Table of Contents
Advertisement
Chapter 7 WAN Setup
7.8.2.3 STP Port States
STP assigns five port states (see next table) to eliminate packet looping. A bridge
port is not allowed to go directly from blocking state to forwarding state so as to
eliminate transient loops.
Table 60 STP Port States
PORT
STATES
Disabled
Blocking
Listening
Learning
Forwarding
134
DESCRIPTIONS
STP is disabled (default).
Only configuration and management BPDUs are received and processed.
All BPDUs are received and processed.
All BPDUs are received and processed. Information frames are
submitted to the learning process but not forwarded.
All BPDUs are received and processed. All information frames are
received and forwarded.
P-794H User's Guide
Advertisement
Table of Contents
