i have simplified my config and merge the two portchannel. and it works. i will move to mst later 
hi  i have a problem with my powerconnect 8164F with 6.1.0.1 version  i create the vlan 643 then i create an interface vlan interface vlan 643ip address 172.24.64.2 255.255.240.0exit  put when i ping this ip from the switch ping 172.24.64.2 Pinging 172.24.64.2 with 0 bytes of data: 4 packets transmitted, 0 packets received, 100% packet lossround-trip (msec) min/avg/max = <10/<10/<10  in the log i have the following line <173> Jun 11 14:39:29 172.16.8.100-2 TRAPMGR[1206213340]: traputil.c(697) 1604 %% Link on Vl643 is failed show ip interface vlan 643 Routing interface status....................... DownPrimary IP Address............................. 172.24.64.2/255.255.240.0Method......................................... ManualRouting Mode................................... EnableAdministrative Mode............................ EnableForward Net Directed Broadcasts................ DisableProxy ARP...................................... EnableLocal Proxy ARP................................ DisableActive State................................... InactiveMAC Address.................................... D067.E595.0B1AEncapsulation Type............................. EthernetIP MTU......................................... 1500Bandwidth...................................... 10000 kbpsDestination Unreachables....................... EnabledICMP Redirects................................. Enabled   that really puzzling me
problems addin vlan interface