Users Guide

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 Identies the router ID of the LSA’s originating router.
LS Seq Number Identies 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 Identies the address of the forwarding router. Data trac is forwarded to this
router. If the forwarding address is 0.0.0.0, data trac is forwarded to the
originating router.
External Route Tag Displays the 32-bit eld attached to each external route. The OSPF protocol does
not use this eld, but you can use the eld 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
Open Shortest Path First (OSPFv2 and OSPFv3)
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