Firmware update for MES23xx,MES33xx, MES35xx, MES5324. Version 4.0.27.1

Firmware Version: 4.0.27.1

• Fixed an error that caused the MSTP topology to collapse and mismatch on the stack when NSF was enabled;
• Fixed an error that causes the stack to hang when transferring IP from one interface to another;
• Fixed an error leading to a reboot when transferring files via the vsftpd server;
• Fixed an error that caused traffic to not be transmitted on the odd ports of the MES2348B and MES3348 devices at 10 Mbps speed.