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xStack® DGS-3620 Series Managed Switch Web UI Reference Guide
One link within a ring will be blocked to avoid Loop (RPL, Ring Protection Link). When the failure happens,
protection switching blocks the failed link and unblocks the RPL. When the failure clears, protection switching
blocks the RPL again and unblocks the link on which the failure is cleared.
G.8032 Terms and Concepts
RPL (Ring Protection Link) – Link designated by mechanism that is blocked during Idle state to prevent loop on
Bridged ring
RPL Owner – Node connected to RPL that blocks traffic on RPL during Idle state and unblocks during Protected
state
R-APS (Ring – Automatic Protection Switching) - Protocol messages defined in Y.1731 and G.8032 used to
coordinate the protection actions over the ring through RAPS VLAN (R-APS Channel).
RAPS VLAN (R-APS Channel) – A separate ring-wide VLAN for transmission of R-APS messages
Protected VLAN – The service traffic VLANs for transmission of normal network traffic
This page is used to enable the ERPS function on the switch.
NOTE: STP and LBD should be disabled on the ring ports before enabling ERPS. The ERPS cannot
be enabled before the R-APS VLAN is created, and ring ports, RPL port, RPL owner, are
configured.
To view the following window, click L2 Features > ERPS Settings, as show below:
The fields that can be configured are described below:
Parameter
ERPS State
ERPS Log
ERPS Trap
R-APS VLAN (1-4094)
Click the Apply button to accept the changes made.
Click the Find button to find a specific entry based on the information entered.
Click the View All button to view all the entries configured.
Click the Delete button to remove the specific entry.
Click the
Detail Information
Click the
Sub-Ring Information
After clicking the
Detail Information
Figure 4-99 ERPS Settings Window
Description
Here the user can enable or disable the ERPS State.
Here the user can enable or disable the ERPS Log.
Here the user can enable or disable the ERPS Trap.
Specifies the VLAN which will be the R-APS VLAN.
link to view detailed information of the R-APS entry.
link to view the Sub-Ring information of the R-APS entry.
link, the following window will appear:
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