Cabletron Systems SmartSwitch 6000 User Manual page 310

Information Shown on a Bridge Port Status Display
17-16
– identifies the interface type (Ethernet, Token Ring, or frame relay) and
Type/Format
(if frame relay) frame format (Native LLC2, 8025_SRB, or 8023_TB, as configured
in the Port record).
( or
Status Active Inactive
status will be only if the port is "blocked." (See "Blocked Port Flag" on page
Inactive
6-16.)
– can be any of the following. (Note that a Bridge can be in an enabled
Bridge State
state even if the physical port is inactive):
– the Bridge port has been disabled by operator action. The port can
Disabled
leave this state through an operator re-enable or node IPL.
– the Bridge port is transitioning to the
Listening
frames will be received or transmitted, to allow the port to get its status into the
spanning tree algorithm. The port will leave this state when the
timer (described on page 13-5) expires. If the port is selected as
Delay
port, it will enter
Designated
or port, it will enter
Designated
A
Root
port used to reach the root bridge (which is the least-cost bridge in a
link). A
to the root bridge.
– BPDUs ("Hello" messages) are being sent between bridges, and the
Learning
spanning tree algorithm is being updated. The port will leave this state when the
Bridge Forward Delay
selected as
Root
not selected as
Root
– the Bridge port is participating in bridging of frames, as well as
Forwarding
ongoing learning and updating of the spanning tree algorithm. If the algorithm
redesignates the port as non-root or non-designated, the port might enter
state.
Blocking
– the Bridge port has not been selected as
Blocking
transitioning to the
– are the cumulative bytes received/transmitted on the Bridge port.
Rcv/Xmit
) – is the operational state of the underlying physical port. The
Forwarding
Blocking
port is the one selected by the spanning tree algorithm as the
port is the port that connects to the least-cost path
Designated
timer (described on page 13-5) expires. If the port is
or port, it will enter
Designated
or port, it will enter
Designated
state.
Listening
state. Only BPDU
Learning
state. If the port is not selected as
state.
state. If the port is
Forwarding
state.
Blocking
or
Root Designated
FRX/FRM 3.3 User Guide, Rev 04
Bridge Forward
or
Root
Root
, and is