Cisco Cisco TelePresence Video Communication Server Expressway 관리 매뉴얼
n
Peers share their bandwidth usage information with all other peers in the cluster, so when one peer is
consuming part or all of the bandwidth available within or from a particular subzone, or on a particular pipe,
this bandwidth will not be available for other peers.
consuming part or all of the bandwidth available within or from a particular subzone, or on a particular pipe,
this bandwidth will not be available for other peers.
section.
Cluster upgrades, backup and restore
Upgrading a cluster
.
Backing up a cluster
The backup process saves all configuration information for the cluster, regardless of the VCS used to make
the backup.
the backup.
Restoring a cluster
You cannot restore data to a VCS that is a part of a cluster.
To restore previously backed up cluster configuration data you must follow this process:
1. Remove the VCS peer from the cluster so that it becomes a standalone VCS.
2. Restore the configuration data to the standalone VCS.
3. Build a new cluster using the VCS that now has the restored data.
for more information about adding and removing cluster peers.
Clustering and Presence
Clustering supports the use of Presence.
n
All peers in the cluster must have identical SIP domain, Presence Server and Presence User Agent (PUA)
configuration.
configuration.
n
If peers in the cluster have the PUA enabled, each peer publishes information about its own local
registrations. This information is routed to a Presence Server authoritative for the cluster’s domain.
registrations. This information is routed to a Presence Server authoritative for the cluster’s domain.
n
If peers have the Presence Server enabled, the Presence database is replicated across all peers in the
cluster.
cluster.
When viewing presence status on a peer in a cluster:
n
Publishers shows all presentities across the cluster for whom presence information is being published.
n
Presentities shows any presentity for whom a subscription request has been received on the local VCS
only.
only.
n
Subscribers shows each endpoint from which a subscription request has been received on the local VCS
only.
only.
Cisco TelePresence Video Communication Server Administrator Guide (X8.5.1)
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Clustering and peers
Managing clusters and peers