C
HAPTER
35
| ERPS Commands
– 1121 –
This example displays detailed information for the specified ERPS ring.
Console#show erps domain rd1
Domain ID Enabled Ver MEL Ctrl VLAN State Type Revertive
------------ --- ------- --- --- --------- ---------- ------------ ---------
r&d 1 Yes 2 1 1 Idle RPL Owner Yes
Major Domain Node ID R-APS With VC
------------ ----------------- -------------
00-E0-0C-00-00-FD Yes
R-APS Def MAC Propagate TC Non-ERPS Device Protect
------------- ------------ -----------------------
Yes No No
Holdoff Guard WTB WTR WTB Expire WTR Expire
-------- ------- ------- ------- ---------- ----------
0 ms 500 ms 5500 ms 5 min
W/E Interface Port State Local SF Local FS Local MS MEP RPL
---- --------- ---------- -------- -------- -------- ---- ---
West Eth 1/ 1 Blocking No No No Yes
East Eth 1/ 3 Forwarding No No No No
Console#
Table 130 on page 1120 describes most of the parameters shown by show
erps domain command. The following table includes the remaining
parameters.
Table 131: show erps domain - detailed display description
Field Description
Major Domain Name of the ERPS major domain.
Node ID A MAC address unique to this ring node.
R-APS with VC The R-APS Virtual Channel is the R-APS channel connection used
to tunnel R-APS messages between two interconnection nodes of
a sub-ring in another Ethernet ring or network.
R-APS Def MAC Indicates if the switch’s MAC address is used to identify the node
in R-APS messages.
Propagate TC Shows if the ring is configured to propagate topology change
notification messages.
Non-ERPS Device Protect Shows if the RPL owner node is configured to send non-standard
health-check packets when it enters protection state without any
link down event having been detected through SF messages
Holdoff The hold-off timer interval used to filter out intermittent link
faults.
Guard The guard timer interval used to prevent ring nodes from
receiving outdated R-APS messages.
WTB The wait-to-block timer interval used to delay reversion after a
Forced Switch or Manual Switch has been cleared.
WTR The wait-to-restore timer interval used to verify that the ring has
stabilized before blocking the RPL after recovery from a signal
failure.
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