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Here we see that the printer was granted access! You can see a Jetdirect configuration page in
Figure 20 where EAP-TLS was successful:
Figure 20 – HP Jetdirect 802.1X Success
If there were any issues with authentication, you won’t be able to access HP Jetdirect over the
network. You can see the failure in the event log. Refer to Microsoft documentation on IAS to
troubleshoot any issues with IAS. The configuration of HP Jetdirect, the Switch, and the IAS server
must be correct for 802.1X to work properly. It is sometimes useful to get the configuration working
with a Windows XP client and test out the infrastructure to make sure all problems are resolved before
working with HP Jetdirect. Windows XP can be configured and manipulated without having to use the
network. This capability makes troubleshooting easier. With HP Jetdirect, the network must be used
to configure 802.1X, which is difficult to troubleshoot when problems arise.
Once HP Jetdirect is configured for 802.1X authentication, 802.1X authentication MUST be successful
for any non-802.1X networking activity to occur. If 802.1X authentication is not successful for
whatever reason (e.g., switch port doesn’t support 802.1X, the 802.1X configuration is wrong,
etc…), the networking protocol stacks on HP Jetdirect remain in the initializing state and are not
functional. In Figure 21, a Jetdirect configuration page can be seen showing such a state:
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