Gateway Redundancy
Gateways also need to be configured with redundancy in case the primary GK or CallManager fails to diminish issues from arising. We cover three ways to accomplish this: Alternate GK, HSRP, and Redundant CallManager.
Alternate Gatekeepers
A GW can be configured with up to two alternate GKs:
Interface FastEthernet0/0Ip address 5.5.5.98 255.255.255.128h323-gateway voip interfaceh323-gateway voip id Gk-Infantry ipaddr 75.75.50.1 1719h323-gateway voip id Gk-Calvary ipaddr 75.75.66.1 1719h323-gateway voip h323-id GW-1
Note
Alternate GK is here because the configuration is done on the GW and not the GK. It can be argued that it can also go in the GK section.
Redundancy to CallManager Clusters
You must configure a dial peer for each ...
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