Troubleshooting

Diagnostic Flowcharts

 

Flowchart 3b: ping Test

 

Checks communication between network layers on source and target host using

 

ping(1M).

Figure 4-5

Flowchart 3b

ping Test

Execute

ping <remotehost> 2000

NO

Ensure MTUs are same on local and remote hosts by executing

lanadmin -M <new mtu> <nmid/ppa>

YES

Transport

Level

Test

 

 

 

Execute

 

 

 

 

 

 

 

 

NO

netstat -in.

Repeat

 

 

 

 

 

Successful?

Are MTUs same on

ping Test

 

 

 

local and remote

 

 

 

 

 

 

 

 

hosts?

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

Is speed

YES

Are you

1000 Mbps?

 

 

 

using jumbo

 

(1000Base-T only)

 

 

 

 

 

frames?

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ensure speed is 1000 Mbps on local and remote hosts

by executing lanadmin -x speed <nmid./ppa>

Repeat ping Test

NO

Validate network, remote host, and configuration settings

continued

36

Chapter 4

Page 38
Image 38
HP I 1000Base-T, HSC/I 1000Base-SX manual Flowchart 3b ping Test