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IP Routing Features
Configuring OSPF
Displaying OSPF External Link State Information
To display external link state information, enter the following command at
any CLI level:
HPswitch# show ip ospf external-link-state
When you enter this command, an output similar to the following is displayed:
Link State ID Router ID Age Sequence # Checksum
--------------- --------------- ---- ----------- ----------
10.3.7.0 10.0.8.37 232 0x80000005 0x0000d99f
10.3.8.0 10.0.8.37 232 0x80000005 0x0000cea9
10.3.9.0 10.0.8.37 232 0x80000005 0x0000c3b3
10.3.10.0 10.0.8.37 232 0x80000005 0x0000b8bd
10.3.33.0 10.0.8.36 1098 0x800009cd 0x0000b9dd
Syntax: show ip ospf external-link-state
The OSPF external link state display shows the following information:
Table 16-5. CLI Display of OSPF External Link State Information
This Field... Displays...
Link State ID LSA ID for this LSA. Normally, the destination of the external route,
but may have some “host” bits set.
Router ID Router ID of the router that originated this external LSA.
Age Current age (in seconds) of this LSA.
Sequence # Sequence number of the current instance of this LSA.
Chksum(Hex) LSA checksum value.
Syntax: show ip ospf external-link-state [status | advertise] [link-state-id <link-
state-id> | router-id <router-id> | sequence-number <sequence#>]
The status keyword is optional and can be omitted. The output can be filtered
to show a subset of the total output by specifying the link-state-id, router-id, or
sequence-number options.
The advertise keyword displays the hexadecimal data in the specified LSA
packet, the actual contents of the LSAs. This can also be filtered as above by
including the link-state-id, router-id, or sequence-number options.
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