SMC Networks E21011 User Manual page 238

| Troubleshooting
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PPENDIX
Before Contacting Technical Support
If authentication is being performed through IEEE 802.1X, be sure
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the wireless users have installed and properly configured 802.1X
client software.
If MAC address filtering is enabled, be sure the client's address is
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included in the local filtering database or on the RADIUS server
database.
If the wireless clients are roaming between access points, make
■
sure that all the access point VAPs and wireless devices in the
Extended Service Set (ESS) are configured to the same SSID and
authentication method.
If the access point cannot be configured using the Telnet, SSH, a web
2.
browser, or SNMP software:
Be sure to have configured the access point with a valid IP address,
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subnet mask and default gateway.
If VLANs are enabled on the access point, the management station
■
should be configured to send tagged frames with a VLAN ID that
matches the access point's management VLAN (default VLAN 1, see
"VLAN Configuration" on page
point from a wireless client, the AP Management Filter should be
disabled (see "Access Limitation" on page
Check that you have a valid network connection to the access point
■
and that the Ethernet port or the wireless interface that you are
using has not been disabled.
If you are connecting to the access point through the wired Ethernet
■
interface, check the network cabling between the management
station and the access point. If you are connecting to access point
from a wireless client, ensure that you have a valid connection to
the access point.
If you cannot connect using Telnet, you may have exceeded the
■
maximum number of concurrent Telnet sessions permitted (that is,
four sessions). Try connecting again at a later time.
If you cannot access the CLI through a serial port connection:
3.
Be sure you have set the terminal emulator program to VT100
■
compatible, 8 data bits, 1 stop bit, no parity and 9600 bps.
Check that the null-modem serial cable conforms to the pin-out
■
connections provided in
page 256.
If you forgot or lost the password, contact technical support for
4.
assistance.
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58). However, to manage the access
64).
"Console Port Pin Assignments" on