Load Balancing Technique in CASA 3000

Although I have set configuration in CASA,we are seeing that some downstream are congested and some are free.Can any one help me out to resolve the issue.Currently I am using single mac-domain(2) for the cmts
I have following configuration in my CMTS.

interface qam 0/2
interleave 128x1
power 550
channel 0 frequency 441000000
no channel 0 shutdown
channel 1 frequency 447000000
no channel 1 shutdown
channel 2 frequency 453000000
no channel 2 shutdown
channel 3 frequency 459000000
no channel 3 shutdown
no shutdown
!

interface qam 0/3
interleave 128x1
power 550
channel 0 frequency 489000000
no channel 0 shutdown
channel 1 frequency 495000000
no channel 1 shutdown
channel 2 frequency 501000000
no channel 2 shutdown
channel 3 frequency 507000000
no channel 3 shutdown
no shutdown
!

interface qam 1/0
interleave 128x1
power 550
channel 0 frequency 465000000
no channel 0 shutdown
channel 1 frequency 471000000
no channel 1 shutdown
channel 2 frequency 477000000
no channel 2 shutdown
channel 3 frequency 483000000
no channel 3 shutdown
no shutdown
!

interface qam 1/1
interleave 128x1
power 550
channel 0 frequency 465000000
no channel 0 shutdown
channel 1 frequency 471000000
no channel 1 shutdown
channel 2 frequency 477000000
no channel 2 shutdown
channel 3 frequency 483000000
no channel 3 shutdown
no shutdown
!

interface qam 1/2
interleave 128x1
power 550
channel 0 frequency 441000000
no channel 0 shutdown
channel 1 frequency 447000000
no channel 1 shutdown
channel 2 frequency 453000000
no channel 2 shutdown
channel 3 frequency 459000000
no channel 3 shutdown
no shutdown
!

interface qam 1/3
interleave 128x1
power 550
channel 0 frequency 465000000
no channel 0 shutdown
channel 1 frequency 471000000
no channel 1 shutdown
channel 2 frequency 477000000
no channel 2 shutdown
channel 3 frequency 483000000
no channel 3 shutdown
no shutdown
!
!

!
!
!pim command
!
!

!
!ds submgt config
docsis submgt default active on
!
!
!

!
!
!

!

service group 1
qam 0/0/0
qam 0/0/1
qam 0/0/2
qam 0/0/3
qam 0/1/0
qam 0/1/1
qam 0/1/2
qam 0/1/3
upstream 3/4.0
upstream 3/4.1

service group 4
qam 0/2/0
qam 0/2/1
qam 0/2/2
qam 0/2/3
qam 0/3/0
qam 0/3/1
qam 0/3/2
qam 0/3/3
upstream 4/0.0
upstream 4/0.1

service group 5
qam 0/2/0
qam 0/2/1
qam 0/2/2
qam 0/2/3
qam 0/3/0
qam 0/3/1
qam 0/3/2
qam 0/3/3
upstream 4/1.0
upstream 4/1.1

service group 6
qam 0/2/0
qam 0/2/1
qam 0/2/2
qam 0/2/3
qam 0/3/0
qam 0/3/1
qam 0/3/2
qam 0/3/3
upstream 4/2.0
upstream 4/2.1

service group 7
qam 0/2/0
qam 0/2/1
qam 0/2/2
qam 0/2/3
qam 0/3/0
qam 0/3/1
qam 0/3/2
qam 0/3/3
upstream 4/3.0
upstream 4/3.1

service group 8
qam 0/2/0
qam 0/2/1
qam 0/2/2
qam 0/2/3
qam 0/3/0
qam 0/3/1
qam 0/3/2
qam 0/3/3
upstream 4/4.0
upstream 4/4.1

service group 9
qam 0/3/0
qam 0/3/1
qam 0/3/2
qam 0/3/3
qam 1/0/0
qam 1/0/1
qam 1/0/2
qam 1/0/3
upstream 4/4.0
upstream 4/4.1

service group 10
qam 0/3/0
qam 0/3/1
qam 0/3/2
qam 0/3/3
qam 1/0/0
qam 1/0/1
qam 1/0/2
qam 1/0/3
upstream 4/0.0
upstream 4/0.1

service group 11
qam 0/3/0
qam 0/3/1
qam 0/3/2
qam 0/3/3
qam 1/0/0
qam 1/0/1
qam 1/0/2
qam 1/0/3
upstream 4/1.0
upstream 4/1.1

service group 12
qam 0/3/0
qam 0/3/1
qam 0/3/2
qam 0/3/3
qam 1/0/0

interface docsis-mac 2
no shutdown
no early-authentication-encryption
no multicast-dsid-forward
tftp-enforce
no tftp-proxy
ip bundle 1
downstream 1 interface qam 0/2/0
downstream 2 interface qam 0/2/1
downstream 3 interface qam 0/2/2
downstream 4 interface qam 0/2/3
downstream 5 interface qam 0/3/0
downstream 6 interface qam 0/3/1
downstream 7 interface qam 0/3/2
downstream 8 interface qam 0/3/3
downstream 9 interface qam 1/0/0
downstream 10 interface qam 1/0/1
downstream 11 interface qam 1/0/2
downstream 12 interface qam 1/0/3
upstream 1 interface upstream 4/0.0/0
upstream 2 interface upstream 4/0.1/0
upstream 3 interface upstream 4/1.0/0
upstream 4 interface upstream 4/1.1/0
upstream 5 interface upstream 4/2.0/0
upstream 6 interface upstream 4/2.1/0
upstream 7 interface upstream 4/3.0/0
upstream 8 interface upstream 4/3.1/0
upstream 9 interface upstream 4/4.0/0
upstream 10 interface upstream 4/4.1/0
upstream 11 interface upstream 4/5.0/0
upstream 12 interface upstream 4/5.1/0
upstream 13 interface upstream 4/6.0/0
upstream 14 interface upstream 4/6.1/0
upstream 15 interface upstream 4/7.0/0
upstream 16 interface upstream 4/7.1/0

channel-utilization-interval 30

ha redundancy reboot

interface upstream 3/0.0
frequency 35000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 3/0.1
frequency 29000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 3/1.0
frequency 23000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 3/1.1
frequency 20000000
channel-width 3200000
logical-channel 0 profile 2
logical-channel 0 minislot 2
logical-channel 0 shutdown
shutdown

interface upstream 3/2.0
frequency 35000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 2
no logical-channel 0 shutdown
no shutdown

interface upstream 3/2.1
frequency 29000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 2
no logical-channel 0 shutdown
no shutdown

interface upstream 3/3.0
frequency 23000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 3/3.1
frequency 29000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
shutdown

interface upstream 3/4.0
frequency 23000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 3/4.1
frequency 29000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
shutdown

interface upstream 3/5.0
frequency 35000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 3/5.1
frequency 29000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 3/6.0
frequency 23000000
channel-width 3200000
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 3/6.1
frequency 17000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
shutdown

interface upstream 3/7.0
frequency 23000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 3/7.1
frequency 29000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
shutdown

interface upstream 4/0.0
description "Areas=>
frequency 23000000
channel-width 1600000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 4/0.1
description "Areas=>
frequency 29000000
channel-width 1600000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 4/1.0
description "Areas=>
frequency 23000000
channel-width 1600000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 4/1.1
description "Areas=>
frequency 29000000
channel-width 1600000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 4/2.0
description "Areas=>
frequency 35000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 2
no logical-channel 0 shutdown
no shutdown

interface upstream 4/2.1
description "Areas=> Koteshwore "
frequency 29000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 2
no logical-channel 0 shutdown
no shutdown

interface upstream 4/3.0
description "Areas=>
frequency 29000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 2
no logical-channel 0 shutdown
no shutdown

interface upstream 4/3.1
frequency 35000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 2
no logical-channel 0 shutdown
shutdown

interface upstream 4/4.0
description "Areas=> Himali Marg"
frequency 35000000
channel-width 1600000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 4/4.1
frequency 29000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 2
no logical-channel 0 shutdown
shutdown

interface upstream 4/5.0
frequency 35000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 2
no logical-channel 0 shutdown
no shutdown

interface upstream 4/5.1
frequency 29000000
channel-width 1600000
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 4/6.0
frequency 23000000
channel-width 1600000
power-adjustment continue 6
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
no shutdown

interface upstream 4/6.1
frequency 29000000
channel-width 1600000
logical-channel 0 profile 2
logical-channel 0 minislot 4
no logical-channel 0 shutdown
shutdown

interface upstream 4/7.0
frequency 35000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 3
logical-channel 0 minislot 2
no logical-channel 0 shutdown
no shutdown

interface upstream 4/7.1
frequency 23000000
channel-width 3200000
power-adjustment continue 6
logical-channel 0 profile 3
logical-channel 0 minislot 2
no logical-channel 0 shutdown
no shutdown

!
!
! dsg commands
!

!
!
! load balance commands
!

load-balance enable across-mac downstream

load-balance basic-rule 1
enable

load-balance execution-rule 1
method utilization
threshold load 20 enforce 20 dynamic minimum 30
cable modem rebalance-interval 60

load-balance execution-rule 2
method utilization
threshold load 50 dynamic minimum 40
cable modem rebalance-interval 120
cable modem retry-interval first 30 second 30

load-balance policy 1
rule execution 1
rule basic 1

load-balance general-group default-settings
initial-tech unicast-ranging
no enable

load-balance general-group mac-domain 2 service-group 2
enable
policy-id 1
initial-tech direct

bonding-group upstream mac-domain 2 group-id 2
prov-attr-mask 0x80000000

bonding-group upstream mac-domain 4 group-id 4
prov-attr-mask 0x80000000

bonding-group upstream mac-domain 5 group-id 1
prov-attr-mask 0x80000000

bonding-group downstream mac-domain 2 group-id 2
qam 0/2/0
qam 0/2/1
qam 0/2/2
qam 0/2/3
qam 0/3/0
qam 0/3/1
qam 0/3/2
qam 0/3/3
prov-attr-mask 0x80000000
reseq wait-time 180
reseq warn-thrshld 0