Hi all,I have a switch SG500 28G POE stackable. See my config below in my switch and this is the corect configuration with no issue.interface gigabitethernet1/1/2 description Dlink-SW-GSD-4-IPphones-No5 switchport trunk allowed vlan add 20,440This po...

my switch crashed two times. below details about it.03-Jul-2012 17:29:44 :%SYSLOG-F-OSFATAL:FATAL ERROR: GOAH: ABORT DATA exception***** FATAL ERROR *****SW Version  :  1.2.5.70Version Date:  11-Jun-2012Version Time:  17:35:31Instruction            0...