arieljavier
join:2008-11-03
Philippines
|  [HELP] Help with CISCO 1801 router
Hello everyone, I'm seeking for technical assistance any kind of help is highly appreciated. thank you in advanced.
here is our situation:
we have dsl internet with 5 public ip address, i allocated one for our web and email server and one for sharing the internet using the untangle network gateway.
honestly i'm now trying to learn the cisco equipment  and i requested to purchase a cisco 1801 router to replace the untangle network gateway luckily they granted my request.
here is the problem, i am familiar with linksys, dlink and other soho router its my first time to use a cisco and i cannot find a way to use it with our existing internet connection.
this cisco have the following port 1 adslopots, 1 isdn s/t, 8 port switch and fe0 .
i tried to use the sdm bundled in this router but i cannot figure it out.
i call our internet provider and asked them i can i used the router adsl o pots for the internet they say no
initially i just want to use one of the public ip i have in this cisco1801 router to share the internet.
i know i sound dumb but please any technical assistance is appreciated.
thank you again |
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Da Geek Kid
join:2003-10-11
Mclean, VA | it seems that you would need to use the ISPs ADSL modem to get going... you would than use one of the ethernet interfaces to route out the traffic |
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kamikatze
join:2007-11-02 | reply to arieljavier
First of all what kind of service is providing your Internet access, if it's not ADSL over analog lines? What modem are you using now to terminate the ADSL connection? |
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arieljavier
join:2008-11-03
Philippines
| reply to Da Geek Kid
said by Da Geek Kid  :it seems that you would need to use the ISPs ADSL modem to get going... you would than use one of the ethernet interfaces to route out the traffic i think so Sir, here is my idea, can i use the f0 assign an public ip address and route to the modem of the isps adsl? |
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arieljavier
join:2008-11-03
Philippines | reply to kamikatze
its adsl over ppoa, the problem i encounter is the isp doesnt want me to replace their adsl modem |
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arieljavier
join:2008-11-03
Philippines
| reply to arieljavier
i managed to set a public ip on the router and i ask somefriend outside to ping it and they succesfully ping it.
sorry i newbie in cisco equipment but everynight my mind is trying to digest the video tutorial of cisco so i will know what is the solution.
thank you all for your attention |
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TomS_
debugger it
Premium,MVM
join:2002-07-19
Australia
| reply to arieljavier
said by arieljavier :its adsl over ppoa, the problem i encounter is the isp doesnt want me to replace their adsl modem ADSL doesnt operate over PPPoA. PPPoA is "PPP over ATM", and ADSL uses ATM to transport data from end to end.
Do you know what mode your ADSL service operates in? Do you know if it is "bridged" mode (RFC 1483", or do you need a username and password to login to your ISP (PPPoA or PPPoE)? You should be able to confirm this by looking at the configuration of your current modem/router.
The ISP probably doesnt want you to replace their modem because their staff are familiar with it, and if you need help they will be able to help, whereas once you replace it with the Cisco they may no longer provide support for you while the Cisco is on the line. But thats no big deal, if you have issues with your line you simply swap out the Cisco for the original modem and they are none the wiser.
Once we know what mode your current modem/router is in its much easier to point you in the right direction for configuration of your Cisco. |
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arieljavier
join:2008-11-03
Philippines | thank you sir i will ask them tomorrow.
thank you again |
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F430
@cox.net
| reply to TomS_
quote:
ADSL doesnt operate over PPPoA.
You got that wrong. Just ask any Qwest user. Qwest is beginning to switch to PPPoE but still use mostly PPPoA.
Please don't make statements like this unless you really know it is true. |
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TomS_
debugger it
Premium,MVM
join:2002-07-19
Australia
| said by F430 : quote:
ADSL doesnt operate over PPPoA.
You got that wrong. Just ask any Qwest user. Qwest is beginning to switch to PPPoE but still use mostly PPPoA. Please don't make statements like this unless you really know it is true. Umm, ok...
Just what are you talking about?
I think you have turned ADSL on its head and have everything mixed up... |
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rummyse
join:2008-04-19
| reply to F430
said by F430 : quote:
ADSL doesnt operate over PPPoA.
You got that wrong. Just ask any Qwest user. Qwest is beginning to switch to PPPoE but still use mostly PPPoA. I'm sorry, but you appear to be mistaken.
ADSL does NOT operate over PPP of any kind. ADSL does, as TomS_ pointed out, operate over ATM.
PPP is simply a form of encapsulation that runs on top of the ADSL circuit. PPPoE or PPPoA is not required to run ADSL at all.
Please don't correct people unless you know what you are talking about. |
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kamikatze
join:2007-11-02 | reply to F430
Actually TomS_ is right. PPP operates over something. ADSL is more Layer1.5 if you will. You need a working Layer2 link to run PPP over. ADSL provides that. |
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deepblackmag
join:2004-12-27
00000
2 edits | Cant we all just agree that ADSL is a confusing protocol stack to try and shove into the OSI model?
Isnt this PPP over Ethernet over ATM:
Im from sweeden, isnt that wwweeeeeeeeiiiiirrrrddddd? /goldmember
Those silly telecoms will encapsulate anything in anything to provide a cheap product for home users without completely retrofiting their existing infrastructure lol |
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arieljavier
join:2008-11-03
Philippines
| said by deepblackmag :Cant we all just agree that ADSL is a confusing protocol stack to try and shove into the OSI model? Isnt this PPP over Ethernet over ATM: Im from sweeden, isnt that wwweeeeeeeeiiiiirrrrddddd? /goldmember honestly i'm new here and good thing you reply cause im now confuse. thanks.
where can i get an information from different type of connections ATM, ppoe etc |
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deepblackmag
join:2004-12-27
00000
1 edit | Did you have LEGO blocks to play with when you were growing up? The protocols used to provide broadband service like "ADSL" can be SNAPped together (lol ATM pun!) just like legos in a bunch of different ways. Each combination of those protocols can work and provide "adsl" service if the right equipment is sent to the customer (the right horrible little speedstream ADSL modem for example). To use cisco equipment you need to understand how your local service provider is configured, if they are really just PPPOE(oa?) or some bridged PPPOA solution, or something else entirely possible branded under the umbrella of service they are calling DSL these days. Wikipedia is a tolerable source of information for beginners but tends to have its little inaccuracies from time to time, you might start by reading through some of their descriptions and then hit ciscos all encompasing list of ways in which to never configure your ADSL interfaces. |
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TomS_
debugger it
Premium,MVM
join:2002-07-19
Australia
| reply to arieljavier
Have you been on the juice deepblackmag? 
Yes, if you run PPPoE over an ADSL connection it is PPPoEoA ("PPPoE over ATM"), but that wasnt the point. The point was that F430 claimed that I was wrong when I said that ADSL doesnt run over PPPoA. PPP is an encapsulating protocol which is transported via a layer 2 protocol over a physical medium.
The protocols which make up ADSL itself sit in between the physical media (layer 1) and ATM (layer 2). Those protocols are what allow the modem and DSLAM to sync, negotiate transmisson speeds, handle and attempt to correct errors and so forth. They would probably be considered part of layer 1, since this is where the transmission of bits happens, and bits cant be transmitted without both ends agreeing on how that will occur. |
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arieljavier
join:2008-11-03
Philippines | reply to deepblackmag
thank you |
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arieljavier
join:2008-11-03
Philippines | reply to arieljavier
can i just use my f0 to act as the wan port? (just like a small soho equipment like the dlink and liknsys product) |
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TomS_
debugger it
Premium,MVM
join:2002-07-19
Australia
2 edits | Yep, just configure your modem as a bridge, and then configure a PPPoE client on FastEthernet0 of the Cisco. |
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arieljavier
join:2008-11-03
Philippines | just an example sir heheh little one. thank you |
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