Product guide
IP Routing Features
Configuring OSPF
Field
Retrans Interval
Hello Interval
Rtr Dead Interval
Designated
Router
Backup Desig. Rtr
Events
Content
Configured retransmit interval for this interface.
Configured hello interval for this interface.
Configured router dead interval for this interface.
IP address of the router that has been elected designated
router on this interface.
IP address of the router that has been elected backup desig-
nated router on this interface.
Number of times the interface state has changed.
If you use show ip ospf interface vlan < vlan-id >, the output will be the same as
shown in the previous table, but for the IP address on the indicated VLAN.
Displaying OSPF Link State Information
To display OSPF link state information, enter show ip ospf link-state at any CLI
level. When you enter this command, the switch displays an output similar to
the following for all configured areas:
OSPF Link State Database for Area 0.0.0.0
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LSA Type Link State ID Router ID Age Sequence # Checksum
---------- --------------- --------------- ---- ----------- ----------
Router 10.0.8.32 10.0.8.32 65 0x80000281 0x0000a7b6
Router 10.0.8.33 10.0.8.33 1638 0x80000005 0x0000a7c8
Network 10.3.2.37 10.0.8.37 1695 0x80000006 0x00000443
Summary 10.3.16.0 10.0.8.33 1638 0x80000007 0x0000c242
Summary 10.3.16.0 10.0.8.35 1316 0x80000008 0x0000aa58
Summary 10.3.17.0 10.0.8.33 1638 0x8000027b 0x0000becf
Summary 10.3.17.0 10.0.8.35 1316 0x80000008 0x0000a957
AsbSummary 10.0.8.36 10.0.8.33 1412 0x80000002 0x00002cba
OSPF Link State Database for Area 10.3.16.0
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LSA Type Link State ID Router ID Age Sequence # Checksum
---------- --------------- --------------- ---- ----------- ----------
Router 10.0.8.33 10.0.8.33 1727 0x8000027e 0x0000d53c
Router 10.0.8.34 10.0.8.34 1420 0x80000283 0x0000de4f
Network 10.3.16.34 10.0.8.34 1735 0x80000005 0x00001465
Figure 5-31. Example of Show IP OSPF Link-State Output
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