Ether-channel between Catalyst 4500 and Nexus switch

[haytham elsamadony]

I have a 2 core switch catalyst 4500 connected to Nexus switch by Ether-channel and the gateways for VLANs created on the Nexus switch

now the end-user which connected at Catalyst 4500 can`t access to other users at other VLANs and also can`t  ping  their VLAN gateway 

I don`t have access to the Nexus switch, only Catalyst, so if any show commands from Catalyst 4500 side can help me to troubleshoot this issue or at least tell me where the problem and if the configuration from my side is correct 

the o/p of sh run 

!
interface Port-channel6
description #Connected to nexus#
switchport
switchport mode trunk
!

interface TenGigabitEthernet1/2/3
description #Connected to Leaf 101 - e1/5#
switchport mode trunk
channel-group 6 mode on
!
interface TenGigabitEthernet1/2/4
description #Connected to Leaf 102 - e1/5#
switchport mode trunk
channel-group 6 mode on
!

interface TenGigabitEthernet2/2/3
description #Connected to Leaf 101 - e1/6#
switchport mode trunk
channel-group 6 mode on
!
interface TenGigabitEthernet2/2/4
description #Connected to Leaf 102 - e1/6#
switchport mode trunk
channel-group 6 mode on
!

[omz]

Check Nexus port-channel mode is also set to on. 

Correct vlans are allowed over the trunk.

Catalyst - 

sh etherchannel summary

sh interface trunk

Nexus - 

sh port-channel summary

sh interface trunk

[paul driver]

Hello

Is the port-channel up
sh etherchannel-port-channel
sh etherchannel summary
sh int trunk