Добрый день!
Проблема с подсчетом трафика по Netflow, на устройстве (Cisco 857) показывается что экспорт есть, а на коллектор ничего не идет, вернее идет но ~1% от того что экпортируется.
Конфиг (не полный):

!

ip cef
ip flow-cache timeout inactive 10
ip flow-cache timeout active 1
no ip domain lookup

!
crypto pki trustpoint TP-self-signed-3448409617
  enrollment selfsigned
  subject-name cn=IOS-Self-Signed-Certificate-3448409617
  revocation-check none
  rsakeypair TP-self-signed-3448409617
!

!
!
crypto isakmp policy 1
  encr 3des
  hash md5
  authentication pre-share
  group 2
crypto isakmp key xxxxxxxxxx
address x.x.x.x 255.255.255.248 no-xauth
!
!
crypto ipsec transform-set adsl_to_office esp-3des esp-md5-hmac
!
crypto map policy_adsl 1 ipsec-isakmp
  description crypto_map_tikhvin_office
  set peer x.x.x.x
  set security-association lifetime seconds 57600
  set transform-set adsl_to_office
  set pfs group2
  match address 100
!
!
!
interface ATM0
  no ip address
  ip flow ingress
  ip flow egress
  ip route-cache flow
  no atm ilmi-keepalive
  dsl operating-mode auto
!
interface ATM0.2 point-to-point
  pvc 0/33
    pppoe-client dial-pool-number 1
  !
!
interface FastEthernet0
!
interface FastEthernet1
!
interface FastEthernet2
!
interface FastEthernet3
!
interface Vlan1
  description $ETH-SW-LAUNCH$$INTF-INFO-HWIC 4ESW$$FW_INSIDE$
  ip address 192.168.3.57 255.255.255.248
  ip access-group 102 in
  ip flow ingress
  ip flow egress
  ip route-cache flow
  ip tcp adjust-mss 1412
!
interface Dialer0
  description $FW_OUTSIDE$
  ip address y.y.y.y 255.255.255.0
  ip access-group 106 in
  ip access-group 2002 out
  ip mtu 1452
  ip flow ingress
  ip flow egress
  encapsulation ppp
  ip route-cache flow
  ip tcp adjust-mss 1300
  dialer pool 1
  dialer-group 1
  no cdp enable

  crypto map policy_adsl
!
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer0 permanent
ip flow-export source Vlan1
ip flow-export version 5
ip flow-export destination 192.168.242.19 9996
ip flow-top-talkers
  top 50
  sort-by bytes
  cache-timeout 2
!
ip http server
ip http authentication local
ip http secure-server
ip http timeout-policy idle 5 life 86400 requests 10000
!
ADSL_VPN_#sh ip flow export
Flow export v5 is enabled for main cache
    Export source and destination details :
    VRF ID : Default
        Source(1) 192.168.3.57 (Vlan1)
        Destination(1) 192.168.242.19 (9996)
    Version 5 flow records
    1989 flows exported in 175 udp datagrams
    0 flows failed due to lack of export packet
    2 export packets were sent up to process level
    0 export packets were dropped due to no fib
    0 export packets were dropped due to adjacency issues
    0 export packets were dropped due to fragmentation failures
    0 export packets were dropped due to encapsulation fixup failures

Подскажите, в чем может быть проблема, куда смотреть, какими дебагами?