Chapter 4: Troubleshooting
4-8
6H123-50 and 6H133-37 User’s Guide
4.4
USING THE RESET BUTTON
The RESET button, located near the upper plastic locking tab of the
module, (refer to
Figure 4-3
) resets the 6H123-50 and 6H133-37
processor.
Cannot contact the
6H123-50 or
6H133-37 from
in-band
management.
Improper Community
Names Table.
Refer to
Section 5.16
for Community Names Table
setup.
6H123-50 or 6H133-37
does not have an IP
address.
Refer to
Section 5.15.1
for IP
address assignment
procedure.
Port is disabled.
Enable port.
No link to device.
Check link to device.
Port(s) goes into
standby for no
apparent reason.
6H133-37 or 6H123-50
detects a looped
condition.
1. Review network design
and delete unnecessary
loops.
2. Call the Cabletron
Systems Global Call
Center if problem
continues.
User parameters (IP
address, Device and
Module name, etc.)
are lost when the
6E133-49 or
6E123-50 is
powered down.
Mode switch (7), NVRAM
Reset, was changed
sometime before cycling
power causing the
user-entered parameters
to reset to factory default
settings.
1. Reenter the lost
parameters as
necessary.
2. Call the Cabletron
Systems Global Call
Center if problem
continues.
!
CAUTION
Pressing the RESET button resets the device and all current
switching being performed by the device is halted. A network
downtime of up to two minutes results from this action.
Table 4-4
Troubleshooting Checklist (Continued)
Problem
Possible Cause
Recommended Action
Summary of Contents for 6H123-50
Page 2: ......
Page 8: ...Notice vi 6H123 50 and 6H133 37 User s Guide ...
Page 14: ...Contents xii 6H123 50 and 6H133 37 User s Guide ...
Page 28: ...Chapter 1 Introduction 1 14 6H123 50 and 6H133 37 User s Guide ...
Page 50: ...Chapter 4 Troubleshooting 4 10 6H123 50 and 6H133 37 User s Guide ...
Page 186: ...Appendix A Specifications A 4 6H123 50 and 6H133 37 User s Guide ...
Page 204: ...Index Index 6 6H123 50 and 6H133 37 User s Guide ...