After IS-IS topology information is advertised to BGP-LS, BGP-LS reports the topology information to a controller for path planning.
IS-IS collects network topology information including link cost, latency, packet loss rate and more and advertises the information to BGP-LS, which then reports the information to the controller. The controller can compute an SRv6 TE Policy based on link cost, latency, packet loss rate and other factors to meet various service requirements.
Before the configuration, pay attention to the following points:
If the controller computes an SRv6 TE Policy based on the link cost, no additional configuration is required.
The system view is displayed.
The IS-IS view is displayed.
IPv6 is enabled for the IS-IS process.
IS-IS wide metric is configured.
IS-IS IPv6 topology advertisement is enabled.
The IS-IS process is enabled to advertise IPv6 link attribute TLVs in LSPs. IPv6 link attributes include the IPv6 address and interface index.
The configuration is committed.