Dell Force10 S4810P Reference Manual page 1185

Field
LS Type
Link State ID
Advertising Router
LS Seq Number
Checksum
Length
Network Mask
Metrics Type
TOS
Metric
Forward Address
External Route Tag
Example
FTOS#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
Description
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•
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Displays the LSA's type.
Displays the Link State ID.
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 an 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. This field is
not used by the OSPF protocol, but can be used 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
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.
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