Question about 3Com SuperStack 3 4400 (3C17204-US) 48x10/100 Mbps Networking Switch

2 Answers

Problem with SW 4400 - restarting....

Hi good morning!!

My name is Rogério and im from Brasil, i work wth a company with any models like 4400 (3com), here we have a rebooting form Switch`s in a stack and they are restarting without explanation randomly, for example sw 2 and 4 of stack 2 restarts, somebody knows why?, the model of sw is a 3com 4400. I want know how can i make a good configuration make a revision in actual informations im that network.


Thanks!!!

Posted by on

  • roliver Jun 05, 2008

    Hi Computeasr Aid!!

    Im my case i have problem with a stack in 2 units in same time, and own problem have relation in some cases in one unit or in another (same time) and later the entire stack gone down, i want know how can i analize this case better because here in this network the environment is dangerous to handle, be careful in use.

    I have a Director (3com tool) and i can understand the displays about the error completly, can explain me better ?


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2 Answers

Make sure the switch firmware is the latest version - early versions of firmware contain more bugs and cause strange problems. For 1100/3300 switch family, firmware before 2.69 caused packet corruption on our network.

Posted on Oct 16, 2008

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  • 25 Answers

Switch dont restart by themselves without command, first remove the switch from the network, disconnect from internet, make sure you hadn't fired anybody recently it sounds like a hack. reduce network traffic to local area only and priortise important internet traffic. now got back to the switch and troubleshoot make to check the reboot command on error or when error is found, if the problem stops when the switch is remove somebody is messing with the network.or the darn switch is faulty install a new one.

Posted on Jun 03, 2008

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Posted on Jan 02, 2017

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Random reboot of 3com 4400 stack Can you help, please? I have a 3Com 4400 stack running the latest version v6.13S. The stack sometimes reboots randomly. The logs showed the following: Unit 1 Watchdog handler is RESET The History Log Id No S/W Rel Reason UpTime SysErr 42 42 6.13s S/W Watchdog (r) 17 Hrs 42 Mins 52 Secs Uptime Hours 16828 Reset 41 43 43 6.13s S/W Watchdog (r) 0 Hrs 51 Mins 14 Secs Uptime Hours 16828 Reset 42 44 44 6.13s S/W Watchdog (r) 0 Hrs 47 Mins 54 Secs Uptime Hours 16828 Reset 43 45 45 6.13s S/W Watchdog (r) 0 Hrs 32 Mins 15 Secs Uptime Hours 16828 Reset 44 46 46 6.13s S/W Watchdog (r) 0 Hrs 18 Mins 48 Secs Uptime Hours 16828 Reset 45 47 47 6.13s S/W Watchdog (r) 0 Hrs 33 Mins 59 Secs Uptime Hours 16828 Reset 46 48 48 6.13s S/W Watchdog (r) 1 Hrs 9 Mins 57 Secs Uptime Hours 16829 Reset 47 49 49 6.13s S/W Watchdog (r) 0 Hrs 59 Mins 28 Secs Uptime Hours 16829 Reset 48 50 50 6.13s S/W Watchdog (r) 0 Hrs 42 Mins 37 Secs Uptime Hours 16829 Reset 49 51 51 6.13s S/W Watchdog (r) 20 Hrs 17 Mins 57 Secs Uptime Hours 16849 Reset 50 52 52 6.13s S/W Watchdog (r) 0 Hrs 5 Mins 19 Secs Uptime Hours 16849 Reset 51 53 53 6.13s S/W Watchdog (r) 0 Hrs 55 Mins 15 Secs Uptime Hours 16849 Reset 52 54 54 6.13s S/W Watchdog (r) 0 Hrs 37 Mins 23 Secs Uptime Hours 16849 Reset 53 55 55 6.13s S/W Watchdog (r) 1 Hrs 26 Mins 17 Secs Uptime Hours 16850 Reset 54 56 56 6.13s S/W Watchdog (r) 1 Hrs 42 Mins 12 Secs Uptime Hours 16851 Reset 55 57 57 6.13s S/W Watchdog (r) 17 Hrs 26 Mins 34 Secs Uptime Hours 16868 Reset 56 Assertions : Id S/W Rel File Name Line 5 3.00 agg_sma.c 1215 6 3.00 agg_sma.c 1215 7 3.00 agg_sma.c 1215 8 3.00 agg_sma.c 1215 9 3.00 agg_sma.c 1215 10 3.00 agg_sma.c 1215 14 3.00 agg_sma.c 1215 Last System Error Data: ID (57) S/W Rel (6.13s) Reason (S/W Watchdog) Unit 2 Watchdog handler is RESET The History Log Id No S/W Rel Reason UpTime SysErr 236 236 6.13s S/W Watchdog (r) 0 Hrs 10 Mins 55 Secs Uptime Hours 48145 Reset 235 237 237 6.13s S/W Watchdog (r) 2 Hrs 2 Mins 20 Secs Uptime Hours 48147 Reset 236 238 238 6.13s S/W Watchdog (r) 0 Hrs 29 Mins 15 Secs Uptime Hours 48147 Reset 237 239 239 6.13s Power (r) 2 Hrs 0 Mins 0 Secs Uptime Hours 48149 Reset 238 240 240 6.13s S/W Watchdog (r) 17 Hrs 5 Mins 9 Secs Uptime Hours 48166 Reset 239 241 241 6.13s S/W Watchdog (r) 2 Hrs 55 Mins 1 Secs Uptime Hours 48168 Reset 240 242 242 6.13s Power (r) 3 Hrs 0 Mins 0 Secs Uptime Hours 48171 Reset 241 243 243 6.13s S/W Watchdog (r) 91 Hrs 47 Mins 28 Secs Uptime Hours 48262 Reset 242 244 244 6.13s S/W Watchdog (r) 45 Hrs 25 Mins 25 Secs Uptime Hours 48307 Reset 243 245 245 6.13s S/W Watchdog (r) 4 Hrs 29 Mins 38 Secs Uptime Hours 48311 Reset 244 246 246 6.13s S/W Watchdog (r) 117 Hrs 3 Mins 10 Secs Uptime Hours 48428 Reset 245 247 247 6.13s S/W Watchdog (r) 0 Hrs 32 Mins 9 Secs Uptime Hours 48428 Reset 246 248 248 6.13s S/W Watchdog (r) 3 Hrs 11 Mins 54 Secs Uptime Hours 48431 Reset 247 249 249 6.13s S/W Watchdog (r) 20 Hrs 52 Mins 50 Secs Uptime Hours 48451 Reset 248 250 250 6.13s S/W Watchdog (r) 3 Hrs 5 Mins 37 Secs Uptime Hours 48454 Reset 249 251 251 6.13s S/W Watchdog (r) 1 Hrs 42 Mins 13 Secs Uptime Hours 48455 Reset 250 Assertions : Id S/W Rel File Name Line 129 6.10s lazy_ack.c 890 137 6.10s poller.cc 1104 138 6.10s poller.cc 1104 152 6.10s lazy_ack.c 890 158 6.10s lazy_ack.c 890 159 6.10s lazy_ack.c 890 169 6.10s lazy_ack.c 890 170 6.10s lazy_ack.c 890 173 6.10s lazy_ack.c 890 175 6.10s lazy_ack.c 890 187 6.10s lazy_ack.c 890 191 6.10s lazy_ack.c 890 199 6.10s lazy_ack.c 890 208 6.13s lazy_ack.c 890 209 6.13s lazy_ack.c 890 225 6.13s lazy_ack.c 890 Last System Error Data: ID (251) S/W Rel (6.13s) Reason (S/W Watchdog)

May 14, 2009 | 3Com SuperStack 3 4400 (3C17204-US)...

3Com SuperStack 3 4400 (3C17204-US) 48x10/100 Mbps Networking Switch Logo

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