Bme Alarms; Oam Cells; Ais Cells; Figure 27-2 Oam Cells - Cisco BPX 8620 Installation And Configuration Manual

Chapter 27 Alarms and Statistics
Message
"Port does not support virtual trunking"
"Mismatched virtual trunk configuration"
"Maximum trunks for card has been reached"

BME Alarms

OAM cells

OAM cells coming into the root are multicast into the leaves along with data as shown in Figure 27-2.

Figure 27-2 OAM Cells

root

AIS cells

AIS cells are automatically generated on the leaves, as shown in Figure 27-3, when:
•
•
•

Figure 27-3 Alarms

Release 9.3.30, Part Number 78-12907-01 Rev. E0, May 2005
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
Description
Port is not configured for virtual trunks
Ends of virtual trunk have different configuration
The trunk card is out of VIs
OAM cells
OAM cells
BPX Switch 2
Trunk
failure
BPX Switch 2
Cisco BPX 8600 Series Installation and Configuration
leaf 1
leaf 2
BPX Switch 3
AIS cells
AIS cells
BPX Switch 3
BME Alarms
leaf 1
leaf 2
27-13