CCNA 3.2.d: Routing protocol code

Overview:

Routing protocol code identifies by which routing protocol each route was learned.

Study Notes:

• Common routing protocol codes include:
  • C - connected
  • S - static
  • I - IGRP
  • R - RIP
  • B - BGP
  • D - EIGRP
  • EX - EIGRP external
  • O - OSPF
  • And more...