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| SMSEagle MHD-8100
| User’s Manual
In the cluster you have one MASTER device and one BACKUP device.
HA-cluster is accessed via Virtual IP
address
. When the daemon running at MASTER device detects failure of at least one described feature, it
immediately automatically switches cluster's IP assignment to the BACKUP device (node) providing
continuous usage of the SMSEagle HA-cluster for the user.
Devices (nodes) should see each other on the network. By default, HA-nodes use 224.0.0.18 multicast IP
address for VRRP (Virtual Router Redundancy Protocol) for communication between two nodes. If nodes are
on the same network (same subnet & IP range) there is no need for any network configuration. If two nodes
are behind firewalls, make sure firewall is configured to accept multicast and VRRP protocol (IP Protocol
#112).
HOW TO CONFIGURE FAILOVER (HA-CLUSTER):
Failover cluster can be easily configured using web-gui. Configuration can be done in menu “Settings” > tab
“Failover”. For
each
device in failover cluster:
•
enter virtual IP address in the field “Virtual IP Address”
•
enter Master and Backup IP addresses (these should be physical addresses of your devices)
•
set “Enable Failover cluster” to “Yes”
•
optionally you can enable database replication between nodes (feature available only in devices
with hardware Rev.2 and higher)
Save
configuration.
Reboot
each device after saving. The configuration should be exactly the same on both
devices in HA-cluster.
Summary of Contents for MHD-8100-3G
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