Alcatel Carrier Internetworking Solutions Omni Switch/Router User Manual
Page 485
Configuring Fast Spanning Tree
Page 17-37
Role.
The port’s current role as defined by application of the fast spanning tree protocol. The
Role
values include:
DISABLED
The port has been disabled.
ROOT
The Root Port on a Bridge has the best path to the Root Bridge, and
connects the Bridge to the Root Bridge.
DESIGNATED
The Designated Port on a Bridge provides an attached
LAN
the best path
to the Root Bridge, and connects the
LAN
through the Bridge to the Root
Bridge, forwarding frames between them. (A Designated Port can be in a
Listening, Learning, Forwards, Forwarder, or Forwarding state.)
ALTERNATE
The Alternate Port is connected to a
LAN
with another bridge
functioning as the Designated Bridge. (An Alternate Port may be in either
a Forgetting state or a Blocking state.)
BACKUP
The Backup Port is connected to a
LAN
with another port on the same
Bridge functioning as the Designated Port. (Backup Ports are always in a
Blocking state.)
Frwds.
This counter records each instance when the port is in the Forwards state.
Frwdr.
This counter records each instance when the port is in the Forwarder state.
Frget.
This counter records each instance when the port is in the Forgetting state.
RPs.
This counter records each instance when the Root Port is retired.
PPs.
This counter records each instance when the Primary Port is retired.
Link Ups.
This counter records each instance when the port is linked up.
Primary Port Slot Intf.
The slot and interface (port) number of the Primary Port.
Primary Port Service Inst.
The service type and instance of the service connected to the
Primary Port.