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Table 38.
Field Description
External Routing A definition of the router's capabilities for the area,
including whether or not AS-external-LSAs are
flooded into/throughout the area.
SPF Runs The number of times that the intra-area route table
has been calculated using this area's link-state
database. This is done using Dijkstra's algorithm.
Area Border Router Count The total number of area border routers reachable
within this area. This is initially zero, and is
calculated in each SPF Pass.
Area LSA Count The total number of link-state advertisements in this
area's link-state database, excluding AS External
LSAs.
Area LSA Checksum The 32-bit unsigned sum of the link-state
advertisements' LS checksums contained in this
area's link-state database. This sum excludes
external (LS type 5) link-state advertisements. The
sum can be used to determine if there has been a
change in a router's link state database, and to
compare the link-state database of two routers.
Import Summary LSAs The summary LSAs will be enabled/disabled
imported into this area.
Chapter 4. Routing | 303
ProSafe® Gigabit L3 Managed Stackable Switches Software Administration Manual
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