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Different peak rates in ar 1220 in bridge mode

Created: May 9, 2017 19:03:46Latest reply: Jul 6, 2017 16:33:43 2738 2 1 0 0
  Rewarded HiCoins: 0 (problem resolved)

Hello Everybody!


Hope you're doing great!


Im facing an scenario where an AR 1220  is placed as a bridge between the clients router and the internet access.


We are noticing no good speedtests, since the expected speed is 6 Mbps and we're getting 3 (for download, at best) and 6 (for upload at best).


When stressing the link, we are seeing different readings in each interface involved:


this is for the external interface (peak rate is 6 in output and 6 in input):


<Router>display interface GigabitEthernet 0/0/0
GigabitEthernet0/0/0 current state : UP
Line protocol current state : DOWN
Description:HUAWEI, AR Series, GigabitEthernet0/0/0 Interface
Route Port,The Maximum Transmit Unit is 1500
Internet protocol processing : disabled
IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 6008-1039-007f
Last physical up time   : 2017-05-08 15:55
Last physical down time : 2017-05-08 15:55
Current system time: 2017-05-08 15:55
Port Mode: COMMON COPPER
Speed : 1000,  Loopback: NONE
Duplex: FULL,  Negotiation: ENABLE
Mdi   : AUTO,  Clock   : -
Last 300 seconds input rate 3574048 bits/sec, 478 packets/sec
Last 300 seconds output rate 40088 bits/sec, 9 packets/sec
Input peak rate 6395592 bits/sec,Record time: 2017-05-08 15:55
Output peak rate 6895128 bits/sec,Record time: 2017-05-08 15:55

Input:  28973639 packets, 30590535195 bytes


The client facing interface is not showing the same rates ( Input peak rate is 6 and Output is 4.4)


<ROUTER>display interface GigabitEthernet 0/0/1
GigabitEthernet0/0/1 current state : UP
Line protocol current state : UP
Last line protocol up time : 2017-05-08 15:55
Description:HUAWEI, AR Series, GigabitEthernet0/0/1 Interface
Route Port,The Maximum Transmit Unit is 1500
Internet Address is IP_ADDRESS/30
IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 6008-1039-0080
Last physical up time   : 2017-05-08 15:55
Last physical down time : 2017-05-08 15:55
Current system time: 2017-05-08 15:55
Port Mode: COMMON COPPER
Speed : 1000,  Loopback: NONE
Duplex: FULL,  Negotiation: ENABLE
Mdi   : AUTO,  Clock   : -
Last 300 seconds input rate 264 bits/sec, 0 packets/sec
Last 300 seconds output rate 224 bits/sec, 0 packets/sec
Input peak rate 6849784 bits/sec,Record time: 2017-05-08 15:55
Output peak rate 4496856 bits/sec,Record time: 2017-05-08 15:55

Input:  568849 packets, 303012371 bytes


the test we're doing is uploading several ISOs to an external ftp server (to stress the upload part) and openin several youtube videos (in order to stress the download part), we're connecting one computer to the GE1 interface and the access to the GE0.


What I would like to know is if there's a configuration that makes us capable of matching the output peak rates  in the GE1 interface, since this is a bridge mode and, in theory, it should be the same BW in each interface.


I'm attaching the relevant parts of the running config file of the router.


The router version is:

Huawei Versatile Routing Platform Software
VRP (R) software, Version 5.160 (AR1200 V200R005C20SPC200)
Copyright (C) 2011-2014 HUAWEI TECH CO., LTD
Huawei AR1220W Router uptime is 0 week, 1 day, 1 hour, 55 minutes
BKP 0 version information:
1. PCB      Version  : AR01BAK1A VER.A
2. If Supporting PoE : Yes
3. Board    Type     : AR1220W
4. MPU Slot Quantity : 1
5. LPU Slot Quantity : 2

MPU 0(Master) : uptime is 0 week, 1 day, 1 hour, 54 minutes
SDRAM Memory Size    : 512     M bytes
Flash Memory Size    : 256     M bytes
NVRAM Memory Size    : 512     K bytes
MPU version information :
1. PCB      Version  : AR01SRU1B VER.D
2. MAB      Version  : 0
3. Board    Type     : AR1220W
4. CPLD0    Version  : 104
5. BootROM  Version  : 811
SubBoard[1]:
1. PCB      Version  : AR01DWA30A VER.B
2. Board    Type     : WLAN


Any help will be appreciated.


Thanx in advance for your valuable support!


Héctor Macías Serrato   

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Featured Answers
Busy_with_lazy_mind
Created Jul 6, 2017 16:33:43

Seems there's nothing strange in the configuration.
for upload test, using ftp; for download test using youtube.
from your description, the upload test is ok, the peak rate of ge 0/0/1 input is 6, also the peak rate of ge 0/0/0 output is 6.
for download, using youtube, there would be some Peakflow, when AR receive the flow, it would use buffer to make the flow forward smoothly. When AR forward the flow to computer, the flow would be smooth, some the pear flow is lower than ge 0/0/0.
there can be two methords to verify:
1. Using ftp to do the download test, ftp flow would be much more stable than youtube.
2. still using youtube, but don't just check the peak rate, check the output rate of ge 0/0/1 and input rate of ge 0/0/0 during the test.
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doctor.zhang
doctor.zhang Created May 11, 2017 01:21:50

Different peak rates in ar 1220 in bridge mode-2269891-1waiting for help!
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Busy_with_lazy_mind
Busy_with_lazy_mind Created Jul 6, 2017 16:33:43

Seems there's nothing strange in the configuration.
for upload test, using ftp; for download test using youtube.
from your description, the upload test is ok, the peak rate of ge 0/0/1 input is 6, also the peak rate of ge 0/0/0 output is 6.
for download, using youtube, there would be some Peakflow, when AR receive the flow, it would use buffer to make the flow forward smoothly. When AR forward the flow to computer, the flow would be smooth, some the pear flow is lower than ge 0/0/0.
there can be two methords to verify:
1. Using ftp to do the download test, ftp flow would be much more stable than youtube.
2. still using youtube, but don't just check the peak rate, check the output rate of ge 0/0/1 and input rate of ge 0/0/0 during the test.
View more
  • x
  • convention:

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