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Industrial Managed
Ethernet Switch – EH9711
User Manual
Page
170
of
223
3.3
ERPS
ERPS is an abbreviation for Ethernet Ring Protection Switching defined in ITU/T G.8032. It provides fast protection and
recovery switching for Ethernet traffic in a ring topology while also ensuring that the Ethernet layer remains loop-free. This
ERPS webpage reports the current status of ERPS instances on the managed switch as shown in Figure 3.17.
Figure 3.17 Webpage to ERPS Status
Table 3.11 Description of ERPS Status
Figure 3.18 shows detailed status of the EPRS where the parameters and commands are described in Table 3.12
Label
Description
ERPS
The ID of the ERPS. Click on link to get to ERPS instance page, you can reset counters and issue
commands.
Oper
The operational state of ERPS instance.
: Active.
: Disabled or Internal error.
Warning
Operational warnings of ERPS instance.
: No warnings.
: There are warnings, use tooltip to see.
State
Specifies protection/node state of ERPS.
TxRapsActive
Specifies whether we are currently supposed to be transmitting R-APS PDUs on our ring ports.
cFOPTo
Failure of Protocol - R-APS Rx Time Out.
Tx Info
UpdateTimeSecs
Time in seconds since boot that this structure was last updated.
Request
Request/state according to G.8032, table 10-3.
Version
Version of received/used R-APS Protocol. 0 means v1, 1 means v2, etc.
Rb
RB (RPL blocked) bit of R-APS info. See Figure 10-3 of G.8032.
Dnf
DNF (Do Not Flush) bit of R-APS info. See Figure 10-3 of G.8032."
Bpr
BPR (Blocked Port Reference) of R-APS info. See Figure 10-3 of G.8032.
Node Id
Node ID of this request.
SMAC
The Source MAC address used in the request/state.