Troubleshooting 10/100Base-TX/9000

Diagnostic Flowcharts

Flowchart 9 Procedures

A.Execute: ping from known good host through gateway to known good remote host. This will test gateway connectivity to the remote network.

B.Successful? If the executing ping returned successfully, the problem may exist in the routing table for the problem host. Go to C.

C.Check route table on problem host and all hosts in between. Execute netstat -r to examine a route table.

D.Examine gateway. If the gateway is an HP 9000, go to G. If it is not, go to F.

E.Correct route tables. Ensure that the proper IP/Internet addresses are assigned in the Destination and Gateway fields. If you are using subnetting, make sure that the destination is what you expect: a network or a host. Go to flowchart 1 to verify that the problem is solved.

F.Non-HP 9000 or other vendors.Refer to networking documentation. Refer to the documentation that came with the gateway for additional diagnostics.

G.If HP 9000, execute ifconfig on gateway host. Execute ifconfig for all network interfaces on the gateway.

H.Network interface up? If the output from ifconfig does not include the UP parameter, the network interface is down. Execute netstat -i to check the status of the network interfaces. An asterisk (*) indicates that the interface is down. If the network interface is down, go to I.

If the network interfaces are UP, start again with flowchart 3. Using flowchart 3, test all network interfaces on the gateway.

I.Configure interface up. Execute ifconfig on each interface to bring it up. Start again with flowchart 1. Using flowchart 1, test all network interfaces on the

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HP PB 10 manual Flowchart 9 Procedures

PB 10 specifications

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