Nokia IP300 Series Installation Manual page 115

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Troubleshooting Routing Problems
Common Problems with OSPF
Use tcpdump to view routing information. Use the following command
display routing updates for that interface:
tcpdump -i interface proto ospf
For more information about how to use the tcpdump command, see the Nokia
Network Voyager Reference Guide.
Under routing options in Network Voyager, you can also enable several types
of trace options for OSPF. These traces are logged in .
/var/tmp/ipsrd.log
For information about how to access Network Voyager and the related
reference materials, see "Accessing Nokia Network Voyager" on page 30.
Problem OSPF is not configured.
Solution Verify that OSPF is properly configured for all interfaces that are
involved in OSPF routing. For more information, see Configuring OSPF from
the Configuring Routing document page in Network Voyager. You can access
the document page by pressing Doc.
Problem OSPF hello and dead timers are not the same on each interface for
a given link.
Solution Verify that the settings at the end of each link are identical.
Problem Attached devices do not support OSPF.
Solution Ensure that the attached IP300 Series appliance supports OSPF. If
the attached appliance does not support OSPF, configure it with a protocol
that the appliance supports and exchange routes with OSPF, or set a default or
static route.
Note
You can also use ICLID to display OSPF details.
Nokia IP300 Series Security Platform Installation Guide 107