The ipv6 enable command enables the IPv6 capability of an IS-IS process.
The undo ipv6 enable command disables the IPv6 capability of an IS-IS process.
By default, the IPv6 capability of an IS-IS process is disabled.
| Parameter | Description | Value |
|---|---|---|
| topology | Specifies the network topology type. | - |
| compatible | Sets the topology type to compatible. That is, the standard topology and the IPv6 topology are compatible. After IS-IS IPv6 adjacency relationship is established, IS-IS advertises IPv6 topology links and standard topology links. SPF, however, runs only in a standard topology. The compatible mode is helpful in a transition from the standard topology to the IPv6 topology. | - |
| enable-mt-spf | Indicates that SPF runs in the IPv6 topology in compatible mode. | - |
| ipv6 | Sets the topology type to IPv6. That is, the IPv6 capability of an IS-IS process can be enabled in an IPv6 topology. Links on the network can be configured as IPv4 or IPv6 links. SPF calculation is performed separately in IPv4 and IPv6 topologies. | - |
| standard | Sets the topology type to standard. That is, the IPv6 capability of an IS-IS process can be enabled in the integrated topology. Network administrators must ensure that all links on the network support the same topology mode. If the IPv6 capability of an IS-IS process is enabled, standard is used by default. | - |
Run the ipv6 command in the system view to enable IPv6 globally.
Run the isis command to enable an IS-IS process.
Run the network-entity command to set a NET for IS-IS.
Run the ipv6 enable command in the IS-IS view to enable the IPv6 capability of an IS-IS process.
On each interface that needs to run an IS-IS process, run the ipv6 enable command to enable the IPv6 capability and configure an IPv6 address.
Run the isis ipv6 enable command to enable IS-IS for IPv6 on each interface.