Configuring Security, Quality, and Network Features
Configuring VLAN Settings
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 156
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Debug Level—The debug level ranges from 0 to 3. The higher the level, the more
debug information is generated. Zero (0) means no debug information is
generated. To log SIP messages, you must set the Debug Level to at least 2.
Defaults to 0.
NTP Enable—Enables the Network Time Protocol (NTP). Applies to the
Cisco SPA525G or Cisco SPA525G2 only.
Primary NTP Server—IP address or name of the primary NTP server used to
synchronize its time. Defaults to blank.
Secondary NTP Server—IP address or name of the secondary NTP server used
to synchronize its time. Defaults to blank.
Enable Bonjour—Bonjour is used by Office Manager and Cisco Configuration
Assistant to discover the Cisco IP phones. Choose yes to enable or no to disable.
Applies to the Cisco SPA525G or Cisco SPA525G2 only.
Configuring VLAN Settings
If you use a VLAN, your IP phone voice packets are tagged with the VLAN ID. (This
section does not apply to the Cisco WIP310.)
Configuring Cisco Discovery Protocol (CDP)
CDP is negotiation-based and determines which VLAN the IP phone resides in. If
you are using a Cisco switch, Cisco discovery protocol (CDP) is available and
enabled by default. CDP:
• Obtains the protocol addresses of neighboring devices and discovers the
platform of those devices.
• Shows information about the interfaces your router uses.
• Is media and protocol-independent.
If you are using a VLAN without CDP, you must enter a VLAN ID for the IP phone.
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