Segment Routing (SR) allows for the creation of end-to-end paths through a network by using segments. In a Segment Routing architecture, various information is advertised by routers, including Local Node-SID, Adjacency-SIDs, and support for SR protocols like SR-MPLS and SRv6. However, the Segment Routing Global Block (SRGB) is necessary for SR-MPLS but not for SRv6, as SRv6 operates using IPv6 addresses and does not use the SRGB. Therefore, SRGB is not required to be advertised when SRv6 is configured.