Cisco+lab+162 -

for remote management. Unlike older methods like Telnet, SSH encrypts data during transmission, making it a critical security feature for modern network administration. Key Features and Components of Lab 1.6.2

The primary focus of this lab is establishing a secure and functional base configuration for a router. Remote Access (SSH):

The lab emphasizes using SSH to connect remotely and execute IOS commands securely. Information Retrieval: You learn to interpret router data, including: Hardware and Software details: show version Configuration files: startup-config running-config Routing Tables: show ip route to understand network paths. Interface Status: Verifying connectivity with show ip interface brief Initial Security:

Setting hostnames, configuring local passwords for console and EXEC access, and adding Message of the Day (MOTD) banners to warn unauthorized users. Cisco Learning Network Simulation Tools

If you are performing this lab virtually, the most helpful platforms are: Cisco Packet Tracer: cisco+lab+162

A beginner-friendly simulation tool that allows you to build topologies and practice configurations for free. Cisco Modeling Labs (CML): A more advanced tool that now offers a

(CML 2.8+), allowing you to run up to five nodes (routers, switches, or firewalls) without a license. Common Commands to Master

To successfully complete the lab, you will frequently use these commands: Cisco Learning Network hostname [name] : Sets the device identity. enable secret [password] : Secures privileged mode with encryption. ip domain-name [domain] : Required for SSH key generation. crypto key generate rsa : Creates the encryption keys for SSH. copy running-config startup-config : Saves your current work to permanent memory. step-by-step walkthrough for the SSH configuration portion of this lab? Cisco Modeling Labs Free

Phase 3: Inter-VLAN Routing (The "162" Challenge)

Now, PC1 (VLAN 10) and PC3 (VLAN 20) cannot ping each other because they are on different subnets. To enable routing, we need a Layer 3 gateway. Lab 162 usually uses a Multilayer Switch (MLS). for remote management

On the Multilayer Switch (Core): First, enable IP routing:

configure terminal
ip routing

Create the SVIs (Switch Virtual Interfaces):

interface vlan 10
 ip address 192.168.10.1 255.255.255.0
 no shutdown

interface vlan 20
ip address 192.168.20.1 255.255.255.0
no shutdown

Configure the trunk ports toward the access switches:

interface gigabitEthernet 1/0/1
 switchport trunk encapsulation dot1q
 switchport mode trunk
 switchport trunk allowed vlan 10,20

interface gigabitEthernet 1/0/2
switchport trunk encapsulation dot1q
switchport mode trunk
switchport trunk allowed vlan 10,20

Objectives

  • Part 1: Use the show commands to gather device information.
  • Part 2: Use the help facility to discover additional command parameters.

What is Cisco Lab 162?

Cisco Lab 162 is typically part of the Scaling Networks or Enterprise Networking modules. The standard topology consists of: Phase 3: Inter-VLAN Routing (The "162" Challenge) Now,

  • One Layer 3 Switch (e.g., 3560 or 3650) acting as the gateway.
  • Two Layer 2 Switches (e.g., 2960) for access layer distribution.
  • Four Hosts divided into two separate VLANs (e.g., VLAN 10 - Engineering, VLAN 20 - Sales).
  • One Router (sometimes used instead of a Layer 3 switch for "Router-on-a-Stick").

The core objective of Lab 162 is to isolate broadcast domains (VLANs) and then restore connectivity between them using Inter-VLAN routing without compromising security.