© 2006 Cisco Systems, Inc. All rights reserved.IP6FD v IPv6-Enabled Routing Protocols Examining EIGRP for IPv6

© 2006 Cisco Systems, Inc. All rights reserved.IP6FD v EIGRP for IPv6 Enhanced IGRP: Advanced distance vector mechanism with some features common to link-state protocols Uses protocol-dependent modules to support multiple protocols: –IPv4 –IPX –Appletalk Easy to configure Fast convergence Supports IPv6 as a separate routing context

© 2006 Cisco Systems, Inc. All rights reserved.IP6FD v EIGRP Components Neighbor discovery Reliable transport protocol DUAL finite-state machine Protocol-dependent modules Updates sent to reserved link-local multicast address FF02::A

© 2006 Cisco Systems, Inc. All rights reserved.IP6FD v Configures the percentage of bandwidth EIGRP uses ipv6 router eigrp router(config)# Creates and enters EIGRP router submode no shutdown router(config-rtr)# Starts EIGRP for IPv6 without changing interface ipv6 bandwidth-percent eigrp router(config-if)# ipv6 eigrp router(config-if)# Configures EIGRP for IPv6 on an interface Cisco IOS EIGRP for IPv6 Commands

© 2006 Cisco Systems, Inc. All rights reserved.IP6FD v Displays information about EIGRP for IPv6 protocol show ipv6 eigrp topology router# Displays entries in the EIGRP IPv6 topology table show ipv6 eigrp neighbors router# Displays the neighbors discovered by EIGRP for IPv6 debug ipv6 eigrp router# show ipv6 route eigrp router# Shows EIGRP routes in the IPv6 routing table Cisco IOS EIGRP for IPv6 Commands (Cont.)

© 2006 Cisco Systems, Inc. All rights reserved.IP6FD v Cisco EIGRP for IPv6-Only Configuration Example RouterC# … interface FastEthernet0/0 ipv6 address 2001:db8:ffff:1::d/64 ipv6 eigrp Interface FastEthernet0/1 ipv6 address 2001:db8:ffff:2::d/64 ipv6 eigrp ipv6 router eigrp router-id no shut LAN1: 2001:db8:ffff:1::/64 FastEthernet0/0 RouterD RouterC FastEthernet0/1 LAN1: 2001:db8:ffff:2::/64

© 2006 Cisco Systems, Inc. All rights reserved.IP6FD v Summary EIGRP has extended its multiprotocol support to IPv6. EIGRP for IPv6 is configured per-interface on Cisco routers.

© 2006 Cisco Systems, Inc. All rights reserved.IP6FD v2.04-8