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Old 03-15-2010, 02:53 AM
netbrain-tac netbrain-tac is offline
 
Join Date: Dec 2009
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Default Troubleshoot Tune Live Access Failure Problems

Troubleshoot Ping failure


1. Check whether the local computer can access the live network. If not, check the network setting in your PC; otherwise go to the next step.
2. Check whether the device is up. If yes, go to the next step.
3. Check whether the ACL configured in the device blocks the ICMP packages. If not, go to the next step.
4. Check the access method set in the Device Setting window.
l If the workstation pings the selected device directly, we can draw the conclusion that reasons irrelevant to NetBrain Workstation cause this issue.
l If the Ping/Trace/SNMP via field is set to via Proxy Appliance, check whether the communication between the local computer and proxy appliance is good. If not, check the network connection between them. If the network connection is good, check the proxy service running on the Proxy Appliance.



Troubleshoot Telnet/SSH failure:


1. Check whether the local computer can access the live network. If not, check the network setting in your PC; otherwise go to the next step.
2. Check whether the device is up. If yes, go to the next step.
3. Check the access method set in the Device Setting window.
a) If the workstation is set to Telnet/SSH to the selected device directly, then do the following checks:
i. Check whether the connection between the local computer and the selected device is good. You can use tools such as Ping and Traceroute for this purpose.
ii. Check whether the access method via Telnet/SSH is denied against the selected devices or whether the ACLs block the Telnet/SSH package from your PC to the selected device.
b) If the Ping/Trace/SNMP via field is set to via Jumpbox, then the workstation will Telnet/SSH to the selected device via the Jumpbox. Then do the following checks:
l Check whether the communication between the local computer and the Jumpbox is okay.
l Check whether the communication between the Jumpbox and the selected device is okay.
l Check whether the access method via Telnet/SSH is denied against the selected devices or whether the ACLs block the Telnet/SSH package from the Jumpbox to the selected device.
l Check whether you can Telnet/SSH to the Jumpbox with the same login credentials defined in the live network setting. Also check whether the prompts in the login process are the same as the settings in the Live Network Setting window. If not, enter the correct settings for the Jumpbox. If the settings are the same, we can draw the conclusion that reasons irrelevant to NetBrain Workstation cause this issue.



Troubleshoot Login failure


1. Check whether Telnet/SSH operation is successful. If not, troubleshoot Telnet/SSH failure. If yes, go to the next step.
2. Check whether at least one username/password pair defined in the Live Network Setting window can login to the selected device successfully. If not, add more username/password pairs to the Live Network Setting window. If login is successful, go to the next step.
3. Check whether the prompts in the login process are included in the username and password fields of the discoversetting.ini under the config directory. If not, add the prompt file and restart NetBrain Workstation.


Troubleshoot Enable failure


1. Check whether the login operation is successful. If not, troubleshoot login failure. If login is successful, go to the next step.
2. Check whether at least one privilege password item specified in the Live Network Settings window can enter the privilege mode of the device successfully. If not, add more enable passwords in the Live Network Setting window. If you are able to enter the privilege mode, go to the next step.
3. Check whether the prompt of the privilege mode is included in the privilege filed of the discoverseting.ini under the config directory. If not, add the prompt and restart NetBrain Workstation.


Troubleshoot SNMP RO, Hostname, Vendor, Model, Serial#, Interface Info, Software Version, Contactor and Location failure


1. Check whether the workstation can ping the selected device successfully. If no, troubleshoot the ping failure following the troubleshooting procedure. If yes, go to the next step.
2. Check whether the SNMP is enabled in the selected device. If no, enable SNMP. If yes, go to the next step.
3. Check whether at least one SNMP RO string specified in the Live Network Settings window can access the selected device. If no, add more SNMP RO strings. If yes, go to the next step.
4. Check the SNMP timeout by clicking “NetBrain” icon on top-left corner > Options (lower-right corner) > Live access tab > Live access timeout – SNMP.
5. Check whether the SNMP-server location/contact command is configured on the device. If yes, go to the next step.
6. Check whether the OID in the live device is same as that defined in the Live Network Settings window. If not, modify the OID in the global setting.
7. For CatOS switches, check whether the device supports "show version" command.

Last edited by netbrain-tac; 05-05-2010 at 01:27 AM.
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