Cisco 3845 router with sub-portchannels and sub-serial interfaces

Hello,

I am having an issue with seeing outbound traffic on NetFlow Analyzer for my Cisco 3845 router.

Below is interface configuration.

ip flow-cache timeout active 1
ip flow-export source Port-channel36.1
ip flow-export version 9
ip flow-export template options export-stats
ip flow-export destination 10.8.1.10 9996

interface Port-channel36
no ip address
hold-queue 150 in
!
interface Port-channel36.1
encapsulation dot1Q 1 native
ip address XXXXX
ip flow ingress
ip nat inside
ip virtual-reassembly
!
interface Port-channel36.60
description Telovation WAN
encapsulation dot1Q 60
ip address 172.23.23.61 255.255.255.252
ip flow ingress
!
interface GigabitEthernet0/0
no ip address
duplex full
speed 1000
media-type rj45
channel-group 36
!
interface GigabitEthernet0/1
no ip address
duplex full
speed 1000
media-type rj45
channel-group 36
!
interface Serial1/0
no ip address
encapsulation frame-relay IETF
no ip route-cache cef
dsu bandwidth 44210
frame-relay lmi-type cisco
service-policy output XXXXX
!
interface Serial1/0.747 point-to-point
description XXXXXX
ip address XXXXXX
ip flow ingress
ip nat inside
ip virtual-reassembly
snmp trap link-status
frame-relay interface-dlci 747 IETF
!
interface Serial1/0.901 point-to-point
description XXXXX
ip address XXXXX
ip flow ingress
ip nat outside
ip virtual-reassembly
snmp trap link-status
frame-relay interface-dlci 901 IETF
!
interface Serial1/0.902 point-to-point
description XXXXXX
ip address XXXXXX
ip flow ingress
snmp trap link-status
frame-relay interface-dlci 902 IETF