Use this window to add or edit CEP detection rules that are used to determine if a connecting end-system is a CEP device, and what type of CEP device it is. This allows Policy Manager to assign the appropriate role to the port based on the type of CEP device detected. Access the window from the CEP Detection sub-tab in the right-panel Device Authentication tab.
| NOTE: | CEP detection rules apply only to Siemens, H.323, and SIP (Session Initiation
Protocol) phone detection. Cisco
detection uses CiscoDP as its detection method. |
|---|
CEP detection rules are based on two detection methods:
- TCP/UDP Port Number detection - Many CEP vendors use specific TCP/UDP port numbers for call setup on their IP phones. You can create detection rules that identify CEP devices based on specific TCP/UDP port numbers. By default, Siemens Hi-Path phones will be detected on TCP/UDP port 4060.
- IP Address detection - H.323 phones use a reserved IP multicast address and UDP port number for call setup. You can create detection rules that will detect an IP phone based on its IP address in combination with an IP address mask. By default, H.323 phones will be detected using the multicast address 224.0.1.41 and the TCP/UDP ports 1718, 1719, and 1720. SIP phones will be detected using the multicast address 224.0.1.75 and the TCP/UDP port 5060. H.323 and SIP phones will also be detected using only their respective multicast addresses without the TCP/UDP ports.
Click the graphic for more information.
CEP Detection Settings
- Priority
- Enter the rule priority with one (1) being the highest priority. The rule with the highest priority will be used first, so it is recommended that the highest priority be given to the predominate protocol in the network to provide for greater efficiency.
- Address
- If the rule is based on IP address detection, enter the IP address
that incoming packets will be matched against. By default, H.323 will use
224.0.1.41 as its IP address, SIP will use 224.0.1.75 as its IP address, and Siemens will have no IP address configured.
- Address Mask
- If the rule is based on IP address detection, enter the IP address mask that incoming packets will be matched against.
- End Point Type
- Select the endpoint type (H.323, Siemens, or SIP) that will be assigned if incoming packets match this rule.
- Protocol
- If the rule is based on TCP/UDP port detection, select the UDP and/or TCP
checkbox and define a port range with Port
Low and Port High values:
- UDP and TCP - Match the port number for both UDP and TCP frames.
- TCP - Match the port number only for TCP frames.
- UDP - Match the port number only for UDP frames.
For information on related windows:
For information on related tasks:
