUS Accounting integrations
NetFLOW (IPFIX) Logging/Accounting

X1.50

Troubleshooting and Performance Monitoring

Monitoring: system log, interface counters, CPU, memory usage, NAT pool utilization
Capture packets, storing and exporting packets
Debug Routing
Contacting A10 Support

X1.00

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