Owners Manual

Item Description
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 type.
Link State ID Displays the Link State ID.
Advertising Router Identifies the router ID of the LSA’s originating router.
LS Seq Number Displays the link state sequence number. This number
detects duplicate or old LSAs.
Checksum Displays the Fletcher checksum of an LSA’s complete
contents.
Length Displays the length in bytes of the LSA.
Number of Links Displays the number of active links to the type of router
(Area Border Router or AS Boundary Router) listed in the
previous line.
Link connected
to:
Identifies the type of network to which the router is
connected.
(Link ID) Identifies the link type and address.
(Link Data) Identifies the router interface address.
Number of TOS
Metric
Lists the number of TOS metrics.
TOS 0 Metric Lists the number of TOS 0 metrics.
Example
Dell#show ip ospf 100 database router
OSPF Router with ID (1.1.1.10) (Process ID 100)
Router (Area 0)
LS age: 967
Options: (No TOS-capability, No DC, E)
LS type: Router
Link State ID: 1.1.1.10
Advertising Router: 1.1.1.10
LS Seq Number: 0x8000012f
Checksum: 0x3357
Length: 144
AS Boundary Router
Area Border Router
Open Shortest Path First (OSPFv2 and OSPFv3)
1281