draft-zl-lsr-igp-sub-interface-relationship

IGP Extensions for Sub-interface Relationship Information

groupnone stateactive pages8 rev00 expires2026-09-01 canonicalhttps://datatracker.ietf.org/doc/draft-zl-lsr-igp-sub-interface-relationship/

This document extends ISIS and OSPF, allowing a network device to advertise the relationship between a physical interface and its sub- interfaces. This extension enables the links based on sub-interfaces to participate in the alternative paths for load balancing in SRv6 BE bandwidth polling.