GS-5220-Series (V4) User Manual

Table Of Contents
Users Manual of GS-5220 PoE Series Managed Switch
401
4.8.3 Ethernet Ring Protocol Switch
The Ethernet Ring Protection Switch instances are configured here; screen in Figure 4-8-3 appears.
Figure 4-8-3: Ethernet Ring Protocol Switch page screenshot
The page includes the following fields:
Object Description
Delete
This box is used to mark an ERPS for deletion in next Save operation.
Port 0
This will create a Port 0 of the switch in the ring.
Port 1
This will create "Port 1" of the switch in the Ring. As interconnected sub-ring will
have only one ring port, "Port 1" is configured as "0" for interconnected sub-ring.
"0" in this field indicates that no "Port 1" is associated with this instance
Port 0 SF MEP
The Port 0 Signal Fail reporting MEP.
Port 1 SF MEP
The Port 1 Signal Fail reporting MEP. As only one SF MEP is associated with
interconnected sub-ring without virtual channel, it is configured as "0" for such
ring instances. "0" in this field indicates that no Port 1 SF MEP is associated with
this instance.
Port 0 APS MEP
The Port 0 APS PDU handling MEP.
Port 1 APS MEP
The Port 1 APS PDU handling MEP. As only one APS MEP is associated with
interconnected sub-ring without virtual channel, it is configured as "0" for such
ring instances. "0" in this field indicates that no Port 1 APS MEP is associated
with this instance.
Ring Type
Type of Protecting ring. It can be either major ring or sub-ring.
Major Ring ID
Major ring group ID for the interconnected sub-ring. It is used to send topology
change updates on major ring. If ring is major, this value is same as the
protection group ID of this ring.
Alarm
There is an active alarm on the ERPS.