Huduwaque
join:2009-06-20
South Pasadena, CA | reply to Doctor Olds
Re: [Home Networking] DSL out after EL maintenance - bridge mode
Interesting. Thanks. |
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Doctor Olds
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You can setup multiple Routers in a bunch of different ways as long as only "one" Router is handing the PPPoE authentication (all router from that point back in toward the PCs will use either DHCP or Static IP assignment depending on the users preferences and skills) however, that makes opening services to the Internet very complicated and sometimes painful because you have to map though extra Routers that a normal home or small office LAN setup would not have. What most people don't know is that all the ZyXEL P660R DSL Modems from Earthlink are Full Routers and are ready support up to 32 PCs in their Default DHCP settings from Earthlink (you simply supply a port duplicator aka a 10/100 Multi-port Switch to create a LAN.) They are called "2 in 1" devices as they contain a DSL Modem (ADSL2+ support in fact) and a Router all in one case.
On some setups that have only Macs on the LAN there are problems with DHCP because the Macs may not all have individual computer names for the Ethernet so it makes keeping them sorted with DHCP fun as some Routers do not like that even though the MAC IDs are different as it looks like multiple requests from a single PC since they are trying to connect with out a computer name.
A fix is seen here (names in both the "DHCP Client ID" field in the Network Prefpane, and the "Computer Name" in the Sharing Prefpane need to match each other exactly) :
»forums.macosxhints.com/archive/i···507.html.
The reason behind placing the Earthlink Router/Modem into Bridge Mode is to allow the customers extra purchased Router to handle the PPPoE connection instead which gives it the Public IP address and makes any Port Forwarding much simpler to setup since that prevents Double or Triple NAT/NAPT from being a deterrent to opening any servers to the Internet. By keeping it simple, it makes later setup and other changes much easier to implement.
Regards,
Doctor Olds
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Huduwaque
join:2009-06-20
South Pasadena, CA
| reply to Doctor Olds
P.S. to June 22, 2009 posting. My DSL modem is no longer in bridge mode as indicated by the green "Internet" light, as you correctly pointed out on June 14. Nevertheless, the DSL connection is functioning properly with my router, and now with an Apple Airport router working with it. |
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Huduwaque
join:2009-06-20
South Pasadena, CA
| reply to Doctor Olds
The diagnostics were all Mac OS X 10.5.7 system tools, but the readings were not consistent. Now, all is well. I found a fix late last night.
Again, everything was working fine before June 15, then Earthlink did some unspecified system upgrade, and I no longer had a connection thereafter. Like Paunch, I previously set the ZyXEL P-660 (mine was -R ELNK model) DSL modem in bridge mode. Previously, in my computer's network settings, I had manually specified each individual computer's IP address because using DHCP on my LANs would not work. Earthlink techs could not determine the problem in mid-June, even with changing those settings from manual to DHCP. Last night, on my own, I changed the MODEM settings back to Routing mode, changed the Mac OS X network settings to DHCP (which, again, would not consistently function properly before last week if set to DHCP) and then I reset my new N+Belkin wireless router for "Dynamic IP" guided set up, rather than the "PPPoE" setting in the guided set up that Belkin recommended for Earthlink. I cycled the power and everything suddenly worked perfectly.
I think that previously there was some erroneous setting in my Mac OS X network preferences that the Earthlink techs did not know about, and I couldn't find on my own. Belkin's guided set up software apparently cleared that problem, and, then, the other settings Earthlink recommended worked fine. |
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Doctor Olds
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said by Huduwaque  :, I cannot get any Internet connection, but the diagnostics say I am properly connected to the ISP. What diagnostics? NSLookup, Ping, Tracert, Path Ping?
Or something in an Aftermarket Router that says "you are connected" (meaning it is connected to the DSL Modem, but that doesn't mean the Net is reachable) or something in an Earthlink supplied DSL Modem that runs a list of tests?
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What’s the point of owning a supercar if you can’t scare yourself stupid from time to time? |
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Huduwaque
join:2009-06-20
South Pasadena, CA | reply to paunch
I'm not sure you have done anything wrong. I had the same problems you did, but got a singe connection to work earlier today, 6/20/09. Now, I cannot get any Internet connection, but the diagnostics say I am properly connected to the ISP. |
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Doctor Olds
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You set the ZyXEL to Bridge Mode while hooked up to a single PC. Then put the single PC into the Netgear LAN port 1 and the Netgear WAN port into the DSL Modem Ethernet port. Now then you would setup your Netgear to handle PPPoE with only your Earthlink Username (full email address) and Password. All optional fields you leave blank or at their default values like "Service Name", "Host Name, "Domain Name". Finally add custom DNS IPs and Apply the changes.
Here is an example image.
Regards,
Doctor Olds
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What’s the point of owning a supercar if you can’t scare yourself stupid from time to time? |
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paunch
join:2009-05-19
| reply to Doctor Olds
What Browser are you using to set Bridge Mode? IE 7/IE 8 are not compatible with the ZyXEL so it will not work and you have to use Firefox or Opera.
I didn't know that. I was using IE 7 so I downloaded Firefox and setup the ZyXEL P-660R-D1 in bridge mode using the setup wizard as before. Here is the output:
Change To Bridge Mode
Switching to Bridge mode will change the following settings :
Current Internet Settings New Internet Settings
Mode: Routing Mode: Bridge
Encapsulation: PPPoE Encapsulation: RFC 1483
Multiplexing: LLC Multiplexing: LLC
VPI/VCI: 0/35 VPI/VCI: 0/35
This change will also disable the DHCP Server, NAT, and the firewall.
Typically you will change to Bridge mode if you have another routing device on your network (e.g. Wireless Router or VoIP Router) or want to set up Internet directly on your PC.
Click on the"Apply" button to accept these changes.
Click on the"Finish" button to keep your current settings and close the Wizard.
I click "Apply" and the Internet light goes off as expected. I wire in my Netgear WPN824 again and I can't access the Internet. The Internet Port light on the Netgear router remains amber.
The DSL stats in my first post was from when the ZyXEL was in router mode and in this mode without the Netgear router in the picture, things work fine. I think I saw a link explaining how to log into the ZyXEL modem when it's in bridge mode. I can get the stats using this procedure while operating in bridge mode and report them.
I'm sure I'm doing something wrong but I can't figure it out. Thanks again for the help. |
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Doctor Olds
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said by paunch :There was a planned maintenance by EL in our area on Thursday and our Internet has been out ever since. We have a ZyXEL P-660 DSL modem setup in bridge mode with a Netgear WPN824 wireless router handling PPPoE. All of this was working fine until Thursday. The symptom was that the DSL light on the modem was solid green yet the Internet light on the modem was dark. When in Bridge Mode, the Internet LED on the ZyXEL is supposed to be Dark.
said by paunch :I futz'd around with things and eventually tried taking the Netgear out of the picture and resetting the ZyXEL back to factory defaults. From there, with the modem acting as a router, everything works fine so I suspect that my line is okay. But, when I use the setup wizard on the modem and set it up for bridge mode (bridge, RFC 1483, LLC, VPI/VCI 0/35) and reconnect the Netgear I'm back to no Internet connection. What Browser are you using to set Bridge Mode? IE 7/IE 8 are not compatible with the ZyXEL so it will not work and you have to use Firefox or Opera.
»EarthLink DSL FAQ »Zyxel Modem - How to Identify the Correct Model Number
said by paunch :I'm pretty sure my line is okay but just in case, here are my line stats: noise margin upstream: 16 db output power downstream: 6 db attenuation upstream: 31 db noise margin downstream: 16 db output power upstream: 4 db attenuation downstream: 46 db WAN Port Statistics Link Status: Up WAN IP Address: 99.39.14.233
Upstream Speed: 512 kbps
Downstream Speed: 1984 kbpsNode-Link Status TxPkts RxPkts Errors Tx B/s Rx B/s Up Time 1-PPPoE Up 3091 3148 0 2593 7466 0:38:29 LAN Port Statistics Interface Status TxPkts RxPkts Collisions Interface 10965 9340 0 Yes, the ZyXEL Modem/Router is showing a valid Public IP in the Modem, so you should be connected to the Internet and surfing fine, but want to get Bridge Mode properly configured to use a different Router behind the ZyXEL.
»EarthLink DSL FAQ » Zyxel 600 Series - Router Configuration (P-660R Units)
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What’s the point of owning a supercar if you can’t scare yourself stupid from time to time? |
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paunch
join:2009-05-19
| [Home Networking] DSL out after EL maintenance - bridge mode doe
There was a planned maintenance by EL in our area on Thursday and our Internet has been out ever since. We have a ZyXEL P-660 DSL modem setup in bridge mode with a Netgear WPN824 wireless router handling PPPoE. All of this was working fine until Thursday. The symptom was that the DSL light on the modem was solid green yet the Internet light on the modem was dark. I futz'd around with things and eventually tried taking the Netgear out of the picture and resetting the ZyXEL back to factory defaults. From there, with the modem acting as a router, everything works fine so I suspect that my line is okay. But, when I use the setup wizard on the modem and set it up for bridge mode (bridge, RFC 1483, LLC, VPI/VCI 0/35) and reconnect the Netgear I'm back to no Internet connection. I've triple checked the login info and general configuration of the Netgear. I've also tried an old D-Link wireless router without luck.
Anyone with any ideas?
I'm pretty sure my line is okay but just in case, here are my line stats:
noise margin upstream: 16 db
output power downstream: 6 db
attenuation upstream: 31 db
noise margin downstream: 16 db
output power upstream: 4 db
attenuation downstream: 46 db
WAN Port Statistics
Link Status: Up
WAN IP Address: 99.39.14.233
Upstream Speed: 512 kbps
Downstream Speed: 1984 kbps
Node-Link Status TxPkts RxPkts Errors Tx B/s Rx B/s Up Time
1-PPPoE Up 3091 3148 0 2593 7466 0:38:29
LAN Port Statistics
Interface Status TxPkts RxPkts Collisions
Interface 10965 9340 0
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