Cambium Networks PTP 820 Series User Manual page 125

Chapter 2: Getting Started
2. Change the IP address of the active remote unit.
3. Disable all active traffic interfaces on the active remote unit. This should be performed in a single action
by selecting all of the relevant interfaces in the Interface Manager page and selecting Down > Apply in
the Multiple Selection Operation box. See
switchover on the remote pair.
4. Disable unit redundancy in the active unit of the local pair. The link remains up and no switchover takes
place.
5. Change the IP address of the active local unit.
6. Disable all active traffic interfaces on the active local unit. This should be performed in a single action by
selecting all of the relevant interfaces in the Interface Manager page and selecting Down > Apply in the
Multiple Selection Operation box. See
on the local pair.
7. Disable unit redundancy on the both the remote and the local units that were the standby units and have
now become the active units.
Note
On some occasions, in links with TDM traffic, if you disable unit redundancy then re-enable unit
redundancy later, a TDM-LIC configuration mismatch alarm may be raised (Alarm ID 2002). If this
happens, you must reset the unit with the alarm, then perform copy-to-mate.
Configuring Unit Redundancy for the PTP 820G
Enabling the Interfaces (Interface
Enabling the Interfaces (Interface
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Manager). This causes
Manager). This causes switchover