Reference Guide

Open Shortest Path First (OSPFv2) | 1125
Summary Network (Area 0.0.0.0)
LS age: 1551
Options: (No TOS-capability, DC, E)
LS type: Summary Network
Link State ID: 192.68.16.0
Advertising Router: 192.168.17.1
LS Seq Number: 0x80000054
Checksum: 0xb5a2
Length: 28
Network Mask: /24
TOS: 0 Metric: 1
LS age: 9
Options: (No TOS-capability, No DC, E)
LS type: Summary Network
Link State ID: 192.68.32.0
Advertising Router: 1.1.1.10
LS Seq Number: 0x80000016
Checksum: 0x987c
Length: 28
Network Mask: /24
TOS: 0 Metric: 1
LS age: 7
Options: (No TOS-capability, No DC, E)
LS type: Summary Network
Link State ID: 192.68.33.0
Advertising Router: 1.1.1.10
LS Seq Number: 0x80000016
Checksum: 0x1241
Length: 28
Network Mask: /26
TOS: 0 Metric: 1
FTOS#
Table 37-9. Command Example Descriptions: show ip ospf process-id database
summary
Items Description
LS Age Displays the LSA age.
Options Displays the optional capabilities available on router. The following options
can be found in this item:
• TOS-capability or No TOS-capability is displayed depending on whether
the router can support Type of Service.
• DC or No DC is displayed depending on whether the originating router can
support OSPF over demand circuits.
• E or No E is displayed on whether the originating router can accept AS
External LSAs.
LS Type Displays the LSA’s type.
Link State ID Displays the Link State ID.
Advertising Router Identifies the router ID of the LSA’s originating router.
LS Seq Number Identifies the link state sequence number. This number enables you to identify
old or duplicate LSAs.
Checksum Displays the Fletcher checksum of an LSA’s complete contents.
Length Displays the length in bytes of the LSA.