Testing Switch-To-Device Network Communications; Testing End-To-End Network Communications; Restoring The Factory Default Configuration - HP Aruba 3810M Series Installation And Getting Started Manual

Testing Switch-to-Device Network Communications

You can perform the following communication tests to verify the network is operating correctly
between the switch and any connected device that can respond correctly to the communication
test.
Link Test -- a physical layer test that sends IEEE 802.2 test packets to any device identified
by its MAC address.
Ping Test -- a network layer test used on IP networks that sends test packets to any device
identified by its IP address.
These tests can be performed through the switch console interface from a terminal connected
to the switch or through a Telnet connection, or from the switch's web browser interface. For
more information, see the Management and Configuration Guide for your switch at
www.hpe.com/networking/support.
These tests can also be performed from an SNMP network management station running a
program that can manage the switch, for example, IMC.

Testing End-to-End Network Communications

Both the switch and the cabling can be tested by running an end-to-end communications test --
a test that sends known data from one network device to another through the switch. For example,
if you have two PCs on the network that have LAN adapters between which you can run a link-level
test or Ping test through the switch, you can use this test to verify that the entire communication
path between the two PCs is functioning correctly. See your LAN adapter documentation for
more information on running a link test or Ping test.

Restoring the Factory Default Configuration

As part of your troubleshooting process on the switch, it may become necessary to return the
switch configuration to the factory default settings. This process momentarily interrupts the switch
operation, clears any passwords, clears the console event log, resets the network counters to
zero, performs a complete self test, and reboots the switch into its factory default configuration
including deleting the IP address, if one is configured.
NOTE: This process removes all switch configuration changes you have made from the factory
default settings. This includes, for example, configuration of VLANs, Spanning Tree, trunks, and
stacking. Returning the configuration of these features to their factory default settings (usually
disabling them) may result in network connectivity issues.
If the switch has a valid configuration, and you are restoring the factory default settings for a
reason other than configuration problems, you should save the switch configuration prior to
performing the factory default reset. Then, after the reset and resolution of the original problem,
you can restore the saved configuration to the switch. For information on saving and restoring
the configuration, see the Management and Configuration Guide for your switch at
www.hpe.com/networking/support.
You can restore the factory default configuration either on the switch itself, or through the switch
console.
To execute the factory default reset on the switch, perform these steps:
1. Using pointed objects, simultaneously press both the Reset and Clear buttons on the front
of the switch.
2. Continue to press the Clear button while releasing the Reset button.
3. When the Global Status LED begins to fast flash orange (after approximately 5 seconds),
release the Clear button.
The switch will then complete its boot process and begin operating with its configuration
restored to the factory default settings.
78 Troubleshooting
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