The General Router ID configuration provides the ability to configure a common Router ID for all routing protocols

This feature implements support for RFC6232 that helps a user identify source of an LSP purge packet. It can be enabled

Level 1 2 routers set attached bit in their Level 1 LSPs to indicate their reachability to the rest of the network. A

This feature allows user to configure adjacency SID of global scope for IS IS adjacencies. It is an extension to IS IS

Isis 4.21.0F

This feature enables the support of maximum SID depth advertisement by the IS-IS protocol in its LSPDB as defined in RFC8491, with this feature adding support for one type of MSD: Base MPLS Imposition (BMI-MSD).

When there are multiple VRFs on the device and there is a need to share routes between them, typically for shared

VRF Route leaking can be used when routes from one VRF are required in another VRF (e.g. in case of shared services). If

Configuring the IGP cost for tunnels is a feature that allows influencing the BGP best path selection for routes

BGP LDP Isis 4.22.1F