Firmware Version : 184.108.40.206 Firmware MD5 Checksum : PID VID : Boot Version : 220.127.116.11 Boot MD5 Checksum : Locale : en-US Language Version : 18.104.22.168 Language MD5 Checksum : N/A Logs are normal as far as I can tell, below is a clip: 2147483428 2011-Nov-24 14:25:20 Warning %STP-W-PORTSTATUS: gi31: STP status Forwarding 2147483429 2011-Nov-24 14:25:16 Informational %LINK-I-Up: gi31 2147483430 2011-Nov-24 14:23:47 Warning %LINK-W-Down: gi31 2147483431 2011-Nov-24 10:15:01 Warning %STP-W-PORTSTATUS: gi5: STP status Forwarding, aggregated (1) 2147483432 2011-Nov-24 10:14:56 Informational %LINK-I-Up: gi5, aggregated (1) 2147483433 2011-Nov-24 10:14:53 Warning %LINK-W-Down: gi5, aggregated (1) 2147483434 2011-Nov-24 10:12:03 Warning %STP-W-PORTSTATUS: gi5: STP status Forwarding 2147483435 2011-Nov-24 10:11:58 Informational %LINK-I-Up: gi5 2147483436 2011-Nov-24 10:11:53 Warning %LINK-W-Down: gi5 I have not removed the devices from the switch except for one. I am planning on doing that this weekend. It is not a new deployment. I inherited this network approximately 2 months ago and I noticed it on my first day. Also everything is configured with defaults. No VLANs, nothing....
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I have 4 of these switches and all lights are blinking extremely fast and in sync, even on the server nic cards. I do not have access to SSH nor the Console (UGH!). I have unplugged all 4 at the same time and plugged just one back in and it did the same thing. So I uplugged it again and plugged one other in, trying to isolate a physical loop. In doing this troubleshooting, I found that each switch does the same thing whether any other switch is plugged in. This does not make sense to me. How could each one do it if no other switches are plugged in. I ran wireshark and I do see some a couple TCP Spurious Transmissions and TCP Dup ACK. There is some broadcasts but does not look out of the ordinary as I do have a WINS server and couple xp embedded boxes that have to stay. So I do not really see a broadcast or multicast storm. I have gone around the building and did find a couple 4 port switches plugged in but verified they were not causing the loop. I have looked in settings of the switch and my new dell laptop and our hp conference room laptop show up in the LLDP table with a TTL of around 3400, while all the uplink ports are around 90. The only other item that is plugged into a switch is a cisco wireless controller for our two APs, which are cisco as well. That is all i can think of to do. Anyone have any ideas?? Thank you in Advance!!!!
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