3Com 5500-EI PWR, Reference Manual

Page: 851 / 1314

1-6
Field Description
Left Port : Index = 255,
IsEdge = 0
Right Port : Index = 25,
IsEdge = 0
Indexes of the left and right ports:
z
IsEdge: Whether the device is at either end of a bus topology
XRN fabric in which the number of member devices has reached
the upper limit.
z
0: No
z
1: Yes
Units Num Left : 1
Units Num Right : 2
Number of units (both directly-connected and subtending units)
connected to the port, including the device itself.
z
1: The left port has no connected unit
z
2: The right port connects to one unit
Units Num Backup: 2 Total number of units in a fabric
# Display the topology database information of the current fabric.
<Sysname> display ftm topology-database
Total number of units in fabric : 8, My Unit ID : 4
UID CPU-Mac Priority Fabric-Port Board-ID A/M
1 000f-e20f-5002 10 Left/Right 1 A
2 000f-e20f-5132 10 Left/Right 1 A
3 000f-e20f-5252 10 Left/Right 1 A
*4 000f-cbb7-3264 5 Left/Right 1 M
5 000f-cbb7-2142 10 Left/Right 1 A
6 000f-e20f-8922 10 Left/Right 1 A
7 000f-cbb7-2260 10 Left/Right 1 A
8 000f-cbb7-2734 10 Left/Right 1 A
Table 1-2 display ftm topology-database command output description
Field Description
UID Unit ID
Priority
Priority value:
z
10 means the switch adopts automatic numbering
z
5 means the switch adopts manual numbering
Manual numbering has a higher priority than automatic
numbering.
Fabric-Port
Fabric port
z
In a ring topology structure, the left and right ports of all units
are connected, and are displayed as Left/Right.
z
In a bus topology structure, the units at both ends of the bus
have only one fabric port connected, displayed as Left/ or
/Right.
A/M
Indicates that the switch adopts automatic numbering or manual
numbering:
z
A for automatic
z
M for manual