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Table 4-93 show ip ospf external - display description
Field Description
OSPF Router id Router ID
LS age Age of LSA (in seconds)
Options Optional capabilities associated with the LSA
LS Type AS External Links - LSA describes routes to destinations
outside the AS (including default external routes for the AS)
Link State ID IP network number (External Network Number)
Advertising Router Advertising router ID
LS Sequence
Number
Sequence number of LSA (used to detect older duplicate
LSAs)
LS Checksum Checksum of the complete contents of the LSA
Length The length of the LSA in bytes
Network Mask Address mask for the network
Metric Type Type 1 or Type 2 external metric (see “redistribute” on
page 4-347)
Metrics Cost of the link
Forward Address Forwarding address for data to be passed to the advertised
destination
(If set to 0.0.0.0, data is forwarded to the originator of the
advertisement)
External Route Tag 32-bit field attached to each external route
(Not used by OSPF; may be used to communicate other
information between boundary routers as defined by specific
applications)