Free CCNA | RIP & EIGRP | Day 25 | CCNA 200-301 Complete Course

3 min read 5 months ago
Published on Nov 25, 2025 This response is partially generated with the help of AI. It may contain inaccuracies.

Table of Contents

Introduction

This tutorial covers the basics of two distance vector dynamic routing protocols, RIP (Routing Information Protocol) and EIGRP (Enhanced Interior Gateway Routing Protocol), as presented in Day 25 of Jeremy's IT Lab's free CCNA 200-301 course. By following this guide, you will understand their configurations, key commands, and differences, which are essential for achieving your CCNA certification.

Step 1: Understanding RIP

  • What is RIP?

    • RIP is a distance vector routing protocol used to help routers share information about network reachability.
  • Versions of RIP

    • RIPv1: Classful routing protocol that does not support subnetting.
    • RIPv2: Classless and includes support for subnetting and multicast updates.

Step 2: Configuring RIP

  • Basic Configuration Steps

    1. Enter global configuration mode on the router:
      configure terminal
      
    2. Enable RIP with the command:
      router rip
      
    3. Specify the networks to advertise using the network command:
      network [network_address]
      
  • Using the passive-interface Command

    • This command prevents the router from sending RIP updates on specific interfaces.
    • Example:
      passive-interface [interface_name]
      
  • Advertising a Default Route

    • To advertise a default route, use:
      default-information originate
      

Step 3: Monitoring RIP

  • Check RIP Configuration
    • Use the following command to see RIP protocols and settings:
      show ip protocols
      

Step 4: Understanding EIGRP

  • What is EIGRP?
    • EIGRP is an advanced distance vector routing protocol that uses a hybrid approach, incorporating features of both link-state and distance vector protocols.

Step 5: Configuring EIGRP

  • Basic Configuration Steps

    1. Enter global configuration mode on the router:
      configure terminal
      
    2. Enable EIGRP for your AS (Autonomous System):
      router eigrp [AS_number]
      
    3. Specify the networks to advertise:
      network [network_address]
      
  • Wildcard Masks

    • Wildcard masks are used in EIGRP to specify which subnets will participate in the routing process.
    • Example of a wildcard mask for a specific subnet:
      network [network_address] [wildcard_mask]
      

Step 6: Monitoring EIGRP

  • Check EIGRP Configuration

    • Use the command:
      show ip protocols
      
  • Set EIGRP Router ID

    • To manually set the EIGRP router ID, use:
      eigrp router-id [router_id]
      
  • View EIGRP Routes

    • To view the routing table for EIGRP, use:
      show ip route eigrp
      

Conclusion

In this tutorial, you learned about the RIP and EIGRP protocols, their configurations, and monitoring commands. Understanding these protocols is crucial for your CCNA studies and network management. For further practice, consider using simulation tools like Packet Tracer and review the provided flashcards and quizzes to reinforce your knowledge.