Cisco Unified Wireless IP Phone 7925G Series Deployment Guide 17
If anonymous PAC provisioning is not allowed in the product wireless LAN environment then a staging Cisco ACS can be
setup for initial PAC provisioning of the Cisco Unified Wireless IP Phone 7925G Series.
This requires that the staging ACS server be setup as a slave EAP-FAST server and components are replicated from the product
master EAP-FAST server, which include user and group database and EAP-FAST master key and policy info.
Ensure the production master EAP-FAST ACS server is setup to send the EAP-FAST master keys and policies to the staging
slave EAP-FAST ACS server, which will then allow the Cisco Unified Wireless IP Phone 7925G Series to use the provisioned
PAC in the production environment where “Allow anonymous in-band PAC provisioning” is disabled.
When it is time to renew the PAC, then authenticated in-band PAC provisioning will be used, so ensure that “Allow
authenticated in-band PAC provisioning” is enabled.
Ensure that the Cisco Unified Wireless IP Phone 7925G Series has connected to the network during the grace period to ensure it
can use its existing PAC created either using the active or retired master key in order to get issued a new PAC.
Is recommended to only have the staging wireless LAN pointed to the staging ACS server and to disable the staging access
point radios when not being used.
Extensible Authentication Protocol – Transport Layer Security (EAP-TLS)
Extensible Authentication Protocol Transport Layer Security (EAP-TLS) is using the TLS protocol with PKI to secure
communications to the authentication server.
TLS provides a way to use certificates for both user and server authentication and for dynamic session key generation.
Either the internal Manufacturing Installed Certificate (MIC) or a user installed certificate can be used for authentication.
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