Bme Alarms; Oam Cells; Ais Cells; Figure 28-2 Oam Cells - Cisco BPX-BXM-155-8DX Installation And Configuration Manual

BME Alarms

BME Alarms

OAM cells

OAM cells coming into the root are multicast into the leaves along with data, as shown in Figure 28-2.

Figure 28-2 OAM Cells

root

AIS cells

AIS cells are automatically generated on the leaves, as shown in Figure 28-3, when:
•
•
•

Figure 28-3 Alarms

Cisco BPX 8600 Series Installation and Configuration
28-14
BPX Switch 1
There is a loss of signal (LOS) on the far end of the root.
There is a trunk failure.
When the root connection is downed using the dncon command.
LOS or
root down
root
BPX Switch 1
OAM cells
OAM cells
BPX Switch 2
Trunk
failure
BPX Switch 2
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
Chapter 28 Alarms and Statistics
leaf 1
leaf 2
BPX Switch 3
AIS cells
AIS cells
BPX Switch 3
leaf 1
leaf 2