Configuring Convergence End Points (Cep) Phone Detection; About Cep Phone Detection; Purpose; Commands - Enterasys Matrix DFE-Gold Series Configuration Manual

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Configuring Convergence End Points (CEP) Phone Detection

About CEP Phone Detection

Convergence is a method to detect a remote IP telephony or video device and apply a policy to the
connection port based on the type of CEP device found. When a convergence end point (CEP) is
found, the global policy for CEP detection is applied to the user on that port. The following phone
detection types are available on Enterasys Matrix DFE devices:
• Cisco Phone Detection – Uses the Cisco Discovery Protocol (CiscoDP) to detect IP phones.
When using Cisco phone detection, CiscoDP must be enabled and configured properly as
described in "Cisco Discovery Protocol" on page 3‐8.
• Siemens or Hipath Phone Detection – Uses either an IP address or a UDP / TCP port number
for detection. By default UDP port 4060 will be used and there is no IP address configured.
The commands in this section can be used to configure Siemens detection using new
parameters.
• H.323 Phone Detection – Uses either a UDP / TCP port number with multicast group IP
address or a UDP / TCP port number for detection. Default UDP ports are 1718,1719,1720.
Default group address is 224.0.1.41. The commands in this section can be used to configure
H.323 detection using new parameters. A second default H.323 detection excludes the default
group address.
• SIP Phone Detection – Uses either a UDP / TCP port number with multicast group IP address
or a UDP / TCP port number for detection. Default UDP / TCP port is 5060 and a multicast IP
of 224.0.1.75. A second default SIP detection excludes the default group address.

Purpose

To review, set the status and configure CEP phone detection.

Commands

For information about...
show cep connections
show cep detection
show cep policy
show cep port
set cep
set cep port
set cep policy
set cep detection-id
Note: There is no way to detect if a Siemens, SIP or H.323 phone goes away other than a link
down. Therefore, if these types of phones are not directly connected to the switch's port and the
phone goes away, the switch will still think there is a phone connection and any configured policy
will remain on the port. Detected CEPs will be removed from the connection table if they do not
send traffic for a period of time equal to the etsysMultiAuthIdleTimeout value. Additionally, CEPs will
be removed if the total duration of their sessions exceeds the time specified by
etsysMultiAuthSessionTimeout.
Configuring Convergence End Points (CEP) Phone Detection
Enterasys Matrix DFE-Gold Series Configuration Guide 25-39
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