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NOKIA(7705 & 7750) SROS LAYER 2 OPERATIONS AND PROVISIONING
Rating: 3.7 out of 5(9 ratings)
37 students

NOKIA(7705 & 7750) SROS LAYER 2 OPERATIONS AND PROVISIONING

LAYER 1 and LAYER 2 basics With VPLS application .
Created byCollette Chinenye
Last updated 1/2026
English
English [Auto],

What you'll learn

  • The Nokia Certified Network Routing Specialist program requires an understanding of IP and ethernet. I have captured Layer 1 and layer 2 transactions here.
  • Understand Logs and log configurations. With Lab sessions. We will analyze each lines so the underlying principles will be well understood.
  • Understand STP, broadcast storm and LAG configuration. I will walk you through how to properly build your LAGs both in LACP & default methods to avoid storms
  • Build your GS3 lab in Linux and Windows platform
  • After this course, you will be well grounded in basic configurations , you will understand the filing systems and boot processes.
  • Create your own Local VPLS service to connect devices

Course content

1 section • 13 lectures • 3h 45m total length

  • Introduction2:06

    Learn Nokia SROS layer 2 operations and provisioning through a Windows/Linux lab with GNS3, configuring host names, link aggregation, broadcast avoidance, and logs and security for exam readiness.

  • Lab Creation- GNS3 Windows installation15:47

    Install Gns3 on Windows by downloading version 2.2.49 and selecting a virtual machine platform such as VirtualBox. Import Alcatel 7705 sros image, enable telnet, and disable hardware acceleration if needed.

  • Lab Creation - GNS3 Linux installation14:31

    Install gns3 on linux, configure apt, and install the gns3 gui and server to run virtual projects, then set up chemo vm images like 7750 version 12.0 release six.

  • Networking Context15:15

    Trace the internet's origins from ARPANET and the move from NCP to IP. Explain service provider tiers, IXPs, demarcation points, and PoPs (points of presence).

  • SROS BOOT UP Process16:55

    Explore the SROS boot up process for Nokia routers, detailing how boot loader, cfg, and image files load, with CF three storage and backup images enabling recovery.

  • SROS Initial Provisioning- MDA and IOM provisioning14:37
  • Security, Logs and Files23:31

    Configure secure user access and robust logging on Nokia SROS devices, capturing security, change, debug, and main events with memory and file log destinations.

  • Redundancy- understanding Broadcast storm16:10
  • Redundancy - Spanning tree Calculations30:26

    Explore how the spanning tree protocol prevents layer-2 loops by selecting a root bridge via bridge id and priority, assigning root and designated ports, and blocking alternate ports.

  • Redundancy- Understanding LAG, Link Aggregations12:23

    Understand how spanning tree eliminates loops and manages port states. Learn how link aggregation with lacp provides redundancy between switches to prevent loops.

  • Redundancy - Link Aggregation LAB session22:10
  • Lecture 12 - VPLS - Local24:46

    One of the students suggested that we relate this topic to a local network scenario. While NOKIA VPLS is typically used in larger MPLS environments, this course already provides enough background to explore local VPLS deployments and extending VPLS over physical connections to other SR OS devices. This lecture demonstrates how VPLS works and how it is implemented on SR OS platforms.

  • Lecture 13 - VPLS Over Local LAG17:07

    This chapter continues where the previous one left off. In this scenario, we extend the VPLS service beyond a single device by carrying it over a local LAG connection to another switch. This allows us to demonstrate how VPLS instances can be seamlessly bridged across multiple SR OS devices while maintaining a unified Layer-2 domain. We will walk through the configuration, verify connectivity, and highlight key operational behaviors along the way.

Requirements

  • none
  • Networking beginners and intermediary and professionals who need more understanding of Nokia environment.

Description

The Nokia Certified Network Routing Specialist (NRS) program provides a comprehensive understanding of IP and Ethernet technologies. I have captured here Layer 1 and 2 basics and components necessary for switching operations.

Layer 1 Basics

We will go through provisioning cards , IOM and MDAs. See how that relates to ports. We we walk through lab sessions to understand basic initial configurations, Logs and security, Users. We will go through lagging and STP and how they can be used to protect against broadcast storms. We will talk about files, storages and where they can be found, manipulated and read.

Layer 2 Basics

Layer 2, the Data Link Layer, is responsible for node-to-node data transfer and error detection. It includes:

  • we will work through turning up ports, Build Lags in LACP mode and normal mode. See how to turn up layer 2 connections between two nodes.

Emphasis will be laid on Labs. I believe one of the best ways to understand is practice. I have included quick steps to build your own practice labs using free packages like GNS3 and Linux. I have also included steps to build gns3 packages on a windows platform.  We will tie it all together with VPLS implementation and Lab up. This is very suitable for beginners and people who just want some insight into SROS platforms and usability.  Join me as we as I share insight into the SROS platform. I  Welcome you to the Course !

Who this course is for:

  • Network specialists, students , People who want to understand Nokia Layer 2 basics.

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