© 2006 Cisco Systems, Inc. All rights reserved. ICND v2.33-1 Determining IP Routes Enabling RIP.

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© 2006 Cisco Systems, Inc. All rights reserved. ICND v Determining IP Routes Enabling RIP

© 2006 Cisco Systems, Inc. All rights reserved. ICND v Outline Overview RIP Features RIPv1 and RIPv2 Comparison Dynamic Routing Configuration Tasks Dynamic Routing Configuration RIP Configuration RIP Configuration Verification RIP Configuration Troubleshooting Summary

© 2006 Cisco Systems, Inc. All rights reserved. ICND v Maximum is six paths (default = 4) Hop-count metric selects the path Routes update every 30 seconds RIP Overview

© 2006 Cisco Systems, Inc. All rights reserved. ICND v RIPv1 and RIPv2 Comparison RIPv1RIPv2 Routing protocolClassfulClassless Supports variable-length subnet mask?NoYes Sends the subnet mask along with the routing update? NoYes Addressing typeBroadcastMulticast Defined in …RFC 1058 RFCs 1721, 1722, and 2453 Supports manual route summarization?NoYes Authentication support?NoYes

© 2006 Cisco Systems, Inc. All rights reserved. ICND v Router configuration –Select routing protocols –Specify networks or interfaces IP Routing Configuration Tasks

© 2006 Cisco Systems, Inc. All rights reserved. ICND v Defines an IP routing protocol Router(config)# router protocol [keyword] Mandatory configuration command for each IP routing process Identifies the physically connected network to which routing updates are forwarded Router(config-router)# network network-number Dynamic Routing Configuration

© 2006 Cisco Systems, Inc. All rights reserved. ICND v Starts the RIP routing process Router(config)# router rip Router(config-router)# network network-number Selects participating attached networks Requires a major classful network number RIP Configuration

© 2006 Cisco Systems, Inc. All rights reserved. ICND v RIP Configuration Example

© 2006 Cisco Systems, Inc. All rights reserved. ICND v Verifying the RIP Configuration

© 2006 Cisco Systems, Inc. All rights reserved. ICND v Displaying the IP Routing Table

© 2006 Cisco Systems, Inc. All rights reserved. ICND v debug ip rip Command

© 2006 Cisco Systems, Inc. All rights reserved. ICND v Summary RIP is a distance vector routing protocol that uses hop count as the matrix for route selection and broadcasts updates every 30 seconds. RIPv1 uses classful routing protocol; RIPv2 uses classless routing protocol. RIPv2 supports VLSM, manual route summarization, and authentication; RIPv1 does not. To enable a dynamic routing protocol, first a routing protocol is selected, then IP network numbers are assigned without values being specified (except OSPF). The router command starts the routing process. The network command allows the routing process to determine which interfaces will participate in sending and receiving the routing updates.

© 2006 Cisco Systems, Inc. All rights reserved. ICND v Summary (Cont.) The router RIP command selects RIP as the routing protocol. The network command identifies a participating attached network. The show ip commands display information about routing protocols and the routing table. The debug ip rip command displays information on RIP routing transactions.

© 2006 Cisco Systems, Inc. All rights reserved. ICND v