ZyXEL Communications Corporation NWA5301NJ Manual De Usuario
Chapter 18 Troubleshooting
NWA5301-NJ User’s Guide
169
1
Make sure the wireless LAN (wireless radio) is enabled on the NWA.
2
Make sure the radio or at least one of the NWA’s radios is operating in AP mode.
3
Make sure the wireless adapter (installed on your computer) is working properly.
4
Make sure the wireless adapter (installed on your computer) is IEEE 802.11 compatible and
supports the same wireless standard as the NWA’s active radio.
supports the same wireless standard as the NWA’s active radio.
5
Make sure your computer (with a wireless adapter installed) is within the transmission range of the
NWA.
NWA.
6
Check that both the NWA and your computer are using the same wireless and wireless security
settings.
settings.
Hackers have accessed my WEP-encrypted wireless LAN.
WEP is extremely insecure. Its encryption can be broken by an attacker, using widely-available
software. It is strongly recommended that you use a more effective security mechanism. Use the
strongest security mechanism that all the wireless devices in your network support. WPA2 or WPA2-
PSK is recommended.
software. It is strongly recommended that you use a more effective security mechanism. Use the
strongest security mechanism that all the wireless devices in your network support. WPA2 or WPA2-
PSK is recommended.
The wireless security is not following the re-authentication timer setting I specified.
If a RADIUS server authenticates wireless stations, the re-authentication timer on the RADIUS
server has priority. Change the RADIUS server’s configuration if you need to use a different re-
authentication timer setting.
server has priority. Change the RADIUS server’s configuration if you need to use a different re-
authentication timer setting.
I cannot get a certificate to import into the NWA.
1
For My Certificates, you can import a certificate that matches a corresponding certification
request that was generated by the NWA. You can also import a certificate in PKCS#12 format,
including the certificate’s public and private keys.
request that was generated by the NWA. You can also import a certificate in PKCS#12 format,
including the certificate’s public and private keys.
2
You must remove any spaces from the certificate’s filename before you can import the certificate.
3
Any certificate that you want to import has to be in one of these file formats:
• Binary X.509: This is an ITU-T recommendation that defines the formats for X.509 certificates.
• PEM (Base-64) encoded X.509: This Privacy Enhanced Mail format uses lowercase letters,
• PEM (Base-64) encoded X.509: This Privacy Enhanced Mail format uses lowercase letters,
uppercase letters and numerals to convert a binary X.509 certificate into a printable form.
• Binary PKCS#7: This is a standard that defines the general syntax for data (including digital
signatures) that may be encrypted. A PKCS #7 file is used to transfer a public key certificate. The
private key is not included. The NWA currently allows the importation of a PKS#7 file that
contains a single certificate.
private key is not included. The NWA currently allows the importation of a PKS#7 file that
contains a single certificate.