This feature adds the support for OSPF multi-site domains described in RFC 4577(OSPF as the Provider/Customer Edge Protocol for BGP/MPLS IP Virtual Private Networks (VPNs) ) and enables routes BGP VPN routes to retain their original route type if they are in the same OSPF domain. Two sites are considered to be in the same OSPF domain if it is intended that routes from one site to the other be considered intra-network routes.

This feature provides isolation and allows segregating/dividing the link state database based on interface. 

This feature provides isolation and allows segregating/dividing the link state database based on interface. 

This feature provides isolation and allows segregating/dividing the link state database based on interface. 

This feature provides support for multiple IS IS instances in the default VRF.  Multiple IS IS instances are only

This feature implements RFC6119, which allows the extension of IS IS protocol to carry IPv6 Traffic Engineering

EOS release 4.20.1F adds OSPFv3 flood pacing support that allows configuring the minimum interval between the