Dell PowerConnect 6024F Command Line Interface Reference Manual page 261

The following table describes fields shown in the display:
Field
OSPF Router with id
LS age
Options
LS Type
Link State ID
Advertising Router
LS Seq Number
Checksum
Length
Network Mask
Metric Type
TOS
Metric
Forward Address
External Route Tag
Description
Router ID number.
Link-state age.
Type of service options (Type 0 only).
Link-state type.
Link-state ID (External Network Number).
Advertising router ID.
Link-state sequence number (detects old or duplicate LSAs).
Checksum (Fletcher checksum of the complete contents of the link-state
advertisement).
Length in bytes of the LSA.
Network mask implemented.
External type.
Type of service.
Link-state metric.
Forwarding address. Data traffic for the advertised destination is
forwarded to this address. If the forwarding address is set to 0.0.0.0, data
traffic is forwarded to the advertisement originator.
External route tag, a 32-bit field attached.
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OSPF Commands