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The term alternate gatekeeper has multiple meanings:
•
The ability of an H.323 endpoint, such as a gateway, to statically configure two gatekeepers
to provide a backup in the event the primary fails.
to provide a backup in the event the primary fails.
•
The ability of an H.323 endpoint to register to a GUP cluster.
Best results are achieved when Unified CVP uses the GUP cluster method of alternate gatekeeper
since solution tests have shown that proper load-balancing to Unified CVP devices is difficult
to achieve with straight alternate gatekeeper methods. Although Unified CVP itself cannot
process GUP messages, it can participate in the GUP cluster. It simply ignores GUP messages
and functions as a straight alternate gatekeeper client as described below.
since solution tests have shown that proper load-balancing to Unified CVP devices is difficult
to achieve with straight alternate gatekeeper methods. Although Unified CVP itself cannot
process GUP messages, it can participate in the GUP cluster. It simply ignores GUP messages
and functions as a straight alternate gatekeeper client as described below.
The following is a simple example of Unified CVP being used in a gatekeeper cluster.
Figure 43: Example of a Gatekeeper Cluster
VBAdmin assumption. Configured as follows:
setgk "10.86.129.118:zoneA_GK2, 10.86.129.36:zoneA"
GK1 assumption. 3660, running c3660-ix-mz.124-6.T, configured as follows:
gatekeeper
zone local zoneA cisco.com 10.86.129.36
zone local zoneB_GK1 cisco.com
zone cluster local A_Cluster zoneA
element zoneA_GK2 10.86.129.118 1719
zone cluster local B_Cluster zoneB_GK1
element zoneB 10.86.129.118 1719
zone prefix zoneA 111111* gw-priority 10 gw1-zoneA
zone prefix zoneB_GK1 112233* gw-priority 10 gw2-zoneB
zone prefix zoneA 2222* gw-priority 10 ccm1-zoneA_1
zone prefix zoneB_GK1 3333* gw-priority 10 ccm2-zoneB_1
zone prefix zoneA 5900* gw-priority 10 cvp1-zoneA
zone prefix zoneB_GK1 6900* gw-priority 10 cvp2-zoneB
gw-type-prefix 1#* default-technology
lrq forward-queries
no shutdown
Configuration and Administration Guide for Cisco Unified Customer Voice Portal Release 4.1(1)
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Chapter 14: - Configuring the H.323 Devices and VoIP
Gatekeeper Redundancy