Very low network speed.
Hi everyone.
This is my first post at this forum. And belive I have tried many other different forums before reaching this one.
Oh well. So here is my problem. My macbook is connected to a LAN using Airport, everything is set up manually. And when im trying to upload files using either samba or ftp I get speeds around 20kbs. Okay, I know I should not expect a lot using wifi to transfer files over the network. But come on, 20kbs upload? The irony is that I get higher speed uploading to a server way outside my network then on my lan, using airport.
THe server im connecting to on my LAN is a Debian unstable server using proftpd and a samba server. Everything is fine from another pc in my home, and usually get speeds aroun 8-10Mbs. So I dont think the problem are really on my server.
Both the server and my macbook has disabled Ipv6 in an atempt to rule out any misconfiguration. But to no availe.
I searched this forum a few hours ago and got this http://discussions.apple.com/thread.jspa?messageID=613316򕯄 followed it and got nothing.
So, what should I do?
PS, and this is very important. I have tried to use the ethernet on my LAN to transfer files as well, but get the same speeds. But from my pc to mac, it flows like normal I.E 8-10MBs.
Well, in Netstat>Display Comprehensive Network Statistics for eac Protocol, the first one should be TCP:, and should look something like this...
tcp:
3371399 packets sent
807507 data packets (593976003 bytes)
18944 data packets (16877557 bytes) retransmitted
1 resend initiated by MTU discovery
2373294 ack-only packets (4 delayed)
0 URG only packets
32 window probe packets
33802 window update packets
137834 control packets
3103297 packets received
639050 acks (for 593661354 bytes)
64836 duplicate acks
0 acks for unsent data
2256151 packets (2648078820 bytes) received in-sequence
10197 completely duplicate packets (9475948 bytes)
137 old duplicate packets
727 packets with some dup. data (330463 bytes duped)
153229 out-of-order packets (187771644 bytes)
0 packets (0 bytes) of data after window
0 window probes
15843 window update packets
568 packets received after close
210 discarded for bad checksums
0 discarded for bad header offset fields
0 discarded because packet too short
104937 connection requests
470 connection accepts
0 bad connection attempts
0 listen queue overflows
37590 connections established (including accepts)
118775 connections closed (including 1322 drops)
745 connections updated cached RTT on close
745 connections updated cached RTT variance on close
106 connections updated cached ssthresh on close
67803 embryonic connections dropped
635781 segments updated rtt (of 665339 attempts)
30918 retransmit timeouts
275 connections dropped by rexmit timeout
37 persist timeouts
0 connections dropped by persist timeout
2828 keepalive timeouts
0 keepalive probes sent
2100 connections dropped by keepalive
166226 correct ACK header predictions
2074205 correct data packet header predictions
Perhaps Info would be easier...
Does it list any Recieve Errors or Collisions?
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Hi coullyhomeip
I am sorry you are having trouble with your broadband. We can not guarantee upload but I will be happy to have a look at this for you and see what we can do.
Could you drop me in an email please? Use the 'contact us' form in my forum profile under the 'about me' section. You can find it by clicking on my username.
Thx
Craig
BTCare Community Mod
If we have asked you to email us with your details, please make sure you are logged in to the forum, otherwise you will not be able to see our ‘Contact Us’ link within our profiles.
We are sorry but we are unable to deal with service/account queries via the private message(PM) function so please don't PM your account info, we need to deal with this via our email account :-)”
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Line state
Connected
Connection time
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Downstream
4,544 Kbps
Upstream
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ADSL settings
VPI/VCI
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Type
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Modulation
ITU-T G.992.5
Latency type
Interleaved
Noise margin (Down/Up)
10.9 dB / 9.0 dB
Line attenuation (Down/Up)
46.0 dB / 31.6 dB
Output power (Down/Up)
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Loss of Framing (Local)
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Loss of Signal (Local)
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Loss of Power (Local)
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FEC Errors (Down/Up)
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CRC Errors (Down/Up)
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HEC Errors (Down/Up)
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FAQ
1. Best Effort Test: -provides background information.
Download Speed
1.11 Mbps
0 Kbps
4 Mbps
Max Achievable Speed
Download speedachieved during the test was - 1.11 Mbps
For your connection, the acceptable range of speeds is 1.2 Mbps-4 Mbps.
IP Profile for your line is - 4.01 Mbps
2. Upstream Test: -provides background information.
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44 Kbps
0 Kbps
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Max Achievable Speed
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Additional Information:
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Hi,
I have 2 SUN 4270 M2 servers connected with Nexus 5548 switch over 10Gb fiber card. I am getting performance of just 60 MB per second while transfer of 5Gb file across 2 servers. The similar speed i use to get on 1Gb network also. Please suggest how to improve the tranfer speed. On servers, ports ET4 and ETH5 are bonded in bond0 with mode=1. The server envrionment will be used for OVS 2.2.2.
Below are the details of network configuration on server. I quick help will be highly appriciated--
[root@host1 network-scripts]# ifconfig eth4
eth4 Link encap:Ethernet HWaddr 90:E2:BA:0E:22:4C
UP BROADCAST RUNNING SLAVE MULTICAST MTU:9000 Metric:1
RX packets:5648589 errors:215 dropped:0 overruns:0 frame:215
TX packets:3741680 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2492781394 (2.3 GiB) TX bytes:3911207623 (3.6 GiB)
[root@host1 network-scripts]# ifconfig eth5
eth5 Link encap:Ethernet HWaddr 90:E2:BA:0E:22:4C
UP BROADCAST RUNNING SLAVE MULTICAST MTU:9000 Metric:1
RX packets:52961 errors:215 dropped:0 overruns:0 frame:215
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3916644 (3.7 MiB) TX bytes:0 (0.0 b)
[root@host1 network-scripts]# ethtool eth4
Settings for eth4:
Supported ports: [ FIBRE ]
Supported link modes: 1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 1000baseT/Full
10000baseT/Full
Advertised auto-negotiation: Yes
Speed: 10000Mb/s
Duplex: Full
Port: FIBRE
PHYAD: 0
Transceiver: external
Auto-negotiation: on
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000007 (7)
Link detected: yes
[root@host1 network-scripts]# ethtool eth5
Settings for eth5:
Supported ports: [ FIBRE ]
Supported link modes: 1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 1000baseT/Full
10000baseT/Full
Advertised auto-negotiation: Yes
Speed: 10000Mb/s
Duplex: Full
Port: FIBRE
PHYAD: 0
Transceiver: external
Auto-negotiation: on
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000007 (7)
Link detected: yes
[root@host1 network-scripts]#
[root@host1 network-scripts]# cat /proc/net/bonding/bond0
Ethernet Channel Bonding Driver: v3.2.4 (January 28, 2008)
Bonding Mode: fault-tolerance (active-backup)
Primary Slave: None
Currently Active Slave: eth4
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0
Slave Interface: eth4
MII Status: up
Link Failure Count: 0
Permanent HW addr: 90:e2:ba:0e:22:4c
Slave Interface: eth5
MII Status: up
Link Failure Count: 0
Permanent HW addr: 90:e2:ba:0e:22:4d
[root@host1 network-scripts]# modinfo ixgbe | grep ver
filename: /lib/modules/2.6.18-128.2.1.4.44.el5xen/kernel/drivers/net/ixgbe/ixgbe.ko
version: 3.9.17-NAPI
description: Intel(R) 10 Gigabit PCI Express Network Driver
srcversion: 31C6EB13C4FA6749DF3BDF5
vermagic: 2.6.18-128.2.1.4.44.el5xen SMP mod_unload Xen 686 REGPARM 4KSTACKS gcc-4.1
[root@host1 network-scripts]#brctl show
bridge name bridge id STP enabled interfaces
vlan301 8000.90e2ba0e224c no bond0.301
vlan302 8000.90e2ba0e224c no vif1.0
bond0.302
vlan303 8000.90e2ba0e224c no bond0.303
vlan304 8000.90e2ba0e224c no bond0.304
[root@host2 test]# ifconfig eth5
eth5 Link encap:Ethernet HWaddr 90:E2:BA:0F:C3:15
UP BROADCAST RUNNING SLAVE MULTICAST MTU:9000 Metric:1
RX packets:4416730 errors:215 dropped:0 overruns:0 frame:215
TX packets:2617152 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:190977431 (182.1 MiB) TX bytes:3114347186 (2.9 GiB)
[root@host2 network-scripts]# ifconfig eth4
eth4 Link encap:Ethernet HWaddr 90:E2:BA:0F:C3:15
UP BROADCAST RUNNING SLAVE MULTICAST MTU:9000 Metric:1
RX packets:28616 errors:3 dropped:0 overruns:0 frame:3
TX packets:424 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:4982317 (4.7 MiB) TX bytes:80029 (78.1 KiB)
[root@host2 test]#
[root@host2 network-scripts]# ethtool eth4
Settings for eth4:
Supported ports: [ FIBRE ]
Supported link modes: 1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 1000baseT/Full
10000baseT/Full
Advertised auto-negotiation: Yes
Speed: 10000Mb/s
Duplex: Full
Port: FIBRE
PHYAD: 0
Transceiver: external
Auto-negotiation: on
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000007 (7)
Link detected: yes
[root@host2 test]# ethtool eth5
Settings for eth5:
Supported ports: [ FIBRE ]
Supported link modes: 1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 1000baseT/Full
10000baseT/Full
Advertised auto-negotiation: Yes
Speed: 10000Mb/s
Duplex: Full
Port: FIBRE
PHYAD: 0
Transceiver: external
Auto-negotiation: on
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000007 (7)
Link detected: yes
[root@host2 network-scripts]# cat /proc/net/bonding/bond0
Ethernet Channel Bonding Driver: v3.2.4 (January 28, 2008)
Bonding Mode: fault-tolerance (active-backup)
Primary Slave: None
Currently Active Slave: eth5
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0
Slave Interface: eth5
MII Status: up
Link Failure Count: 0
Permanent HW addr: 90:e2:ba:0f:c3:14
Slave Interface: eth4
MII Status: up
Link Failure Count: 0
Permanent HW addr: 90:e2:ba:0f:c3:15
[root@host2 network-scripts]# modinfo ixgbe | grep ver
filename: /lib/modules/2.6.18-128.2.1.4.44.el5xen/kernel/drivers/net/ixgbe/ixgbe.ko
version: 3.9.17-NAPI
description: Intel(R) 10 Gigabit PCI Express Network Driver
srcversion: 31C6EB13C4FA6749DF3BDF5
vermagic: 2.6.18-128.2.1.4.44.el5xen SMP mod_unload Xen 686 REGPARM 4KSTACKS gcc-4.1
[root@host2 network-scripts]#brctl show
bridge name bridge id STP enabled interfaces
vlan301 8000.90e2ba0fc315 no bond0.301
vlan302 8000.90e2ba0fc315 no bond0.302
vlan303 8000.90e2ba0fc315 no bond0.303
vlan304 8000.90e2ba0fc315 no vif1.0
bond0.304
Thanks....
JayHi,
Thanks for reply..but the RX errors count is keep on increasing and the transfer speed between 2 servers are max 60MB/ps on 10GB FC card. Even on storage also, i am getting the same speed when i try to transfer data from server to storage on 10GB FC card. Servers and storage are connected through Nexus 5548 switch.
#ifconfig eth5
eth5 Link encap:Ethernet HWaddr 90:E2:BA:0E:22:4C
UP BROADCAST RUNNING SLAVE MULTICAST MTU:9000 Metric:1
RX packets:21187303 errors:1330 dropped:0 overruns:0 frame:1330
TX packets:17805543 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:624978785 (596.0 MiB) TX bytes:2897603160 (2.6 GiB)
JP -
Very low connection speed.
Hi, I've waited the 10 days since I first got BT Broadband and I wondered about the slow speed I am getting. The speed test says my line is rated for 8mbit (8000kbit) but I only get up to 900kbit connection speed, it was around 600-700kbit for a while but now seems to have settled at 900~kbit. When I ordered the package the line check said I can get between 8 and 15megabit but should expect 8.5.
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ADSL Line Status
Connection information
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Connection time:
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947 Kbps
Upstream:
551 Kbps
ADSL settings
VPI/VCI:
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Type:
PPPoA
Modulation:
G.992.3 Annex A
Latency type:
Fast
Noise margin (Down/Up):
4.1 dB / 5.8 dB
Line attenuation (Down/Up):
75.0 dB / 41.7 dB
Output power (Down/Up):
0.0 dBm / 12.7 dBm
FEC Events (Down/Up):
0 / 0
CRC Events (Down/Up):
3690 / 1011
Loss of Framing (Local/Remote):
0 / 0
Loss of Signal (Local/Remote):
0 / 0
Loss of Power (Local/Remote):
0 / 0
Loss of Link (Remote):
0
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Error Seconds (Local/Remote):
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This Test comprises of Best Effort Test: -provides background information.
Download Speed
763 Kbps
0 Kbps
7150 Kbps
Max Achievable Speed
Download speedachieved during the test was - 763 Kbps
For your connection, the acceptable range of speeds is 2000-7150 Kbps.
IP Profile for your line is - 8000 Kbps
This test was not conclusive and further testing is required.This might be useful for your ISP to investigate the fault.
Note: An Upstream test was not conducted on this line due to a technical issue. If your concern is related to upstream performance then please retry
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Very low network performance (Solaris8)!
I'm using two Solaris8(4/01) PC.
Each PC consists of ASUS CUSL2-M (this mother board is listed in HCL) which has 3Com 3C920 onboard network controller.
I tested the network thoughput between them by the netperf, I got only 2.7M bit per sec!
I also tested following:
Solaris8(3C920) - Solaris8(Intel Pro/100) 2.6Mbps
Solaris8(3C920) - Linux(Dec tulip) 81.2Mbps
What's wrong? Configuration problem? Device failure? Or driver problem?
Anyone tell me the solution, please.
Thanks, yuki.Well, in Netstat>Display Comprehensive Network Statistics for eac Protocol, the first one should be TCP:, and should look something like this...
tcp:
3371399 packets sent
807507 data packets (593976003 bytes)
18944 data packets (16877557 bytes) retransmitted
1 resend initiated by MTU discovery
2373294 ack-only packets (4 delayed)
0 URG only packets
32 window probe packets
33802 window update packets
137834 control packets
3103297 packets received
639050 acks (for 593661354 bytes)
64836 duplicate acks
0 acks for unsent data
2256151 packets (2648078820 bytes) received in-sequence
10197 completely duplicate packets (9475948 bytes)
137 old duplicate packets
727 packets with some dup. data (330463 bytes duped)
153229 out-of-order packets (187771644 bytes)
0 packets (0 bytes) of data after window
0 window probes
15843 window update packets
568 packets received after close
210 discarded for bad checksums
0 discarded for bad header offset fields
0 discarded because packet too short
104937 connection requests
470 connection accepts
0 bad connection attempts
0 listen queue overflows
37590 connections established (including accepts)
118775 connections closed (including 1322 drops)
745 connections updated cached RTT on close
745 connections updated cached RTT variance on close
106 connections updated cached ssthresh on close
67803 embryonic connections dropped
635781 segments updated rtt (of 665339 attempts)
30918 retransmit timeouts
275 connections dropped by rexmit timeout
37 persist timeouts
0 connections dropped by persist timeout
2828 keepalive timeouts
0 keepalive probes sent
2100 connections dropped by keepalive
166226 correct ACK header predictions
2074205 correct data packet header predictions
Perhaps Info would be easier...
Does it list any Recieve Errors or Collisions? -
Hello
I rejoined BT three weeks ago having spent two years with Zen. I was with BT prior to that and had moved to Infinity with sppeds of about 26Mbps - not great but adequate.
Nothing changed when I moved to Zen. Obviously the cabling and exchange was the same and no upgrade or modernisation has been carried out. The speed therefore remained the same.
I have had problems though since I moved back to BT with the broadband dropping out regularly. After about 8 calls to India taking up hours of my time and two engineer visits the fault has apparently been rectified.
Quite what was wrong seemed to chamge on a daily basis from a "missing port" in the Excchange to "noise on the line" to a "problem with the cabling on the telegraph pole".
The issue though now is the speed which has dropped to about 9Mbps. This seems bizarre if nothing has changed at the excahnge or with the cabling and is certainly nothiong ner the promised 30Mbps?
Peter AtkinsonI reported the faulot and they are noiw saying that it's the Router.
Bizarrely though I came home at 2 today and the internet is back up and running.
It has got even slower though. It's now just over 8Mbps which is nowehere near what Infinity should be.
I've done the Wholsale Speed Test and it tells me:
Download speed achieved during the test was - 8.25 Mbps
For your connection, the acceptable range of speeds is 6.81 Mbps-8.52 Mbps .
Additional Information:
IP Profile for your line is - 8.52 Mbps
This cannot be right as it reached 27Mbps just over a month ago
2. Upstream Test: -provides background information.
Upload Speed
2.02 Mbps
0 Mbps
20 Mbps
Max Achievable Speed
Upload speed achieved during the test was - 2.02Mbps
Additional Information:
Upstream Rate IP profile on your line is - 20 Mbps -
Very low transfer speed between two internal hdds
My configuration: MSI p55-GD65 with i5, 16GB RAM. My problem is with hdds, I have 5 5400rpm disks + 1 ssd, I know 5400rpm is slower than 7200rpm, but when I am transfering files (hd movies = couple big files), first 4-6GB is ok, but than, speed goes down from 50mbit/s to 8mbit/s.
First thing, try another hdd - nothing changed.
Second thing, format hdd - nothing changed.
Third thing, reinstall win - nothing changed.
Fourth thing, check all hdds with smart - everything ok.
So please, what is your opinion, where is the problem? Mainboard?http://www.tomshardware.com/reviews/samsung-spinpoint-500gb,2347-4.html
That will take you to some benchmarking of a 7200rpm drive hooked to sata III (6 gb per sec)
Keep in mind that you have SATAII (3gb/sec) 5400 rpm
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