O'Reilly logo
  • Jonathan Black thinks this is interesting:

ASBRs generate Type 4 LSAs.


Cover of Implementing Cisco IP Routing (ROUTE) Foundation Learning Guide: (CCNP ROUTE 300-101)


ABRs generate Type 4 LSAs. An ASBR advertises and Type 1 LSA with a special external bit set. It is up to the ABR to translate this LSA to a type 4.