Owner's Manual

OSPF Commands 261
The following table describes fields shown in the display:
Field Description
OSPF Router with id Router ID number.
LS age Link-state age.
Options Type of service options (Type 0 only).
LS Type Link-state type.
Link State ID Link-state ID (External Network Number).
Advertising Router Advertising router ID.
LS Seq Number Link-state sequence number (detects old or duplicate LSAs).
Checksum Checksum (Fletcher checksum of the complete contents of the link-state
advertisement).
Length Length in bytes of the LSA.
Network Mask Network mask implemented.
Metric Type External type.
TOS Type of service.
Metric Link-state metric.
Forward Address 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 External route tag, a 32-bit field attached.