Mypower
S4100
Troubleshooting
Maipu Confidential & Proprietary Information
Page
9
of
124
Port Management
Troubleshooting
This
chapter describes the common faults of the port management.
Main co
ntents:
z
Basic idea
of port management troubleshooting
z
Common
port management
troubleshooting
Basic Idea of Port Management
Troubleshooting
1.
An
alyze the
physical
reason:
Checking method: Use the show port command to view whether the
physical signals are all up and check whether the cables are normal and
whether the device is normal; use the show protocol-state command to
view the spanning tree status.
2.
Check the
configuration
and the parameter setting:
Checking method: View the configurations of the two communication sides
are normal.
Common Port Management
Troubleshooting
Fault 1: The ports cannot communicate or learn MAC addresses.