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Cable Interface txload 255/255 although traffic is low

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muharem84
Cable Interface txload 255/255 although traffic is low

Hi,

I have a strange problem with cable interfaces - txload is 255/255 on all 6 interfaces. Upload speed is 7M maximum but download is good.
CMTS is 7246 with 3 MC88V cards.
I am completely stuck with this because upload speeds are very low. Here is a sh int output and configuration output.

Cable3/0 is up, line protocol is up
Hardware is UBR7200 CLC, address is 0021.1bbf.0c54 (bia 0021.1bbf.0c54)
MTU 1500 bytes, BW 50000 Kbit, DLY 1000 usec,
reliability 255/255, txload 255/255, rxload 26/255
Encapsulation MCNS, loopback not set
Keepalive set (10 sec)
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
30 second input rate 5169000 bits/sec, 3776 packets/sec
30 second output rate 61296000 bits/sec, 5788 packets/sec
18733796 packets input, 3745425194 bytes, 0 no buffer
Received 56266 broadcasts (4388 multicasts)
0 runts, 0 giants, 0 throttles
250 input errors, 31 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
55250288 packets output, 4104094771 bytes, 0 underruns
0 output errors, 0 collisions, 1 interface resets
0 output buffer failures, 0 output buffers swapped out

Current configuration : 39406 bytes
!
! No configuration change since last restart
!
version 12.2
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
service udp-small-servers max-servers no-limit

!
boot-start-marker
boot system flash disk2:ubr7200p-jk9su2-mz.122-33.SCH6.bin
boot system flash ubr7200p-jk9su2-mz.122-33.SCD7.bin
boot system disk2:ubr7200p-kboot-mz.122-33.SCD7.bin
boot bootldr bootflash:ubr7200p-kboot-mz.122-33.SCG3.bin
boot-end-marker

!
no aaa new-model
clock timezone MET 1
clock summer-time CET recurring last Sun Mar 2:00 last Sun Oct 2:00
clock calendar-valid
cable snmp iftype ds-phy 1
cable upstream rate-adapt
cable admission-control preempt priority-voice
cable flap-list size 400
!
!
!
!
cable modem v6-max-cpe-prefix 16
cable modulation-profile 121 request 0 16 0 22 qpsk scrambler 152 no-diff 36 fixed
cable modulation-profile 121 initial 5 34 0 48 qpsk scrambler 152 no-diff 98 fixed
cable modulation-profile 121 station 5 34 0 48 qpsk scrambler 152 no-diff 98 fixed
cable modulation-profile 121 short 3 76 12 22 qpsk scrambler 152 no-diff 64 shortened
cable modulation-profile 121 long 9 232 0 22 qpsk scrambler 152 no-diff 64 shortened
cable modulation-profile 121 a-short 4 76 7 22 16qam scrambler 152 no-diff 64 shortened qpsk1 1 2048
cable modulation-profile 121 a-long 9 232 0 22 16qam scrambler 152 no-diff 64 shortened qpsk1 1 2048
cable modulation-profile 121 a-ugs 9 232 0 22 16qam scrambler 152 no-diff 64 shortened qpsk1 1 2048
cable modulation-profile 222 request 0 16 0 22 qpsk scrambler 152 no-diff 36 fixed qpsk0 1 2048
cable modulation-profile 222 initial 5 34 0 48 qpsk scrambler 152 no-diff 98 fixed qpsk0 1 2048
cable modulation-profile 222 station 5 34 0 48 qpsk scrambler 152 no-diff 98 fixed qpsk0 1 2048
cable modulation-profile 222 a-short 6 76 6 22 64qam scrambler 152 no-diff 64 shortened qpsk1 1 2048
cable modulation-profile 222 a-long 9 232 0 22 64qam scrambler 152 no-diff 64 shortened qpsk1 1 2048
cable modulation-profile 222 a-ugs 9 232 0 22 64qam scrambler 152 no-diff 64 shortened qpsk1 1 2048
cable modulation-profile 224 request 0 16 0 22 qpsk scrambler 152 no-diff 36 fixed qpsk0 1 2048
cable modulation-profile 224 initial 5 34 0 48 qpsk scrambler 152 no-diff 98 fixed qpsk0 1 2048
cable modulation-profile 224 station 5 34 0 48 qpsk scrambler 152 no-diff 98 fixed qpsk0 1 2048
cable modulation-profile 224 a-short 4 76 7 22 16qam scrambler 152 no-diff 64 shortened qpsk1 1 2048
cable modulation-profile 224 a-long 9 232 0 22 16qam scrambler 152 no-diff 64 shortened qpsk1 1 2048
cable modulation-profile 224 a-ugs 9 232 0 22 16qam scrambler 152 no-diff 64 shortened qpsk1 1 2048
cable service class 1 name utestno
cable service class 1 upstream
cable service class 2 name ustestno
cable service class 2 upstream
cable service class 3 name dtestno
cable service class 3 downstream
cable service class 4 name dstestno
cable service class 4 downstream
cable service class 140 name ucountme
cable service class 140 upstream
cable service class 141 name uscountme
cable service class 141 upstream
cable service class 142 name dcountme
cable service class 142 downstream
cable service class 143 name dscountme
cable service class 143 downstream
no cable qos permission create
no cable qos permission update
cable qos permission modems
!
no cable logging badipsource
no cable logging layer2events
no cable logging overlapip
cable time-server
!
cable load-balance group 30
cable load-balance group 31
cable load-balance group 40
cable load-balance group 41
cable load-balance group 50
cable load-balance group 51
!
ip subnet-zero
!
!
ip name-server 8.8.8.8
ip name-server 195.222.32.30
ip dhcp relay information option
!
!
ip cef
!
!
multilink bundle-name authenticated
call rsvp-sync
!
!
controller Integrated-Cable 3/0
rf-channel 0 cable downstream channel-id 1
rf-channel 0 frequency 378000000 annex A modulation 256qam interleave 12
rf-channel 0 rf-power 50.0
no rf-channel 0 rf-shutdown
rf-channel 1 cable downstream channel-id 2
rf-channel 1 frequency 386000000 annex A modulation 256qam interleave 12
rf-channel 1 rf-power 50.0
no rf-channel 1 rf-shutdown
rf-channel 2 cable downstream channel-id 3
rf-channel 2 frequency 394000000 annex A modulation 256qam interleave 12
rf-channel 2 rf-power 50.0
no rf-channel 2 rf-shutdown
rf-channel 3 cable downstream channel-id 4
rf-channel 3 frequency 402000000 annex A modulation 256qam interleave 12
rf-channel 3 rf-power 50.0
no rf-channel 3 rf-shutdown

!
controller Integrated-Cable 3/1
rf-channel 0 cable downstream channel-id 5
rf-channel 0 frequency 378000000 annex A modulation 256qam interleave 12
rf-channel 0 rf-power 50.0
no rf-channel 0 rf-shutdown
rf-channel 1 cable downstream channel-id 6
rf-channel 1 frequency 386000000 annex A modulation 256qam interleave 12
rf-channel 1 rf-power 50.0
no rf-channel 1 rf-shutdown
rf-channel 2 cable downstream channel-id 7
rf-channel 2 frequency 394000000 annex A modulation 256qam interleave 12
rf-channel 2 rf-power 50.0
no rf-channel 2 rf-shutdown
rf-channel 3 cable downstream channel-id 8
rf-channel 3 frequency 402000000 annex A modulation 256qam interleave 12
rf-channel 3 rf-power 50.0
no rf-channel 3 rf-shutdown

!
controller Integrated-Cable 5/0
rf-channel 0 cable downstream channel-id 9
rf-channel 0 frequency 378000000 annex A modulation 256qam interleave 12
rf-channel 0 rf-power 48.0
no rf-channel 0 rf-shutdown
rf-channel 1 cable downstream channel-id 10
rf-channel 1 frequency 386000000 annex A modulation 256qam interleave 12
rf-channel 1 rf-power 48.0
no rf-channel 1 rf-shutdown
rf-channel 2 cable downstream channel-id 11
rf-channel 2 frequency 394000000 annex A modulation 256qam interleave 12
rf-channel 2 rf-power 48.0
no rf-channel 2 rf-shutdown
rf-channel 3 cable downstream channel-id 12
rf-channel 3 frequency 402000000 annex A modulation 256qam interleave 12
rf-channel 3 rf-power 48.0
no rf-channel 3 rf-shutdown
!
controller Integrated-Cable 5/1
rf-channel 0 cable downstream channel-id 13
rf-channel 0 frequency 378000000 annex A modulation 256qam interleave 12
rf-channel 0 rf-power 48.0
no rf-channel 0 rf-shutdown
rf-channel 1 cable downstream channel-id 14
rf-channel 1 frequency 386000000 annex A modulation 256qam interleave 12
rf-channel 1 rf-power 48.0
no rf-channel 1 rf-shutdown
rf-channel 2 cable downstream channel-id 15
rf-channel 2 frequency 394000000 annex A modulation 256qam interleave 12
rf-channel 2 rf-power 48.0
no rf-channel 2 rf-shutdown
rf-channel 3 cable downstream channel-id 16
rf-channel 3 frequency 402000000 annex A modulation 256qam interleave 12
rf-channel 3 rf-power 48.0
no rf-channel 3 rf-shutdown
!
controller Integrated-Cable 6/0
rf-channel 0 cable downstream channel-id 25
rf-channel 0 frequency 378000000 annex A modulation 256qam interleave 12
rf-channel 0 rf-power 50.0
no rf-channel 0 rf-shutdown
rf-channel 1 cable downstream channel-id 26
rf-channel 1 frequency 386000000 annex A modulation 256qam interleave 12
rf-channel 1 rf-power 50.0
no rf-channel 1 rf-shutdown
rf-channel 2 cable downstream channel-id 27
rf-channel 2 frequency 394000000 annex A modulation 256qam interleave 12
rf-channel 2 rf-power 50.0
no rf-channel 2 rf-shutdown
rf-channel 3 cable downstream channel-id 28
rf-channel 3 frequency 402000000 annex A modulation 256qam interleave 12
rf-channel 3 rf-power 50.0
no rf-channel 3 rf-shutdown
!
controller Integrated-Cable 6/1
rf-channel 0 cable downstream channel-id 29
rf-channel 0 frequency 378000000 annex A modulation 256qam interleave 12
rf-channel 0 rf-power 50.0
no rf-channel 0 rf-shutdown
rf-channel 1 cable downstream channel-id 30
rf-channel 1 frequency 386000000 annex A modulation 256qam interleave 12
rf-channel 1 rf-power 50.0
no rf-channel 1 rf-shutdown
rf-channel 2 cable downstream channel-id 31
rf-channel 2 frequency 394000000 annex A modulation 256qam interleave 12
rf-channel 2 rf-power 50.0
no rf-channel 2 rf-shutdown
rf-channel 3 cable downstream channel-id 32
rf-channel 3 frequency 402000000 annex A modulation 256qam interleave 12
rf-channel 3 rf-power 50.0
no rf-channel 3 rf-shutdown

!
interface Cable3/0
load-interval 30
downstream Integrated-Cable 3/0 rf-channel 0-3 upstream 0-2
cable mtc-mode
cable rcp-control verbose
cable cm-status enable 3 6 8
cable shared-secret 7 1543595F507F7D
cable enable-trap cmonoff-notification
cable enable-trap cmonoff-interval 500
no cable packet-cache
cable default-phy-burst 4000
cable bundle 1
cable upstream max-ports 3
cable upstream 0 connector 0
cable upstream 0 frequency 55000000
cable upstream 0 channel-width 3200000 3200000
cable upstream 0 description
cable upstream 0 docsis-mode atdma
cable upstream 0 minislot-size 2
cable upstream 0 power-adjust continue 6
cable upstream 0 range-backoff 3 6
cable upstream 0 modulation-profile 224
cable upstream 0 rate-limit
no cable upstream 0 shutdown
cable upstream 1 connector 1
cable upstream 1 frequency 55000000
cable upstream 1 channel-width 3200000 3200000
cable upstream 1 description
cable upstream 1 docsis-mode atdma
cable upstream 1 minislot-size 2
cable upstream 1 power-adjust continue 6
cable upstream 1 range-backoff 3 6
cable upstream 1 modulation-profile 224
cable upstream 1 rate-limit
no cable upstream 1 shutdown
cable upstream 2 connector 2
cable upstream 2 frequency 55000000
cable upstream 2 channel-width 3200000 3200000
cable upstream 2 description
cable upstream 2 docsis-mode atdma
cable upstream 2 minislot-size 2
cable upstream 2 power-adjust continue 6
cable upstream 2 range-backoff 3 6
cable upstream 2 modulation-profile 224
cable upstream 2 rate-limit
no cable upstream 2 shutdown
cable load-balance group 30
!
interface Wideband-Cable3/0:0
cable bundle 1
cable rf-channel 0 bandwidth-percent 5 remaining ratio 100
cable rf-channel 1 bandwidth-percent 5 remaining ratio 100
cable rf-channel 2 bandwidth-percent 5 remaining ratio 100
cable rf-channel 3 bandwidth-percent 5 remaining ratio 100
!
interface Integrated-Cable3/0:0
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable3/0:1
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable3/0:2
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable3/0:3
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Cable3/1
downstream Integrated-Cable 3/1 rf-channel 0-3 upstream 0-4
cable mtc-mode
cable shared-secret 7 1543595F507F7D
no cable packet-cache
cable default-phy-burst 4000
cable bundle 1
cable upstream max-ports 5
cable upstream 0 connector 3
cable upstream 0 frequency 55000000
cable upstream 0 channel-width 3200000 3200000
cable upstream 0 ingress-noise-cancellation 400
cable upstream 0 description
cable upstream 0 docsis-mode atdma
cable upstream 0 minislot-size 2
cable upstream 0 power-adjust continue 6
cable upstream 0 range-backoff 3 6
cable upstream 0 modulation-profile 224
cable upstream 0 rate-limit
no cable upstream 0 shutdown
cable upstream 1 connector 4
cable upstream 1 frequency 55000000
cable upstream 1 channel-width 3200000 3200000
cable upstream 1 description
cable upstream 1 docsis-mode atdma
cable upstream 1 minislot-size 2
cable upstream 1 range-backoff 3 6
cable upstream 1 modulation-profile 224
cable upstream 1 rate-limit
no cable upstream 1 shutdown
cable upstream 2 connector 5
cable upstream 2 frequency 55000000
cable upstream 2 channel-width 3200000 3200000
cable upstream 2 description
cable upstream 2 docsis-mode tdma-atdma
cable upstream 2 minislot-size 2
cable upstream 2 range-backoff 3 6
cable upstream 2 modulation-profile 121
cable upstream 2 rate-limit
no cable upstream 2 shutdown
cable upstream 3 connector 6
cable upstream 3 frequency 55000000
cable upstream 3 channel-width 3200000 3200000
cable upstream 3 description
cable upstream 3 docsis-mode atdma
cable upstream 3 minislot-size 2
cable upstream 3 range-backoff 3 6
cable upstream 3 modulation-profile 224
cable upstream 3 rate-limit
no cable upstream 3 shutdown
cable upstream 4 connector 7
cable upstream 4 frequency 55000000
cable upstream 4 channel-width 3200000 3200000
cable upstream 4 description
cable upstream 4 docsis-mode atdma
cable upstream 4 minislot-size 2
cable upstream 4 range-backoff 3 6
cable upstream 4 modulation-profile 224
cable upstream 4 rate-limit
no cable upstream 4 shutdown
cable load-balance group 31
!
interface Wideband-Cable3/1:0
cable bundle 1
cable rf-channel 0 bandwidth-percent 5 remaining ratio 100
cable rf-channel 1 bandwidth-percent 5 remaining ratio 100
cable rf-channel 2 bandwidth-percent 5 remaining ratio 100
cable rf-channel 3 bandwidth-percent 5 remaining ratio 100
!
interface Integrated-Cable3/1:0
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable3/1:1
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable3/1:2
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable3/1:3
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Cable5/0
downstream Integrated-Cable 5/0 rf-channel 0-3 upstream 0-3
cable mtc-mode
cable shared-secret 7 1543595F507F7D
no cable packet-cache
cable default-phy-burst 4000
cable bundle 1
cable upstream max-ports 4
cable upstream 0 connector 0
cable upstream 0 frequency 55000000
cable upstream 0 channel-width 3200000 3200000
cable upstream 0 ingress-noise-cancellation 400
cable upstream 0 description
cable upstream 0 docsis-mode atdma
cable upstream 0 minislot-size 2
cable upstream 0 power-adjust continue 6
cable upstream 0 range-backoff 3 6
cable upstream 0 modulation-profile 221
cable upstream 0 rate-limit
no cable upstream 0 shutdown
cable upstream 1 connector 1
cable upstream 1 frequency 45000000
cable upstream 1 channel-width 3200000 3200000
cable upstream 1 description
cable upstream 1 docsis-mode atdma
cable upstream 1 minislot-size 2
cable upstream 1 power-adjust continue 6
cable upstream 1 range-backoff 3 6
cable upstream 1 modulation-profile 221
cable upstream 1 rate-limit
no cable upstream 1 shutdown
cable upstream 2 connector 2
cable upstream 2 frequency 55000000
cable upstream 2 channel-width 3200000 3200000
cable upstream 2 description
cable upstream 2 docsis-mode atdma
cable upstream 2 minislot-size 2
cable upstream 2 power-adjust continue 6
cable upstream 2 range-backoff 3 6
cable upstream 2 modulation-profile 221
cable upstream 2 rate-limit
no cable upstream 2 shutdown
cable upstream 3 connector 3
cable upstream 3 frequency 55000000
cable upstream 3 channel-width 3200000 3200000
cable upstream 3 description
cable upstream 3 docsis-mode atdma
cable upstream 3 minislot-size 2
cable upstream 3 power-adjust continue 6
cable upstream 3 range-backoff 3 6
cable upstream 3 modulation-profile 221
cable upstream 3 rate-limit
no cable upstream 3 shutdown
cable load-balance group 40
!
interface Wideband-Cable5/0:0
cable bundle 1
cable rf-channel 0 bandwidth-percent 5 remaining ratio 100
cable rf-channel 1 bandwidth-percent 5 remaining ratio 100
cable rf-channel 2 bandwidth-percent 5 remaining ratio 100
cable rf-channel 3 bandwidth-percent 5 remaining ratio 100
!
interface Integrated-Cable5/0:0
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable5/0:1
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable5/0:2
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable5/0:3
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Cable5/1
downstream Integrated-Cable 5/1 rf-channel 0-3 upstream 0-3
cable mtc-mode
cable shared-secret 7 1543595F507F7D
no cable packet-cache
cable default-phy-burst 4000
cable bundle 1
cable upstream max-ports 4
cable upstream 0 connector 4
cable upstream 0 frequency 55000000
cable upstream 0 channel-width 3200000 3200000
cable upstream 0 ingress-noise-cancellation 400
cable upstream 0 description
cable upstream 0 docsis-mode atdma
cable upstream 0 minislot-size 2
cable upstream 0 power-adjust continue 6
cable upstream 0 range-backoff 3 6
cable upstream 0 modulation-profile 221
cable upstream 0 rate-limit
no cable upstream 0 shutdown
cable upstream 1 connector 5
cable upstream 1 frequency 55000000
cable upstream 1 channel-width 3200000 3200000
cable upstream 1 description
cable upstream 1 docsis-mode atdma
cable upstream 1 minislot-size 2
cable upstream 1 power-adjust continue 6
cable upstream 1 range-backoff 3 6
cable upstream 1 modulation-profile 221
cable upstream 1 rate-limit
no cable upstream 1 shutdown
cable upstream 2 connector 6
cable upstream 2 frequency 50000000
cable upstream 2 channel-width 3200000 3200000
cable upstream 2 description
cable upstream 2 docsis-mode atdma
cable upstream 2 minislot-size 2
cable upstream 2 power-adjust continue 6
cable upstream 2 range-backoff 3 6
cable upstream 2 modulation-profile 221
cable upstream 2 rate-limit
no cable upstream 2 shutdown
cable upstream 3 connector 7
cable upstream 3 frequency 52000000
cable upstream 3 channel-width 3200000 3200000
cable upstream 3 ingress-noise-cancellation 400
cable upstream 3 description
cable upstream 3 docsis-mode atdma
cable upstream 3 minislot-size 2
cable upstream 3 power-adjust continue 6
cable upstream 3 range-backoff 3 6
cable upstream 3 modulation-profile 221
cable upstream 3 rate-limit
no cable upstream 3 shutdown
cable load-balance group 41
!
interface Wideband-Cable5/1:0
cable bundle 1
cable rf-channel 0 bandwidth-percent 5 remaining ratio 100
cable rf-channel 1 bandwidth-percent 5 remaining ratio 100
cable rf-channel 2 bandwidth-percent 5 remaining ratio 100
cable rf-channel 3 bandwidth-percent 5 remaining ratio 100
!
interface Integrated-Cable5/1:0
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable5/1:1
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable5/1:2
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable5/1:3
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Cable6/0
downstream Integrated-Cable 6/0 rf-channel 0-3 upstream 0-4
cable mtc-mode
cable shared-secret 7 1543595F507F7D
no cable packet-cache
cable default-phy-burst 4000
cable bundle 1
cable upstream max-ports 5
cable upstream 0 connector 0
cable upstream 0 frequency 55000000
cable upstream 0 channel-width 3200000 3200000
cable upstream 0 description
cable upstream 0 docsis-mode atdma
cable upstream 0 minislot-size 2
cable upstream 0 power-adjust continue 6
cable upstream 0 range-backoff 3 6
cable upstream 0 modulation-profile 224
cable upstream 0 rate-limit
no cable upstream 0 shutdown
cable upstream 1 connector 1
cable upstream 1 frequency 55000000
cable upstream 1 channel-width 3200000 3200000
cable upstream 1 description
cable upstream 1 docsis-mode atdma
cable upstream 1 minislot-size 2
cable upstream 1 power-adjust continue 6
cable upstream 1 range-backoff 3 6
cable upstream 1 modulation-profile 224
cable upstream 1 rate-limit
no cable upstream 1 shutdown
cable upstream 2 connector 2
cable upstream 2 frequency 55000000
cable upstream 2 channel-width 3200000 3200000
cable upstream 2 description
cable upstream 2 docsis-mode atdma
cable upstream 2 minislot-size 2
cable upstream 2 power-adjust continue 6
cable upstream 2 range-backoff 3 6
cable upstream 2 modulation-profile 224
cable upstream 2 rate-limit
no cable upstream 2 shutdown
cable upstream 3 connector 3
cable upstream 3 frequency 55000000
cable upstream 3 channel-width 3200000 3200000
cable upstream 3 description
cable upstream 3 docsis-mode atdma
cable upstream 3 minislot-size 2
cable upstream 3 power-adjust continue 6
cable upstream 3 range-backoff 3 6
cable upstream 3 modulation-profile 224
cable upstream 3 rate-limit
no cable upstream 3 shutdown
cable upstream 4 connector 4
cable upstream 4 frequency 55000000
cable upstream 4 channel-width 3200000 3200000
cable upstream 4 description
cable upstream 4 docsis-mode atdma
cable upstream 4 minislot-size 2
cable upstream 4 power-adjust continue 6
cable upstream 4 range-backoff 3 6
cable upstream 4 modulation-profile 224
cable upstream 4 rate-limit
no cable upstream 4 shutdown
cable load-balance group 50
!
interface Wideband-Cable6/0:0
cable bundle 1
cable rf-channel 0 bandwidth-percent 5 remaining ratio 100
cable rf-channel 1 bandwidth-percent 5 remaining ratio 100
cable rf-channel 2 bandwidth-percent 5 remaining ratio 100
cable rf-channel 3 bandwidth-percent 5 remaining ratio 100
!
interface Integrated-Cable6/0:0
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable6/0:1
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable6/0:2
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable6/0:3
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Cable6/1
downstream Integrated-Cable 6/1 rf-channel 0-3 upstream 0-2
cable mtc-mode
cable shared-secret 7 1543595F507F7D
no cable packet-cache
cable default-phy-burst 4000
cable bundle 1
cable upstream max-ports 3
cable upstream 0 connector 5
cable upstream 0 frequency 55000000
cable upstream 0 channel-width 3200000 3200000
cable upstream 0 description
cable upstream 0 docsis-mode atdma
cable upstream 0 minislot-size 2
cable upstream 0 power-adjust continue 6
cable upstream 0 range-backoff 3 6
cable upstream 0 modulation-profile 224
cable upstream 0 rate-limit
no cable upstream 0 shutdown
cable upstream 1 connector 6
cable upstream 1 frequency 55000000
cable upstream 1 channel-width 3200000 3200000
cable upstream 1 description
cable upstream 1 docsis-mode atdma
cable upstream 1 minislot-size 4
cable upstream 1 power-adjust continue 6
cable upstream 1 range-backoff 3 6
cable upstream 1 modulation-profile 224
cable upstream 1 rate-limit
no cable upstream 1 shutdown
cable upstream 2 connector 7
cable upstream 2 frequency 50000000
cable upstream 2 channel-width 3200000 3200000
cable upstream 2 description
cable upstream 2 docsis-mode atdma
cable upstream 2 minislot-size 4
cable upstream 2 power-adjust continue 6
cable upstream 2 range-backoff 3 6
cable upstream 2 modulation-profile 224
cable upstream 2 rate-limit
no cable upstream 2 shutdown
cable load-balance group 51
!
interface Integrated-Cable6/1:0
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable6/1:1
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable6/1:2
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
interface Integrated-Cable6/1:3
cable bundle 1
cable rf-bandwidth-percent 50 remaining ratio 100
!
!
!

!
control-plane
!
!
dial-peer cor custom
!
!
!
!
gatekeeper
shutdown
!
alias exec cpu sh proc cpu | include ;
alias exec arp show processes cpu | include ARP
alias exec ccm clear cable modem
alias exec sum show cable modem summ
alias exec sumt show cable modem summ tot
alias exec flap sho cable flap-list sort-flap
alias exec phy show cable modem phy
!

!
exception crashinfo buffersize 64
scheduler isr-watchdog
!
cable fiber-node 1
description NOD xxx
downstream Integrated-Cable 3/0 rf-channel 0-3
upstream Cable 3 connector 0
!
cable fiber-node 2
description NOD xxx
downstream Integrated-Cable 3/0 rf-channel 0-3
upstream Cable 3 connector 1
!
cable fiber-node 3
description xxx
downstream Integrated-Cable 3/0 rf-channel 0-3
upstream Cable 3 connector 2
!
cable fiber-node 4
description xxx
downstream Integrated-Cable 3/1 rf-channel 0-3
upstream Cable 3 connector 3
!
cable fiber-node 5
description xxx
downstream Integrated-Cable 3/1 rf-channel 0-3
upstream Cable 3 connector 4
!
cable fiber-node 6
description xxx
downstream Integrated-Cable 3/1 rf-channel 0-3
upstream Cable 3 connector 5
!
cable fiber-node 7
description xxx
downstream Integrated-Cable 3/1 rf-channel 0-3
upstream Cable 3 connector 6
!
cable fiber-node 8
description xxx
downstream Integrated-Cable 3/1 rf-channel 0-3
upstream Cable 3 connector 7
!
cable fiber-node 20
description xxx
downstream Integrated-Cable 6/0 rf-channel 0-3
upstream Cable 6 connector 0
!
cable fiber-node 21
description xxx
downstream Integrated-Cable 6/0 rf-channel 0-3
upstream Cable 6 connector 1
!
cable fiber-node 22
description xxx
downstream Integrated-Cable 6/0 rf-channel 0-3
upstream Cable 6 connector 2
!
cable fiber-node 23
description xxx
downstream Integrated-Cable 6/0 rf-channel 0-3
upstream Cable 6 connector 3
!
cable fiber-node 24
description xxx
downstream Integrated-Cable 6/0 rf-channel 0-3
upstream Cable 6 connector 4
!
cable fiber-node 25
description xxx
downstream Integrated-Cable 6/1 rf-channel 0-3
upstream Cable 6 connector 5
!
cable fiber-node 26
description xxx
downstream Integrated-Cable 6/1 rf-channel 0-3
upstream Cable 6 connector 6
!
cable fiber-node 27
description xxx
downstream Integrated-Cable 6/1 rf-channel 0-3
upstream Cable 6 connector 7
!
cable fiber-node 40
description xxx
downstream Integrated-Cable 5/0 rf-channel 0-3
upstream Cable 5 connector 0-1
!
cable fiber-node 42
description xxx
downstream Integrated-Cable 5/0 rf-channel 0-3
upstream Cable 5 connector 2
!
cable fiber-node 43
description xxx
downstream Integrated-Cable 5/0 rf-channel 0-3
upstream Cable 5 connector 3
!
cable fiber-node 44
description xxx
downstream Integrated-Cable 5/1 rf-channel 0-3
upstream Cable 5 connector 4
!
cable fiber-node 45
description xxx
downstream Integrated-Cable 5/1 rf-channel 0-3
upstream Cable 5 connector 5
!
cable fiber-node 46
description xxx
downstream Integrated-Cable 5/1 rf-channel 0-3
upstream Cable 5 connector 6
!
cable fiber-node 47
description xxx
downstream Integrated-Cable 5/1 rf-channel 0-3
upstream Cable 5 connector 7

tvar
Dear muharem84,

Dear muharem84,

Can you please share this file from the disk2:
ubr7200p-jk9su2-mz.122-33.SCH6.bin
vatiacg dot kefo at gmail dot com

cmcaldas
possible modem file issue

can you post the modem file? could be simple like max burst and so on

muharem84
Main

Main
{

NetworkAccess 1;
SnmpMibObject docsDevNmAccessIp.1 IPAddress x.x.x.x ;
SnmpMibObject docsDevNmAccessIpMask.1 IPAddress 255.255.255.128 ;
SnmpMibObject docsDevNmAccessCommunity.1 String "private" ;
SnmpMibObject docsDevNmAccessControl.1 Integer 3; /* readWrite */
SnmpMibObject docsDevNmAccessInterfaces.1 String "@" ;
SnmpMibObject docsDevNmAccessStatus.1 Integer 4; /* createAndGo */
SnmpMibObject docsDevFilterIpControl.7 Integer 1; /* discard */
SnmpMibObject docsDevFilterIpIfIndex.7 Integer 0 ;
SnmpMibObject docsDevFilterIpDirection.7 Integer 3; /* both */
SnmpMibObject docsDevFilterIpBroadcast.7 Integer 2; /* false */
SnmpMibObject docsDevFilterIpSaddr.7 IPAddress 0.0.0.0 ;
SnmpMibObject docsDevFilterIpSmask.7 IPAddress 0.0.0.0 ;
SnmpMibObject docsDevFilterIpDaddr.7 IPAddress 0.0.0.0 ;
SnmpMibObject docsDevFilterIpDmask.7 IPAddress 0.0.0.0 ;
SnmpMibObject docsDevFilterIpProtocol.7 Integer 6 ;
SnmpMibObject docsDevFilterIpSourcePortLow.7 Integer 0 ;
SnmpMibObject docsDevFilterIpSourcePortHigh.7 Integer 65535 ;
SnmpMibObject docsDevFilterIpDestPortLow.7 Integer 25 ;
SnmpMibObject docsDevFilterIpDestPortHigh.7 Integer 25 ;
SnmpMibObject docsDevFilterIpStatus.7 Integer 4; /* createAndGo */
SnmpMibObject docsDevFilterIpIfIndex.1 Integer 0 ;
SnmpMibObject docsDevFilterIpDirection.1 Integer 3; /* both */
SnmpMibObject docsDevFilterIpProtocol.1 Integer 6 ;
SnmpMibObject docsDevFilterIpDestPortLow.1 Integer 135 ;
SnmpMibObject docsDevFilterIpDestPortHigh.1 Integer 135 ;
SnmpMibObject docsDevFilterIpStatus.1 Integer 4; /* createAndGo */
SnmpMibObject docsDevFilterIpIfIndex.2 Integer 0 ;
SnmpMibObject docsDevFilterIpDirection.2 Integer 3; /* both */
SnmpMibObject docsDevFilterIpProtocol.2 Integer 6 ;
SnmpMibObject docsDevFilterIpDestPortLow.2 Integer 137 ;
SnmpMibObject docsDevFilterIpDestPortHigh.2 Integer 139 ;
SnmpMibObject docsDevFilterIpStatus.2 Integer 4; /* createAndGo */
SnmpMibObject docsDevFilterIpIfIndex.3 Integer 0 ;
SnmpMibObject docsDevFilterIpDirection.3 Integer 3; /* both */
SnmpMibObject docsDevFilterIpProtocol.3 Integer 17 ;
SnmpMibObject docsDevFilterIpDestPortLow.3 Integer 137 ;
SnmpMibObject docsDevFilterIpDestPortHigh.3 Integer 139 ;
SnmpMibObject docsDevFilterIpStatus.3 Integer 4; /* createAndGo */
SnmpMibObject docsDevFilterIpIfIndex.4 Integer 0 ;
SnmpMibObject docsDevFilterIpDirection.4 Integer 3; /* both */
SnmpMibObject docsDevFilterIpProtocol.4 Integer 6 ;
SnmpMibObject docsDevFilterIpDestPortLow.4 Integer 445 ;
SnmpMibObject docsDevFilterIpDestPortHigh.4 Integer 445 ;
SnmpMibObject docsDevFilterIpStatus.4 Integer 4; /* createAndGo */
MaxCPE 4;
UsPacketClass
{
ClassifierRef 1;
ServiceFlowRef 140;
ActivationState 1;
IpPacketClassifier
{
IpSrcAddr 10.0.0.0;
IpSrcMask 255.255.0.0;
}
}
DsPacketClass
{
ClassifierRef 10;
ServiceFlowRef 142;
ActivationState 1;
IpPacketClassifier
{
IpDstAddr 10.0.0.0;
IpDstMask 255.255.0.0;
}
}
UsServiceFlow
{
UsServiceFlowRef 140;
ServiceClassName "ucountme";
QosParamSetType 7;
TrafficPriority 2;
MaxRateSustained 3145728;
}
UsServiceFlow
{
UsServiceFlowRef 141;
ServiceClassName "uscountme";
QosParamSetType 7;
TrafficPriority 4;
MaxRateSustained 3145728;
}
DsServiceFlow
{
DsServiceFlowRef 142;
ServiceClassName "dcountme";
QosParamSetType 7;
TrafficPriority 2;
MaxRateSustained 52428800;
}
DsServiceFlow
{
DsServiceFlowRef 143;
ServiceClassName "dscountme";
QosParamSetType 7;
TrafficPriority 4;
MaxRateSustained 52428800;
}
GlobalPrivacyEnable 0;
/* CmMic e8eb099b252f1cd0e8cebccba913d5c0; */
/* CmtsMic 83c304cf07b801ba673d1331de52c6eb; */
/*EndOfDataMkr*/
}

mbowe
Some suggestions and notes

Option 1 (more aggressive)

int cable 3/0
cable upstream 0 channel-width 6400000 3200000
cable upstream 0 minislot-size 2
cable upstream 0 modulation-profile 224 222
cable upstream 0 equalization-coefficient

---

Option 2 (less aggressive)

int cable 3/0
cable upstream 0 channel-width 3200000 1600000
cable upstream 0 minislot-size 4
cable upstream 0 modulation-profile 224 222
cable upstream 0 equalization-coefficient

---

Other misc notes I had on hand relating to tuning upload speeds :

Minislots :

For 6.4MHz width upstreams, set the minislots to 2 (rather than the default 1)
For 3.2MHz with upstreams, set the minislots to 4 (rather than the default 2)

Speed combinations observed during minislot testing :

3.2width 16qam = aggregate 8.9Mbps available
with default minislot-size 2 = peak modem speed 5.6Mbps
tweak minislot-size to 4 = peak modem speed 7.6Mbps

3.2width 64qam = aggregate 13.3Mbps available
with default minislot-size 2 = peak modem speed 8.5Mbps
tweak minislot-size to 4 = peak modem speed 11Mbps

6.4width 16qam = aggregate 17.8Mbps available
with default minislot-size 1 = peak modem speed 5.7Mbps
tweak minislot-size to 2 = peak modem speed 11Mbps

6.4width 64qam = aggregate 26.7Mbps available
with default minislot-size 1 = peak modem speed 8.6Mbps
tweak minislot-size to 2 = peak modem speed 16Mbps

Make sure your upstream service flow has a reasonably large burst configured :

burst 10000
max-concat-burst 10000

Interface :

cable default-phy-burst 0
cable map-advance dynamic 600 500

muharem84
I have tried the options on

I have tried the options on cmts as you suggested. However the issue still persist. This is the config of modem, but I stil do not understand what it has to do with saturated link 255/255.
One of the cards also reboots itself. Here is the modem file:

Main
{

NetworkAccess 1;
SnmpMibObject docsDevNmAccessIp.1 IPAddress x.x.x.x ;
SnmpMibObject docsDevNmAccessIpMask.1 IPAddress 255.255.255.128 ;
SnmpMibObject docsDevNmAccessCommunity.1 String "private" ;
SnmpMibObject docsDevNmAccessControl.1 Integer 3; /* readWrite */
SnmpMibObject docsDevNmAccessInterfaces.1 String "@" ;
SnmpMibObject docsDevNmAccessStatus.1 Integer 4; /* createAndGo */
SnmpMibObject docsDevFilterIpControl.7 Integer 1; /* discard */
SnmpMibObject docsDevFilterIpIfIndex.7 Integer 0 ;
SnmpMibObject docsDevFilterIpDirection.7 Integer 3; /* both */
SnmpMibObject docsDevFilterIpBroadcast.7 Integer 2; /* false */
SnmpMibObject docsDevFilterIpSaddr.7 IPAddress 0.0.0.0 ;
SnmpMibObject docsDevFilterIpSmask.7 IPAddress 0.0.0.0 ;
SnmpMibObject docsDevFilterIpDaddr.7 IPAddress 0.0.0.0 ;
SnmpMibObject docsDevFilterIpDmask.7 IPAddress 0.0.0.0 ;
SnmpMibObject docsDevFilterIpProtocol.7 Integer 6 ;
SnmpMibObject docsDevFilterIpSourcePortLow.7 Integer 0 ;
SnmpMibObject docsDevFilterIpSourcePortHigh.7 Integer 65535 ;
SnmpMibObject docsDevFilterIpDestPortLow.7 Integer 25 ;
SnmpMibObject docsDevFilterIpDestPortHigh.7 Integer 25 ;
SnmpMibObject docsDevFilterIpStatus.7 Integer 4; /* createAndGo */
SnmpMibObject docsDevFilterIpIfIndex.1 Integer 0 ;
SnmpMibObject docsDevFilterIpDirection.1 Integer 3; /* both */
SnmpMibObject docsDevFilterIpProtocol.1 Integer 6 ;
SnmpMibObject docsDevFilterIpDestPortLow.1 Integer 135 ;
SnmpMibObject docsDevFilterIpDestPortHigh.1 Integer 135 ;
SnmpMibObject docsDevFilterIpStatus.1 Integer 4; /* createAndGo */
SnmpMibObject docsDevFilterIpIfIndex.2 Integer 0 ;
SnmpMibObject docsDevFilterIpDirection.2 Integer 3; /* both */
SnmpMibObject docsDevFilterIpProtocol.2 Integer 6 ;
SnmpMibObject docsDevFilterIpDestPortLow.2 Integer 137 ;
SnmpMibObject docsDevFilterIpDestPortHigh.2 Integer 139 ;
SnmpMibObject docsDevFilterIpStatus.2 Integer 4; /* createAndGo */
SnmpMibObject docsDevFilterIpIfIndex.3 Integer 0 ;
SnmpMibObject docsDevFilterIpDirection.3 Integer 3; /* both */
SnmpMibObject docsDevFilterIpProtocol.3 Integer 17 ;
SnmpMibObject docsDevFilterIpDestPortLow.3 Integer 137 ;
SnmpMibObject docsDevFilterIpDestPortHigh.3 Integer 139 ;
SnmpMibObject docsDevFilterIpStatus.3 Integer 4; /* createAndGo */
SnmpMibObject docsDevFilterIpIfIndex.4 Integer 0 ;
SnmpMibObject docsDevFilterIpDirection.4 Integer 3; /* both */
SnmpMibObject docsDevFilterIpProtocol.4 Integer 6 ;
SnmpMibObject docsDevFilterIpDestPortLow.4 Integer 445 ;
SnmpMibObject docsDevFilterIpDestPortHigh.4 Integer 445 ;
SnmpMibObject docsDevFilterIpStatus.4 Integer 4; /* createAndGo */
MaxCPE 4;
UsPacketClass
{
ClassifierRef 1;
ServiceFlowRef 140;
ActivationState 1;
IpPacketClassifier
{
IpSrcAddr 10.0.0.0;
IpSrcMask 255.255.0.0;
}
}
DsPacketClass
{
ClassifierRef 10;
ServiceFlowRef 142;
ActivationState 1;
IpPacketClassifier
{
IpDstAddr 10.0.0.0;
IpDstMask 255.255.0.0;
}
}
UsServiceFlow
{
UsServiceFlowRef 140;
ServiceClassName "ucountme";
QosParamSetType 7;
TrafficPriority 2;
MaxRateSustained 3145728;
}
UsServiceFlow
{
UsServiceFlowRef 141;
ServiceClassName "uscountme";
QosParamSetType 7;
TrafficPriority 4;
MaxRateSustained 3145728;
}
DsServiceFlow
{
DsServiceFlowRef 142;
ServiceClassName "dcountme";
QosParamSetType 7;
TrafficPriority 2;
MaxRateSustained 52428800;
}
DsServiceFlow
{
DsServiceFlowRef 143;
ServiceClassName "dscountme";
QosParamSetType 7;
TrafficPriority 4;
MaxRateSustained 52428800;
}
GlobalPrivacyEnable 0;
/* CmMic e8eb099b252f1cd0e8cebccba913d5c0; */
/* CmtsMic 83c304cf07b801ba673d1331de52c6eb; */
/*EndOfDataMkr*/
}

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