Summary of Internal LSA Types
OSPF uses Type 1, 2, and 3 LSAs to calculate the best routes for all routes inside an OSPF routing domain. In a later chapter, we will explore Types 4, 5, and 7, which OSPF uses to calculate routes for external routes—routes redistributed into OSPF.
Table 8-3 summarizes some of the key points regarding OSPF Type 1, 2, and 3 LSAs. In particular for the ROUTE exam, the ability to sift through the output of various show ip ospf database commands can be important. Knowing what the OSPF LSID represents can help you interpret the output, and knowing the keywords used with the show ip ospf database lsa-type lsid commands can also be very useful. Table 8-3 summarizes these details.
Table 8-3 Facts About LSA Types 1, ...
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