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Network 101 and FAQ
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10-25-2011 07:55 PM - edited 10-25-2011 08:03 PM
So there are a TON of questions on this forum about the Revue player and networking (both wired and wireless) and I thought I would clarify some things.
FAQ:
On my computer my bandwidth tests show I get more than ___mbps, but on My Revue while using WIFI it is much lower?
Basically The Revue Wireless card has been proven to not be that stable or receive the greatest signal. The best thing to do is run an ethernet connection to the Revue or purchase a Gaming Adapter/Wireless Bridge/Range Extender
Basic Networking Terms:
Basic Components:
Broadband Modem: This is the device that connects directly to your Cable (via coax), DSL (via a phone cord), or in some cases Fiber for those lucky few in the verizon regions that can get FIOS. These can also have a router built in.
Router: This is the device that actually Generates the IP from your ISP assigned to it. It then uses NAT to pass that service on to multiple devices on your home network. This can be integrated with your Broadband Modem as well as having basic Firewall Features.
Firewall: The security guard of your network, this device is used to control access in and out of the network. It is in effect a "list" of what is and inst allowed in and out. For most home users this is integrated into their router.
Wireless Access Point (WAP): An access point provides wireless access to your network. For most users this is integrated into the router, The Revue only operates on the B/G/N bands and only at the 2.4Mhz frequency.
IP Management
:
DHCP Server: This is a service that typically runs on your router or firewall device, it automatically assigns an IP address, Subnet Mask, Gateway, and DNS servers to your device.
DHCP Lease: When a device obtains its settings from a DHCP server, it is issued a Lease, the duration of this lease is configurable on some devices and will typically range from 24hours to 1 week.
Static IP: A 'hard coded' ip set on a device that only changes through manual intervention.
Private/Public IP: A Private IP is not routed across the internet, IANA Has Several Ranges of IP's that are allowed to be used privately. A public IP is one that is routed and reachable via the internet.
10.x.x.x
192.168.x.x
172.16-31.x.x
Other/Advanced:
QoS: Quality of Service can be achieved through multiple methods, in a nut shell it helps police the traffic on your network letting more timesensitive or critical traffic take priority over non critical. A common example would be VOIP traffic which is time sensitive vs a large download which; in this case you want to make sure VOIP is never in contention for bandwidth and takes priority over your large download which can afford to loose a few bytes per second of bandwidth.
DNS: Domain Name System/Service/Server, this is what tells you the IP address of a domain name. Without it, your Devices wouldn't be able to translate Google.com into 74.125.65.106 and take you to the right location
NAT: Network Address Translation is what allows us to have multipule devices on the same network. When Broadband first came out theISP limited the number of Devices that you were allowed to connect with NAT Changed all of this Allowing as Many Devices as we would like. This basically hides your network so anyone on the outside only sees your Public IP then passes the data on to the correct devices.
Wireless Setup and Tweaking:
Seems most people are having issues with Wireless so I will start here. The Revue supports 802.11 B/G/N on wireless networks which operate on the 2.4ghz open band. Wireless N can operate at the 5.0ghz network but the Revue Is only operating at the 2.4ghz network. It supports WEP, WPA-PSK and WPA2-PSK authentication and encryption. WPA2 is highly recommended
Common Problems found on wireless networks:
Make sure if you have a dual band router that on band is set to operate in the 2.4ghz network.
Outdated Firmware: *DISCLAIMER: PLEASE READ ALL WARNINGS AND CAUTIONS BEFORE DOING THIS, I DO NOT WORK FOR Logitech or Google AND YOU ARE RESPONSIBLE FOR ANY THING THAT COULD GO WRONG* First thing you should check is with the manufacturer of your access point or wireless router and see if there is a firmware update available for your device. These can very commonly fix quite a few problems.
Channel Noise: If you live in a dense residential area like apartments, condos, or just a housing development, you may be able to see your neighbors wireless network. Its usually advisable to try and stay on a separate channel from them to avoid interference and noise on your wireless network. The 2.4ghz spectrum used for 802.11 is divided into 13 channels in the US. Each channel is 22mhz wide, and offset by 5mhz to the next channel. Because of this there is overlap on neighboring channels. Channels 1, 6 and 11 are commonly recommended as they have no overlapping frequencies. I would recommend you take the time to look and see which channel the neighboring wireless networks use, and try to find one with the least amount of overlap. If you have a Android Device you can download the WIFI Analyzer and see what channel you should set your WAP to.
Double Nat: This isn't just wireless specific so I will cover it twice. Very commonly people buy a wireless ROUTER and not just an access point. They then attach it to their ISP's provided broadband modem/router and in turn end up NAT'ing their internetconnection twice. This can break all sorts of things and should be avoided. How can you tell? Here are some things to check for:
1) If your wireless access point has a jack labled WAN or INTERNET
, it is probably a wireless access point/router. Infact, most Access Points only have 1 ethernet jack on them. You CAN use a wireless router as just an access point, but you need to first log into it's administration page and turn off all features like DHCP, etc, and then attach it via one of its LAN ports to your wired network and not use the Internet/LAN jack.
2) If your ISP provided DSL/Cable/Fios modem has several LAN ports on it, it is probably also a router.
3) If when you do a traceroute you see multiple private IP's before you see a public IP, you may be double NAT'd. To test this (Make sure you are connecting in the same manor as your player, so if its on wireless, you should be using wireless), in windows, go to start, then run. Type in CMD and click OK. Once at a command prompt type:
CODE: SELECT ALL C:\>tracert moviecontrol.netflix.com
Tracing route to moviecontrol.netflix.com [208.75.76.19] over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 10.1.1.1 <--My Gateway
2 7 ms 7 ms 11 ms 201.12.48.3 <--Public IP
...
21 * * * Request timed out.
22 126 ms 127 ms 125 ms svc-cntr-02.inet.qwest.net [205.171.14.6]
23 126 ms 124 ms 127 ms 66.77.104.138
24 126 ms 125 ms 125 ms 63.236.56.164
25 119 ms 118 ms 120 ms moviecontrol.netflix.com [208.75.76.19]
Trace complete.
What you dont want to see is this:
CODE: SELECT ALL C:\>tracert moviecontrol.netflix.com
Tracing route to moviecontrol.netflix.com [208.75.76.19] over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 10.10.10.1 <--NAT Gateway 1
2 <1 ms <1 ms <1 ms 192.168.1.1 <--NAT Gateway 2 (Oh Noes)
3 7 ms 7 ms 11 ms 201.12.48.3 <--Public IP
...
21 * * * Request timed out.
22 126 ms 127 ms 125 ms svc-cntr-02.inet.qwest.net [205.171.14.6]
23 126 ms 124 ms 127 ms 66.77.104.138
24 126 ms 125 ms 125 ms 63.236.56.164
25 119 ms 118 ms 120 ms moviecontrol.netflix.com [208.75.76.19]
Trace complete. On MAC you would open "Terminal" and type traceroute
Private IP ranges are as follows:
10.x.x.x
192.168.x.x
172.16-31.x.x
Router Setup
There have been a reasonable number of issues that are resolved via changing settings in your router. Alot of these have to do with either DHCP, QoS, Firewall or DNS.
Common Problems found in Router Configuration:
DHCP: The Revue doesn't currently have the option to set a static IP and relies on DHCP(Honeycomb will probably fix this). Make sure your router, or other device, has DHCP enabled. You want your lease time to be between 1 day to 1 week, I typically prefer to use 7 days but its highly debated and honestly not worth the trouble. What you want to avoid is a short lease time, say 1 hour, as it may cause the device to try and renew its lease in the middle of video play and interrupt your experience. Also DHCP Reservation is where you can setup a reservation so that your Revue will always gets the same IP address in case you want to setup special rules in other areas of your firewall.
DNS: I use a program called Namebench DNS to determine the Best DNS Servers. You could be experiencing issues with your ISPs provided DNS servers So give this program a try. DNS settings will typically be found in the DHCP settings or on the router's wan IP settings page.
Link here http://code.google.com/p/namebench/downloads/detai
QoS: For those using a router that supports QoS, make sure it's not throttling or lowering priority for HTTP/HTTPS. Some models of routers will put HTTP/HTTPS traffic over a certain speed into the lowest priority queue and this may interrupt your experience if say your PC kicks off a background update of its OS or Virus scan etc. Alternatively depending on your setup, you may put in a DHCP reservation for your player and set its IP to always be a higher priority.
MTU size: The MTU setting controls the maximum ethernet packet size your PC will send (you did know the Internet works in packets, didn't you?). Why a limit? Because although larger packets can be constructed and sent, your ISP and Internet backbone routers and equipment will chop up (fragment) any packets larger than their limit. These parts are then reassembled by the target equipment before reading. This fragmentation and reassembly is not optimal.
MTU and Windows and Defaults
Unless otherwise set, Windows defaults MTU to 1500, or a lower value of 576 for external networks. 1500 is OK unless you are running PPPoE, want to use IPSec (Secure VPNs) or both, then it's too big. 576 is not efficient for the broadband/Internet; it's too small.
Finding the largest MTU, by EXPERIMENT
If your MTU is too low already, maybe 576, the following method will not be able to detect whether you can switch to an optimal size. So first follow "CHANGING MTU for PPPoE" to reset MTU to 1500, reboot and then come back to this!
The best value for MTU is that value just before your packets get fragmented. How do you find that out? By using Ping at an command prompt.
Windows 2000/XP users:
Go to Start/ Programs/ Accessories/ Command Prompt and type the following:
ping -f -l 1472 www.dslreports.com
(That is a dash lower case "L," not a dash "1." Also note the spaces in between the sections.)
Linux users:
ping -s 1472 www.dslreports.com
OS X users:
ping -D -s 1472 www.dslreports.com
Linux and OS X commands are case sensitive.
Press Enter.
Then reduce 1472 by 10 until you no longer get the "packet needs to be fragmented" error message.
Then increase by 1 until you are 1 less away from getting the "packet need to be fragmented" message again.
Add 28 more to this (since you specified ping packet size, not including IP/ICMP header of 28 bytes), and this is your MaxMTU.
Note:If you can ping through with the number at 1472, you are done! Stop right there. Add 28 and your MaxMTU is 1500.
See this link for further instruction
http://help.expedient.com/broadband/mtu_ping_test.
The Base of this came from the Roku Forums writen by devrdander So if you are in that forum please thank him for this as well
I have updated and changed alot of the info with info more pertinant to the Revue
If anyone has accurate info to add to this thread create a post and update the original post as needed
Please keep any Disscusion on this in its own thread this is for reference only
If you are looking for official Logitech Customer/Technical Support, please >> CLICK HERE <<.
Your Friendly Dish Network Technician
My views don't represent Dish Networks views I am just here to help
___________________________________________________________________________________
Harmony Link, Logitech Revue, Sanyo DP-55441 HDTV, Dish Network Hopper and 3 Joeys,
Sony STR-DA3400ES, Sony BDP-S350 BluRay, Squeezebox Classic, Sony DVP CX875P, Sony iPod dock, Sony PS2, XBOX, Wii. Whats not being controlled by Harmony is a Phast-8 Amp and a Panamax Power Conditioner
Re: Network 101 and FAQ
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11-14-2011 07:34 PM
Interestingly my Revue and Dish VIP922 cannot be connected to the same wired switch as the review will not work. Disconnecting the Revue from the switch and connecting to it wirelessly seems to work fine. There is some conflict between the two boxes but I cannot figure out what it is.
Re: Network 101 and FAQ
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11-14-2011 08:19 PM
bill-e wrote:Interestingly my Revue and Dish VIP922 cannot be connected to the same wired switch as the review will not work. Disconnecting the Revue from the switch and connecting to it wirelessly seems to work fine. There is some conflict between the two boxes but I cannot figure out what it is.
If you ever connect the Revue wirelessly, you'll need to manually disable the wireless network and reboot it. Otherwise, Google TV will place a private network on the Ethernet port. This network was intended to be used as a bridge for the wireless network, so that you can connect your Dish Receiver into it.
If a reply adequately addresses your technical issue, please click on the "Accept as Solution" and "Give Kudos" button so this information can benefit other users via search.
Re: Network 101 and FAQ
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11-15-2011 08:18 AM
Eferzz.
By "reboot it" do you mean the Revue?
I initially hooked it up wired but when I got into the setup and it was trying to download the latest update it couldnt. I had to change it to wireless and it worked.
Since then I've tried to go back to wired and it doesnt work, it will connect to the router but not to the internet.
So you have any suggestions?
Re: Network 101 and FAQ
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11-15-2011 09:53 AM - edited 11-15-2011 09:55 AM
bill-e wrote:Eferzz. So you have any suggestions?
First thing to do is check if the private network is set: GTV Settings > Network > Network Information > Private Network and if it says, "Enabled" then it will not be able to connect to your router and therefore the internet is inaccessible. You'll have to go into the GTV Settings > Network > Wi-Fi > Uncheck the box. Now back out to the Home screen and press [CTR]+[Alt]+[Del] on your Revue's keyboard and plug in the Ethernet cable from your router while you wait for it to boot.
If you're still unable to connect via Ethernet then go to GTV Settings > Network > Network Information and fill out the missing information below from that screen.
IP address:
Local network:
Internet:
Wired network:
Wireless network:
Private network:
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11-15-2011 12:18 PM
thanks for that. I was able to connect to the internet...but my speed was 300k and not 7m. there seems to be some incompatability with the VIP922 because when I remove it from the switch the speed increases to normal.
Weird, I've never seen this before.
Re: Network 101 and FAQ
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11-15-2011 12:23 PM
bill-e wrote:thanks for that. I was able to connect to the internet...but my speed was 300k and not 7m. there seems to be some incompatability with the VIP922 because when I remove it from the switch the speed increases to normal.
Weird, I've never seen this before.
Yeah, you might want to call Dish Network on that. I don't know why that would be unless the Dish Network box is inundating your Internet Connection or Revue.
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Re: Network 101 and FAQ
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11-15-2011 03:07 PM
Any tips with wifi disconnection issues. My Revue requires a reboot to connect to my wifi router again when left connected overnight (usually). The Revue connects to my wifi router without issue after the reboot.
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11-15-2011 03:11 PM
If you are looking for official Logitech Customer/Technical Support, please >> CLICK HERE <<.
Your Friendly Dish Network Technician
My views don't represent Dish Networks views I am just here to help
___________________________________________________________________________________
Harmony Link, Logitech Revue, Sanyo DP-55441 HDTV, Dish Network Hopper and 3 Joeys,
Sony STR-DA3400ES, Sony BDP-S350 BluRay, Squeezebox Classic, Sony DVP CX875P, Sony iPod dock, Sony PS2, XBOX, Wii. Whats not being controlled by Harmony is a Phast-8 Amp and a Panamax Power Conditioner
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11-16-2011 01:57 PM
Hello JonC,
What is the distance between your Wireless Router and the Logitech Revue? Does this disconnect behaviour only takes place only at night? What is the lease rate of your wireless router?
Regards
Kiruban
Logitech Support Specialist
If a reply adequately addresses your technical issue, please click on the "Accept as Solution" and "Give Kudos" button so this information can benefit other users via search.
