Cabletron Systems 2208 User Manual
Page 43
Troubleshooting Checklist
2H22-08R SmartSwitch 2208 User’s Guide
Page 4-5
Port(s) goes into
standby for no
apparent reason.
2H22-08R detects a looped
condition.
Review network design and
delete unnecessary loops.
User parameters
(IP address,
Device and
Module name,
etc.) are lost when
the 2H22-08R is
powered down or
the front panel
RESET button is
pressed.
Mode switch (7), NVRAM
Reset, was changed
sometime before either
cycling power or pressing
the RESET button, causing
the user-entered
parameters to reset to
factory default settings.
Clear NVRAM was set
through Local Management.
Reenter the lost parameters
as necessary. Call
Cabletron Systems Global
Call Center if problem
continues.
Table 4-4
Troubleshooting Checklist (Continued)
Problem
Possible Cause
Recommended Action
- 2E42-27R (164 pages)
- 6H122-16 (158 pages)
- 24 (35 pages)
- 9T427-16 (16 pages)
- bridges (132 pages)
- CSX200 (88 pages)
- SM-CSI1076 (69 pages)
- SEHI-22 (93 pages)
- 9T425-16 (40 pages)
- 6000 (180 pages)
- 1800 (448 pages)
- ESX-1380 (86 pages)
- DLE23-MA (202 pages)
- 2E43-51 (168 pages)
- 5000 (83 pages)
- 6H253-13 (62 pages)
- Lancast Media Converter 7000 (108 pages)
- SmartCell 6A000 (102 pages)
- 9G421-02 (12 pages)
- SEH-22 (56 pages)
- 9A000 (180 pages)
- SEH-24 (64 pages)
- 6E123-26 (184 pages)
- STS16-20R (258 pages)
- 2E43-27 (164 pages)
- Cabletron MicroLAN 9E132-15 (36 pages)
- 9F120-08 (28 pages)
- 9E428-36 (18 pages)
- Device Management Module Dec GigaSwitch (65 pages)
- ELS10-26TX (18 pages)
- MICROMMAC-22T (105 pages)
- CSX1200 (644 pages)
- 7H02-06 (36 pages)
- 150 (106 pages)
- 9F206-02 (10 pages)
- MMAC-Plus 9T122-24 (27 pages)
- SEH100TX-22 (52 pages)
- 7C03 MMAC (16 pages)
- 2H253-25R (64 pages)
- TRXI-42 (92 pages)
- 7C04 (150 pages)
- 2H22 (120 pages)
- 2000 (196 pages)
- 7C04 Workgroup (25 pages)