Cisco WS-X4604-GWY - VoIP Gateway Especificaciones descargar pdf (Pagina 79)

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Cisco IP Telephony Network Design Guide

78-11103-03

Chapter 3 Cisco CallManager Clusters

Cisco CallManager Redundancy

Note The sizes of clusters and redundancy groups are subject to change in

future releases of Cisco CallManager.

The following recommendations apply to the configuration of redundancy groups

for Cisco CallManager Release 3.0(5):

• Cisco CallManager cluster for up to 2500 users:

–

Server A is a dedicated database publisher and TFTP server.

–

Server B is the primary Cisco CallManager for all registered devices.

–

Server C is the backup Cisco CallManager for all registered devices.

In the configuration above, only a single Cisco CallManager redundancy

group is required for servers B and C.

• Cisco CallManager cluster for up to 5000 users:

–

Server A is a dedicated database publisher and TFTP server.

–

Server B is the primary Cisco CallManager for IP phones 1 through 2500.

–

Server C is the primary Cisco CallManager for IP phones 2501 through

5000.

–

Server D is the backup Cisco CallManager for all registered devices.

In the configuration above, two Cisco CallManager redundancy groups are

required for servers BD and CD.

• Cisco CallManager cluster for up to 10, 000 users:

–

Server A is a dedicated database publisher.

–

Server B is a dedicated TFTP server.

–

Server C is the primary Cisco CallManager for IP phones 1 through 2500.

–

Server D is the primary Cisco CallManager for IP phones 2501 through

5000.

–

Server E is the backup Cisco CallManager for IP phones 1 through 5000.

–

Server F is the primary Cisco CallManager for IP phones 5001 through

7500.

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