User Guide for FibeAir® IP-20 All-Outdoor Products, CeraOS 10.5
Page 160 of 825
Ceragon Proprietary and Confidential
3.7
Configuring Unit Protection with HSB Radio Protection
(External Protection)
This section explains how to configure unit protection, including HSB radio
protection and Ethernet interface protection, and includes the following topics:
•
•
Configuring HSB Radio Protection
•
Configuring 2+2 HSB Protection on an IP-20C or IP-20C-HP Unit
•
Viewing the Configuration of the Standby unit
•
•
Viewing Link and Protection Status and Activity
•
Manually Switching to the Standby Unit
•
Disabling Automatic Switchover to the Standby Unit
•
Note:
For instructions on configuring 1+1 unit protection with Space
Diversity, see
Configuring 1+1 HSB with Space Diversity
on page 168.
3.7.1
Unit Protection Overview
IP-20C, IP-20C-HP, and IP-20S support 1+1 HSB radio protection. IP-20C and
IP-20C-HP also support 2+2 HSB radio protection. In HSB radio protection, one IP-
20 operates in active mode and the other operates in standby mode. If a
protection switchover occurs, the Active unit goes into standby mode and the
Standby unit goes into active mode.
•
For a full explanation of 1+1 HSB radio protection and 2+2 HSB radio
protection support in IP-20C and IP-20C-HP, refer to the IP-20C Technical
Description or the IP-20C-HP Technical Description.
•
For a full explanation of 1+1 HSB radio protection support in IP-20S, refer to
the IP-20S Technical Description.
To configure unit protection, you must perform the following steps:
1 Configure Ethernet interface protection
–
Configuring Ethernet Interface
2 Configure HSB radio protection
–
Configuring HSB Radio Protection
3 For 2+2 HSB configurations (IP-20C and IP-20C-HP only), perform the
Configuring 2+2 HSB Protection on an IP-20C or
3.7.2
Configuring Ethernet Interface Protection
There are two modes for Ethernet interface protection in an HSB radio protection
configuration:
•
Line Protection Mode
–
Traffic is routed to the Ethernet ports via two ports on
an external switch.
•
Split Protection Mode
–
Only available for optical Ethernet ports. An optical
splitter cable is used to connect to both the active and the standby optical
Ethernet ports.