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Parameters
process-id Enter the OSPF Process ID to show a specific process. If no Process ID is entered,
command applies only to the first OSPF process.
link-state-id (OPTIONAL) Specify LSA ID in dotted decimal format. The LSA ID value depends
on the LSA type, and it can be one of the following:
● the network’s IP address for Type 3 LSAs or Type 5 LSAs
● the router’s OSPF router ID for Type 1 LSAs or Type 4 LSAs
● the default destination (0.0.0.0) for Type 5 LSAs
adv-router ip-
address
(OPTIONAL) Enter the keywords adv-router and the ip-address to display only
the LSA information about that router.
Command Modes
● EXEC
● EXEC Privilege
Supported Modes Full–Switch
Command
History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
The following describes the show ip ospf process-id database external 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.
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 the LSA’s complete contents.
Length Displays the length in bytes of the LSA.
Network Mask Displays the network mask implemented on the area.
Metrics Type Displays the external type.
TOS Displays the Type of Service (TOS) options. Option 0 is the only option.
Metric Displays the LSA metric.
Forward Address Identifies the address of the forwarding router. Data traffic is forwarded to this
router. If the forwarding address is 0.0.0.0, data traffic is forwarded to the
originating router.
External Route
Tag
Displays the 32-bit field attached to each external route. The OSPF protocol does
not use this field, but you can use the field for external route management.
Example
Dell#show ip ospf 1 database external
840 Open Shortest Path First (OSPFv2 and OSPFv3)