3Com 4210 Release Notes page 28

Switch 4210 V3.01.09 Release Notes
Description:
Port A still sends loopback detection packet to neighbor when global loopback detection is disabled.
LSOD06981
First found-in version: V3.01.05
Condition:
The device receives LACP protocol packet that not conform to the Protocol stipulated (124 bytes).
Description:
LACP protocol Packets are discarded because packets' length check failed, and so bring on
aggregate failed.
LSOD07147
First found-in version: V3.01.05
Condition:
Disable loopback detection globally on device, and enable loopback detection on port A. A loop exists
on port A.
Description:
The device still sends traps that there is a loop on port A, while correctly it should not send the trap.
LSOD07375
First found-in version: V3.01.05
Condition:
Send UDP packets whose destination port is 1645 or 1646 to the device.
Description:
Each UDP packet will cause 32 bytes memory leak.
LSOD07479
First found-in version: V3.01.05
Condition:
To disable and then enable device's STP periodically, and the network topology changed frequently.
Description:
The device may reboot without exception information.
LSOD07571
First found-in version: V3.01.05
Condition:
February 27, 2009 Page 28 of 43