Version
Description
7.8.1.0
Added support for Multi-Process OSPF.
7.6.1.0
Introduced on the S-Series.
7.5.1.0
Introduced on the C-Series.
pre-6.1.1.1
Introduced on the E-Series.
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
OSPF Router with ID (20.20.20.5) (Process ID 1)
Type-5 AS External
LS age: 612
Options: (No TOS-capability, No DC, E)
LS type: Type-5 AS External
Link State ID: 12.12.12.2
Advertising Router: 20.31.3.1
LS Seq Number: 0x80000007
Checksum: 0x4cde
1120
Open Shortest Path First (OSPFv2 and OSPFv3)