Reference Guide
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version 
6.1.1.1
Introduced on the E-Series.
Usage 
Information
The following describes the show ip ospf process-id database network 
command shown in the following example.
Field Description
LS Age Displays the LSA’s 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.
Checksum Identifies the link state sequence number. This number enables you 
to identify old or duplicate LSAs.
Length Displays the Fletcher checksum of an LSA’s complete contents.
Network Mask Displays the length in bytes of the LSA.
Attached Router Identifies the IP address of routers attached to the network.
Example
FTOS#show ip ospf 1 data network
 OSPF Router with ID (20.20.20.5) (Process ID 1)
 Network (Area 0.0.0.0)
 LS age: 1372
Options: (No TOS-capability, DC, E)
LS type: Network
Link State ID: 202.10.10.2
Advertising Router: 20.20.20.8
LS Seq Number: 0x80000006
Checksum: 0xa35
Length: 36
Network Mask: /24
 Attached Router: 20.20.20.8
 Attached Router: 20.20.20.9
 Attached Router: 20.20.20.7
 Network (Area 0.0.0.1)
LS age: 252
972










