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Cisco − Sample Configuration for Authentication in RIPv2Table of ContentsSample Configuration for Authentication in RIPv2........................................................................................1 Document ID: 13719 ......................

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Cisco − Sample Configuration for Authentication in RIPv2 Table of Contents Sample Configuration for Authentication in RIPv21 Document ID: 13719 1 Introduction1 Prerequisites.1 Requirements1 Components Used.1 Conventions2 Background Information2 Configure.2 Network Diagram 2 Configurations3 Configuring Plain Text Authentication .3 Configuring MD5 Authentication.5 Verify.6 Verifying Plain Text Authentication .6 Verifying MD5 Authentication.7 Troubleshoot8 Troubleshooting Commands.8 Related Information.9 i .Sample Configuration for Authentication in RIPv2 Document ID: 13719 Introduction Prerequisites Requirements Components Used Conventions Background Information Configure Network Diagram Configurations Configuring Plain Text Authentication Configuring MD5 Authentication Verify Verifying Plain Text Authentication Verifying MD5 Authentication Troubleshoot Troubleshooting Commands Related Information Introduction This document shows sample configurations for authenticating the routing. | Cisco - Sample Configuration for Authentication in RIPv2 Table of Contents Sample Configuration for Authentication in RIPv2.1 Document ID 13719. .1 Introduction.1 Prerequisites.1 Requirements.1 Components Used.1 Conventions.2 Background Information.2 Configure.2 Network Diagram.2 Configurations.3 Configuring Plain Text Authentication.3 Configuring MD5 Authentication.5 Verify.6 Verifying Plain Text Authentication.6 Verifying MD5 Authentication.7 Troubleshoot.8 Troubleshooting Commands.8 Related Information.9 i Sample Configuration for Authentication in RIPv2 Document ID 13719 Introduction Prerequisites Requirements Components Used Conventions Background Information Configure Network Diagram Configurations Configuring Plain Text Authentication Configuring MD5 Authentication Verify Verifying Plain Text Authentication Verifying MD5 Authentication Troubleshoot Troubleshooting Commands Related Information Introduction This document shows sample configurations for authenticating the routing information exchange process for Routing Information Protocol version 2 RIPv2 . Cisco implementation of RIPv2 supports two modes of authentication plain text authentication and Message Digest 5 MD5 authentication. Plain text authentication mode is the default setting in every RIPv2 packet when authentication is enabled. Plain text authentication should not be used when security is an issue because the unencrypted authentication password is sent in every RIPv2 packet. Note RIP version 1 RIPv1 does not support authentication. If you are sending and receiving RIPv2 packets you can enable RIP authentication on an interface. Prerequisites Requirements Readers of this document should have the basic understanding of the following RIPv1 and RIPv2 Components Used This document is not restricted to specific software and hardware versions. Starting from Cisco IOS Software Version 11.1 RIPv2 is supported and therefore all the commands given in the configuration are supported on Cisco IOS Software