Child Item

Site Totals

61431 Questions Answered 270 Categories

fios download speed

Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
SendBufferSize set to [261360]
running 10s outbound test (client to server) . . . . . 25.69Mb/s
running 10s inbound test (server to client) . . . . . . 1.01Mb/s
Information: Network Middlebox is modifying MSS variable
Server IP addresses are preserved End-to-End
Information: Network Address Translation (NAT) box is modifying the Client's IP address
Server says [{edited for privacy}] but Client says [xxx.168.1.5]

Anyone have an idea??? My download speed should be 25.0Mb/s.

I am hard wired.

reset router and ONT.

Sarasota/Tampa test.

Comments

viafax999

Run the optimizer? speedtest.verizon.net

Make sure none of the other machines on the internal network are downloading while you run the speedtest

Using wireless instead of hard wired?

My Send Buffer Size is bigger than yours.

I show on a 25/15 connection

Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
SendBufferSize set to [522720]
running 10s outbound test (client to server) . . . . . 17.85Mb/s
running 10s inbound test (server to client) . . . . . . 30.81Mb/s

and my client is behind several layers of routers while you appear to directly connected to the vz router.

prisaz

What Viafax999 said. You can try to reset your router, but It does not look like a router issue. I would not think it is a PC optimization issue unless you have something bad on your computer. You may need to contact tech support unless you are wireless and not tried a hardwired connection. Make sure you test hardwired.

Broadband Speed Test

Analysis information:

Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
SendBufferSize set to [261360]
running 10s outbound test (client to server) . . . . . 31.49Mb/s
running 10s inbound test (server to client) . . . . . . 42.91Mb/s

------ Client System Details ------
OS data: Name = Windows Vista, Architecture = x86, Version = 6.0
Java data: Vendor = Sun Microsystems Inc., Version = 1.6.0_22

------ Web100 Detailed Analysis ------
Client Receive Window detected at 66792 bytes.
45 Mbps T3/DS3 link found.
Link set to Full Duplex mode
No network congestion discovered.
Good network cable(s) found
Normal duplex operation found.

Web100 reports the Round trip time = 10.2 msec; the Packet size = 1452 Bytes; and
No packet loss - but packets arrived out-of-order 0.01% of the time
This connection is receiver limited 9.62% of the time.
This connection is sender limited 89.87% of the time.
This connection is network limited 0.51% of the time.

Web100 reports TCP negotiated the optional Performance Settings to:
RFC 2018 Selective Acknowledgment: ON
RFC 896 Nagle Algorithm: ON
RFC 3168 Explicit Congestion Notification: OFF
RFC 1323 Time Stamping: OFF
RFC 1323 Window Scaling: ON
Information: Network Middlebox is modifying MSS variable
Server IP addresses are preserved End-to-End
Information: Network Address Translation (NAT) box is modifying the Client's IP address
Server says [xxx.xxx.xxx.xxx] but Client says [192.168.3.201]

Hubrisnxs

Make sure you are hardwired

Make sure you re-run the Verizon Optimizer

Make sure you are testing at http://speedtest.verizon.net

In rare cases you may have to adjust your NIC settings to be 100MB half duplex

To change your NIC to 100 half mode, you can go to start > control panel > network connections (might say network and internet) you will either see your NIC devices, or you will see choose a control panel Icon. if you see choose a control panel icon click on network connections again.

then you should see your NIC devices, double click on your NIC (may say Local area connection 1 or 2)

then go to properties

and on properties you will have a configure button under general. click that

then go to the advanced settings, and under property, look for link speed or duplex mode (you are going to have to hunt around here, because different manufacturers name it different things) switch the setting to 100baseT or 100 mb half duplex (not full duplex)

hit ok, or save and keep hitting ok or save until you get all the way out, and then re-test.

Remember to REBOOT after you make that change, and then test your speed again

If that doesn't work, then do a couple traceroutes, and let us see the results.

danf4

Once again this time on my laptop.wireless.

Verizon.net speed test.

same low download speed.

Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
SendBufferSize set to [261360]
running 10s outbound test (client to server) . . . . . 6.07Mb/s
running 10s inbound test (server to client) . . . . . . 727.23kb/s

------ Client System Details ------
OS data: Name = Windows XP, Architecture = x86, Version = 5.1
Java data: Vendor = Sun Microsystems Inc., Version = 1.6.0_17

------ Web100 Detailed Analysis ------
Client Receive Window detected at 65392 bytes.
10 Mbps Ethernet link found.
Link set to Full Duplex mode
Information: throughput is limited by other network traffic.
Good network cable(s) found
Normal duplex operation found.

Web100 reports the Round trip time = 32.92 msec; the Packet size = 1452 Bytes; and
There were 77 packets retransmitted, 215 duplicate acks received, and 246 SACK blocks received
The connection stalled 8 times due to packet loss
The connection was idle 2.37 seconds (18.23%) of the time
This connection is network limited 98.5% of the time.
Excessive packet loss is impacting your performance, check the auto-negotiate function on your local PC and network switch

Web100 reports TCP negotiated the optional Performance Settings to:
RFC 2018 Selective Acknowledgment: ON
RFC 896 Nagle Algorithm: ON
RFC 3168 Explicit Congestion Notification: OFF
RFC 1323 Time Stamping: OFF
RFC 1323 Window Scaling: OFF
Information: Network Middlebox is modifying MSS variable
Server IP addresses are preserved End-to-End
Information: Network Address Translation (NAT) box is modifying the Client's IP address
Server says [{edited for privacy}] but Client says [192.168.1.2]

somegirl

@danf wrote:

Once again this time on my laptop.wireless.
Verizon.net speed test.
same low download speed.

As stated by various people above, you really should be testing hardwired, not wirelessly. This eliminates wireless interference as a culprit.

KlassiK

I'm having the same problem. Ran the optimizer, I am hardwired, I get slow speeds with wireless also on an ipod so it has nothing to do with the computer. Most likely the router or I am being capped/limited. I set the router to default settings and unplugged for several hours and nothing worked.

This is about the third time it's happened after downloading medium sized games 5-9gb's off steam.

Download Speed: 3031 kbps (378.9 KB/sec transfer rate)
Upload Speed: 23078 kbps (2884.8 KB/sec transfer rate)

jmw1950

If you use the test at ndt.anl.gov, there are tabs for more details and for statistics. Generally there is pretty good information in one or both tabs about where the problem is.

Web100 reports the Round trip time = 133.06 msec; the Packet size = 1452 Bytes; and
There were 114 packets retransmitted, 1120 duplicate acks received, and 1176 SACK blocks received
The connection was idle 0 seconds (0%) of the time
S2C throughput test: Packet queuing detected: 23.71%
This connection is sender limited 48.37% of the time.
This connection is network limited 51.62% of the time.

Web100 reports TCP negotiated the optional Performance Settings to:
RFC 2018 Selective Acknowledgment: ON
RFC 896 Nagle Algorithm: ON
RFC 3168 Explicit Congestion Notification: OFF
RFC 1323 Time Stamping: OFF
RFC 1323 Window Scaling: ON

Client is probably behind a firewall. [Connection to the ephemeral port failed]
Information: Network Middlebox is modifying MSS variable
Server IP addresses are preserved End-to-End

The theoretical network limit is 9.05 Mbps
The NDT server has a 8192.0 KByte buffer which limits the throughput to 961.97 Mbps
Your PC/Workstation has a 1020.0 KByte buffer which limits the throughput to 59.94 Mbps
The network based flow control limits the throughput to 38.71 Mbps

Client Data reports link is 'Ethernet', Client Acks report link is 'Ethernet'
Server Data reports link is 'T3', Server Acks report link is 'T3'

You haven't mentioned if you are running Vista or Windows 7. Both dynamically alter buffer based upon demand, and the defaults are generally much too small for FiOS speeds. My experience with a Windows 7 machine is you often have to run the rest 3 or 4 times to get the maximum performance as Windows 7 increases the buffering available.

If you are not running Windows 7 or Vista, you do need to run the Verizon High speed optimizer to get full speed out of a FiOS connection.

mschauber

I have noticed that over the past 4 weeks, the 35/35 symmetrical service I have has been acting like it's half duplex instead of full duplex. Nothing has changed, but all of sudden if I was downloading at 5MB/s, my uploads had been able to be the same speed, but now I get a total of 5MB/s.

I called VZN and they reset my circuit, which helped for about 6 hours.

I've done all the troubleshooting I can think of. (Resetting router, by passing router, powercycle ONT, use different OSs (Win7, WinXP, Ubuntu 10.04,) ran speedtest from Verizon, speedtest.net, speakeasy.net, optimum online, and a few others.

The problem with these speedtests is they test the upload and download independently. Anyone know of a test that runs both at the same time?

I've run the Verizon optimizer on all computers. I've run basic cable diagnostics on all every patch cable in use. they all come up clean, no shorts, report proper length (BTW, the longest cable I'm using is 35", well under the 100 meter max for a cat5e cable, call cables are cat5e or cat6,) all 4 pairs matched properly.

I have not made any changes to the hardware or network design. I don't use the built in wireless because it's totally inadequate and Verizon won't send ActionTech Rev G routers (that have true N mimo wireless and a gigabit switch built in) to existing customers, only new installs or upgrades to the obnoxiously high priced 100/35 service. I have a Rev F router.

Due to another problem I was having with my DVR port forward becoming disabled all the time, they sent me a new router, but it's a Rev E. So before I switch, I need to see the specs for Rev E and make sure I'm not losing any functionality.

But I don't think it's the router, or solely the router. Because when I bypassed my router (which of course you can only do with the help of tech support because they have to release the dhcp/mac lock they use,) I was still unable to get full speeds up and down simultaneously. The speedtests do, and did when bypassing the router, show proper bandwidth and ping times. But that's no solace when I'm exchanging 100's of gigs of video, audio and graphic files with production companies and like those commercials from not that long ago, they don't want to be sitting there waiting and waiting and waiting. I will regularly need to and receive ~50gb files for editing and review. Up until a month ago, this was no problem.

So, seeing this thread, I'm wondering/guessing that VZN changing some basic bandwidth controls when they rolled out this 100/35 service that has actually taken bandwidth from existing users and maybe even set their mid and core routers to half duplex in order to accommodate the 100 down speeds for these new users (both residential and commercial now.)

I hope I am wrong. And if anyone has any suggestions for me to try, please let me know. VZN determined there was nothing wrong with the circuit or lines to my apartment, but reset it anyway, which, as I mentioned, helped for a few hours. I have removed all extraneous network devices (printers, WAPs, switches) and am only using the 10/100 built in switch. The next thing for me to remove from the network are the computers, but that would kind of make having the service a waste of money. I have, however, been able to run all the tests vzn requested as well as my own diagnostics having been a network engineer for 10 years, with only one device connected and only two Ethernet cables in the router (the one to the ONT and the one to my computer.) All the same results. And I did this with 2 desktops, both quad core i7 with 16gb of ram and two laptops (older but have GB NICs. ) BTW, I have tested various combinations of statically assigning speed/duplex to the NICs as well as the ports on the router. Best results should have been with both router and device set to 100/full duplex. But showed no difference than when set to auto or 100/half duplex. (perplexing, no?)

So as I said, any advice, suggestions would be appreciated and if anyone knows of a reliable speed test site (I live in New York City,) where I can test the symmetry and full duplex, please let me know.

Thanks.

KlassiK

Still getting random speeds, users on another site are having problems as well and all live in Southern california that I read so far. Weird.

Child Item