Certain Linux commands are no longer maintained for a number of reasons - including security vulnerabilities. Here's the list.

Abstract: Link State Advertisement (LSA) reflects the current status of all incident links of a router in an Autonomous System (AS). A fake LSA with false link status information will pollute the view ...

Abstract: Traditional routing protocols employ limited information to make routing decisions, which leads to slow adaptation to traffic variability and restricted support to the quality of service ...