We are running our 2 S4048 in Layer2 mode, I have a port-channel (port channel 47) setup, interface connected to the core router. If I have the management port plugged in I can ping out, once I unplug it I can't ping out anymore so seems like the uplink port channel is not working. I'm pretty new to this whole switch programming so any suggestions would be appreciated.

interface TenGigabitEthernet 1/47
 no ip address
 mtu 9216
 flowcontrol rx on tx on 
!  
 port-channel-protocol LACP 
  port-channel 47 mode active 
 no shutdown

interface Port-channel 47
 description UPLINK
 no ip address
 mtu 9216
 switchport
 vlt-peer-lag port-channel 47
 no shutdown
!
interface Port-channel 100
 no ip address
 channel-member fortyGigE 1/51,1/53
 no shutdown
!
interface Vlan 1
 description Default
!untagged Port-channel 100

interface Vlan 103
 description Servers
 no ip address
 tagged TenGigabitEthernet 1/13-1/14
 tagged Port-channel 47
 no shutdown
!
interface Vlan 106
 description Servers-10net
 no ip address
 tagged Port-channel 47
 no shutdown
!