Connectivity Problems - Nokia IP500 Series Installation Manual

8
Troubleshooting

Connectivity Problems

Unable to ping through the appliance
Troubleshooting Tip Localize the problem by issuing pings to various
network interfaces on the IP500 Series appliance. Use tcpdump to trace
packets leaving or entering a port. For more information, see
Traffic with tcpdump"
Problem The interfaces are not enabled.
Solution Ensure that all interfaces are active and enabled, as described in
Chapter 3, "Configuring the Appliance."
Problem No route exists to the network.
Solution Check the routing table in Voyager to see if a route exists to the
network where the interface is located. If no route exists, see
Problems"
Problem The routing information for the attached appliance is incorrect.
Solution Correct the routing information.
Problem The default routing information for the attached appliance is
incorrect.
Solution Correct the default routing information.
Problem The ARP table contains incorrect information.
Solution Use Voyager to correct the information in the ARP table.
1. Click Config.
2. Click the ARP link in the Interfaces section.
3. Click the Display or Remove Dynamic ARP Entries link.
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on page 126.
on page 121.
"Filtering
"Routing
IP500 Series Installation Guide