I have to Dell switches running OS 10 and VLTi domain is fine also running VLT port channels with upstream switches but when I am configuring the VLT port-channel to server then it's not working and going in (I) state. Need help, please.

#### Dell Sw1 ######

interface port-channel 10
vlt-port-channel 10
switchport mode trunk
switchport trunk allowed vlan 10-20
exit

interface ethernet 1/1/13
switchport mode trunk
switchport trunk allowed vlan 10-20
channel-group 10 mode active
!

#### Dell Sw2 ######

interface port-channel 10
vlt-port-channel 10
switchport mode trunk
switchport trunk allowed vlan 10-20
exit

interface ethernet 1/1/13
switchport mode trunk
switchport trunk allowed vlan 10-20
channel-group 10 mode active
!