Can OSPFv3 support IPv4?
Can OSPFv3 support IPv4?
The OSPFv3 address families feature enables both IPv4 and IPv6 unicast traffic to be supported. With this feature, you may have two device processes per interface, but only one process per AF. If the IPv4 AF is used, an IPv4 address must first be configured on the interface, but IPv6 must be enabled on the interface.
What is the instance ID range reserved for the IPv4 unicast address family in OSPFv3?
The default instance is 0 if no other is defined. Instances 1 through 31 are still used to associate multiple OSPFv3 instances to an interface, 32 and above have been redefined. 32 is the base IPv6 multicast address family; 64 is the base IPv4 unicast address family; and 96 is the base IPv4 multicast address family.
Which command is used to enable OSPFv3 and address families on an interface?
ospfv3 process-id
The preferred interface mode command for the new style OSPFv3 configuration is the ospfv3 process-id {ipv4|ipv6} area area-id command. It allows you to selectively activate the OSPFv3 process for an address family (IPv4 or IPv6) on a given interface.
How do I enable OSPFv3 on each interface?
Enabling OSPFv3
- Enter the configure terminal command to access global configuration mode. device# configure terminal.
- Enter the ip router-id command to specify the router ID.
- Enter the ipv6 router ospf command to enter OSPFv3 router configuration mode and enable OSPFv3 on the device.
What do you need to do to enable OSPFv3 on an interface?
Is OSPFv3 compatibility with OSPFv2?
Another similarity to the relationship of RIPng to RIPv2 is that OSPFv3 is not backward-compatible with OSPFv2. So if you want to use OSPF to route both IPv4 and IPv6, you must run both OSPFv2 and OSPFv3.
What is the OSPFv3 address families feature?
The OSPFv3 address families feature enables both IPv4 and IPv6 unicast traffic to be supported. With this feature, users may have two processes per interface, but only one process per AF. If the IPv4 AF is used, an IPv4 address must first be configured on the interface, but IPv6 must be enabled on the interface.
How do I configure OSPFv3 to use IPv4 or IPv6?
An OSPFv3 process can be configured to be either IPv4 or IPv6. The address-family command is used to determine which AF will run in the OSPFv3 process, and only one address family can be configured per instance.
How do I enable OSPFv3 on R3?
OSPFv3 is enabled directly on the interfaces for both IPv4 and IPv6 AFs using the ospfv3 pid [ ipv4 | ipv6 ] area area-id interface command. Use this command to enable OSPFv3 on both of R3’s interfaces in area 0.
Do I need an account on Cisco to use OSPFv3?
An account on Cisco.com is not required. To use the IPv4 unicast address families (AF) in OSPFv3, you must enable IPv6 on a link, although the link may not be participating in IPv6 unicast AF. With the OSPFv3 Address Families feature, users may have two processes per interface, but only one process per AF.