Dell MXL 10GbE Reference Manual page 959

Field
Advertising Router
LS Seq Number
Checksum
Length
Network Mask
Metrics Type
TOS
Metric
Forward Address
External Route
Tag
Example
Dell#show ip ospf 1 database 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
Length: 36
Network Mask: /32
LS age: 1868
Options: (No TOS-capability, DC)
LS type: Type-5 AS External
Link State ID: 24.216.12.0
Advertising Router: 20.20.20.8
LS Seq Number: 0x80000005
Checksum: 0xa00e
Length: 36
Network Mask: /24
Open Shortest Path First (OSPFv2 and OSPFv3)
Description
Identifies the router ID of the LSA's originating router.
Identifies the link state sequence number. This number
enables you to identify old or duplicate LSAs.
Displays the Fletcher checksum of the LSA's complete
contents.
Displays the length in bytes of the LSA.
Displays the network mask implemented on the area.
Displays the external type.
Displays the Type of Service (TOS) options. Option 0 is the
only option.
Displays the LSA metric.
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.
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.
OSPF Router with ID (20.20.20.5) (Process ID 1)
Type-5 AS External
Metrics Type: 2
TOS: 0
Metrics: 25
Forward Address: 0.0.0.0
External Route Tag: 43
Metrics Type: 2
TOS: 0
Metrics: 1
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