3.5 How to Configure Ethernet Control Ports
Overview
The Base Chassis has two Ethernet control ports that support IEEE 802.3
100BaseTX and 1000BaseT protocols. The control ports are accessible via RJ-45
connectors mounted on the rear panel of the unit.
Figure 3.2 Ethernet Control Port Numbering
The Ethernet control ports are used to connect the unit to a control computer for
control through a web browser or to a control system for control through nCompass
Control (V6.5 onwards).
Ethernet Control Port Parameters
A single IP port is defined for all Ethernet control traffic to and from the chassis. The
physical ports used for Ethernet control are by default the control Ethernet ports.
The control ports can raise an alarm during abnormal operational conditions.
The parameters controlling Ethernet port are as shown in the following table.
Table 3.2 Ethernet Control Port Parameters
Parameter Values Description Comments
Network Mode Same Network
The interface pair is on the same
subnet.
Read only parameter
Different Network
The interface pair is on different
subnet.
IP Redundancy Mode Active-Active
The same traffic is present on both
interfaces all the time.
Read only parameter.
Active-Standby
The secondary interface is active
only if the primary is down.
Autorevert Auto-revert to Primary
Enables auto-revert mode on the
interface group.
Auto-revert to Secondary
Autorevert delay
The time taken to enable an
interface participate in redundancy,
after the interface link is up. If this is
set to 0 then switching happens
immediately.
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