52CHAPTER 4: TROUBLESHOOTING

Table 15 Troubleshooting

(continued)

 

 

Symptom

Solution(s)

 

 

After you change the IP

If you change the IP address and click Apply, you

address, after you restore a

cannot continue to configure the device using the old

backup configuration, or after

IP address. Similarly, after you restore a backup

you reset the Ethernet

configuration or reset the Ethernet Adapter to factory

Adapter to factory defaults,

defaults, the IP address setting may be changed.

the Configuration

To recover from this situation and continue configuring

Management System stops

the Ethernet Adapter:

responding and you cannot

1

 

continue configuring the

Close your browser.

Ethernet Adapter.

2

Return to the Enterasys Networks Wireless

 

 

 

Infrastructure Device Manager and click Refresh.

 

3

Select the device and click Configure to start a new

 

 

configuration session and set its IP address.

 

 

 

The Ethernet Adapter cannot

Adjust the position of the Ethernet Adapter to

associate with an access point.

 

improve reception.

 

Launch the Ethernet Adapter Configuration

 

 

Management System and make sure the security

 

 

settings on the Ethernet Adapter match those on

 

 

the access point.

 

 

The Wireless Network Tree does

Verify that you are using the correct network adapter.

not appear in the Enterasys

In the device manager window, click Choose NIC.

Networks Wireless Infrastructure

Select the network adapter for the network you want

Device Manager window.

to scan, and click OK.

 

 

The Ethernet Adapter has a

The Ethernet Adapter is on a different subnet than the

yellow exclamation point (!)

computer attempting to configure it.

next to it in the Wireless

To recover from this situation and continue configuring

Infrastructure Device

the Ethernet Adapter:

Manager.

1

Close your browser.

 

 

2

Return to the Enterasys Networks Wireless

 

 

Infrastructure Device Manager and click Refresh.

 

3

Select the device and click Configure to start a new

 

 

configuration session.

 

4

Make sure the subnet address matches that of the

 

 

computer.

 

 

 

Two Ethernet Adapters cannot

Adjust the positions of the Ethernet Adapters to improve

communicate in ad-hoc mode.

 

reception.

 

To ensure correct operation in ad-hoc mode, the

 

 

settings on the two Ethernet Adapters must match

 

 

exactly. Launch the Ethernet Adapter Configuration

Management System and make sure that the Wireless LAN Service Area, channel selections, Data Preamble setting, and security setting are the same on both Ethernet Adapters.

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Enterasys Networks RBTSA-AA, RBTSA-AB manual Troubleshooting