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Configuring IPv6 Unicast Routing
Configuring IPv6
To disable an OSPF routing process, use the no ipv6 router ospf process-id global configuration command. To disable
the OSPF routing process for an interface, use the no ipv6 ospf process-id area area-id interface configuration
command.
For more information about configuring OSPF routing for IPv6, see the “Implementing OSPF for IPv6” chapter in the IPv6
Implementation Guide, Cisco IOS Release 15.2M&T.
Configuring EIGRP for IPv6
By default, EIGRP for IPv6 is disabled. You can configure EIGRP for IPv6 on an interface. After configuring the router and
the interface for EIGRP, enter the no shutdown privileged EXEC command to start EIGRP.
Note: If EIGRP for IPv6 is not in shutdown mode, EIGRP might start running before you enter the EIRGP router-mode
commands to configure the router and the interface.
To set an explicit router ID, use the show ipv6 eigrp command to see the configured router IDs, and then use the
router-id command.
As with EIGRP IPv4, you can use EIGRPv6 to specify your EIGRP IPv4 interfaces and to select a subset of those as passive
interfaces. Use the passive-interface default command to make all interfaces passive, and then use the no
passive-interface command on selected interfaces to make them active. EIGRP IPv6 does not need to be configured
on a passive interface.
For more configuration procedures, see the “Implementing EIGRP for IPv6” chapter in the IPv6 Implementation Guide,
Cisco IOS Release 15.2M&T.
Configuring BGP for IPv6
When configuring multiprotocol BGP extensions for IPv6, you must create the BGP routing process, configure peering
relationships, and customize BGP for your particular network. Note that BGP functions the same in IPv6 as in IPv4.
BEFORE YOU BEGIN
Before configuring the router to run BGP for IPv6, you must use the ipv6 unicast-routing command to globally enable
IPv6 routing.
8. end Return to privileged EXEC mode.
9. show ipv6 ospf [process-id] [area-id]
interface [interface-id]
or
show ipv6 ospf [process-id] [area-id]
Display information about OSPF interfaces.
Display general information about OSPF routing
processes.
10. copy running-config startup-config (Optional) Save your entries in the configuration file.
Command Purpose
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