Table 81 – Brocade 6910 Ethernet Access Switch Configuration Guide (Supporting R2.2.0.0) User Manual
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ERPS Commands
This example displays detailed information for the specified ERPS ring.
Console#show erps domain rd1
Domain Name : rd1
Admin Status : Enabled
MEG Level : 1
Node ID : 00-12-CF-61-24-2F
Node State : Idle
West Port : Eth 1/ 1 (Blocking)
East Port : Eth 1/ 2 (Forwarding)
RPL Port : West
RPL Owner : Enabled
Holdoff Timer : 300 ms
Guard Timer : 300 ms
WTR Timer : 5 minutes
Control VLAN : 2
West Port MEP : 2
East Port MEP : 1
Non-ERPS Device Protect : Disabled
Propagate TC : Disabled
Console#
TABLE 81
show erps domain - detailed display description
Field
Description
Domain Name
The ERPS ring name.
Admin Status
Shows if the specified ring is enabled.
MEG Level
The maintenance entity group (MEG) level providing a communication channel for
ring automatic protection switching (R-APS) information.
Node ID
A MAC address unique to this ring node.
Node State
See
West Port
Shows the west ring port for this node, and the interface state:
Blocking – The transmission and reception of traffic is blocked and the forwarding
of R-APS messages is blocked, but the transmission of locally generated R-APS
messages is allowed and the reception of all R-APS messages is allowed.
Forwarding – The transmission and reception of traffic is allowed; transmission,
reception and forwarding of R-APS messages is allowed.
Down – The interface is not linked up.
Unknown – The interface is not in a known state.
East Port
Shows the west ring port for this node, and the interface state as described in the
preceding item.
RPL Port
If node is connected to the RPL, this shows by which interface.
RPL Owner
Shows if this node is the RPL owner.
Holdoff Timer
The hold-off timer interval used to filter out intermittent link faults.
Guard Timer
The guard timer interval used to prevent ring nodes from receiving outdated R-APS
messages.
WTR Timer
The wait-to-restore timer interval used to verify that the ring has stabilized before
blocking the RPL after recovery from a signal failure.
Control VLAN
Shows the ID of the Control VLAN.
West Port MEP
The CFM MEP used to monitor link status on the west port of a ring node