Version 6.8 407 Mediant 2600 E-SBC
User's Manual 25. HA Configuration
25 HA Configuration
This section describes the configuration of the HA system.
25.1 Initial HA Configuration
By default, HA is disabled on the device. When a device is loaded with valid HA
configuration and it is the first device to be loaded, it becomes the active device. The
second device that is loaded with HA configuration becomes the redundant (standby)
device.
25.1.1 Network Topology Types and Rx/Tx Ethernet Port Group
Settings
The initial configuration of HA depends on how you want to deploy your HA system in the
network. The Maintenance Interface, used for the HA link between Active and Redundant
units, should be configured on a dedicated Ethernet Port Group, separate from the other
interfaces. The separation of the Maintenance interface from other interfaces must also be
done externally to the units, either by physical separation (i.e., different physical networks)
or by logical separation (using VLANs). When using VLANs for this separation, make sure
that you define a different Native VLAN ID (see Configuring Physical Ethernet Ports on
page 105) than the VLAN ID (see Configuring Underlying Ethernet Devices on page 110),
associated with each network interface (see Configuring IP Network Interfaces on page
112).
Note:
If the same Native VLAN ID and VLAN ID are configured for a network
interface, the
device sends the packets untagged. This may result in no logical
separation of traffic.
For Geographical HA (both units are located far from each other), 2Rx/1Tx port mode
connected to a port aggregation switch is the recommended option:
Figure 25-1: Rx/Tx Mode for Geographical HA
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