RE: pppoeconf / Verizon DSL
Original Message:
-----------------
From: Larry de-41@lafn.org
Date: Thu, 17 Jan 2008 17:51:29 -0800
To: debian-user@lists.debian.org
Subject: pppoeconf / Verizon DSL
I've been using Debian with dial-up for about 8 years and it's getting
pretty slow, so I thought I would try DSL. The problem is I have
absolutely no understanding of how DSL works. If I could get a
connection I don't even understand how the browsers, etc. know how to
use it. And this is after reading the docs, searching Google and the
Debian list, etc. Is there a good step by step guide somewhere?
When I run pppoeconf I get: "the Access Concentrator of your provider
did not respond." I have also tried pppoe-setup. At this point, I
really wonder if the modem is even connected to the computer. Is
there a way to check it?
I have no idea what to do next, so any help would be greatly
appreciated.
The following is what I have so far and I know I'm not even close
because Apache, FTP, and Dict no longer work.
Westell 6100 modem DSL2+Router
I have added my password information to chap-secrets
and pap-secrets.
Syslog
-----
eth0: SiS 900 PCI Fast Ethernet at 0xdc00, IRQ 11, 00:d0:09:c9:6d:94
lsmod
-----
pppoe 14528 0
pppox 3720 1 pppoe
sis900 20612 0
/etc/network/interfaces:
auto lo
iface lo inet loopback
iface eth0 inet dhcp
auto dsl-provider
iface dsl-provider inet ppp
provider dsl-provider
pre-up /sbin/ifconfig eth0 up # line maintained by pppoeconf
lotek:~# ifup eth0
Internet Software Consortium DHCP Client 2.0pl5
ppp0: unknown hardware address type 512
ppp1: unknown hardware address type 512
sit0: unknown hardware address type 776
ppp0: unknown hardware address type 512
ppp1: unknown hardware address type 512
sit0: unknown hardware address type 776
Listening on LPF/eth0/00:18:3a:f7:c4:14
Sending on LPF/eth0/00:18:3a:f7:c4:14
Sending on Socket/fallback/fallback-net
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPACK from 192.168.1.1
bound to 192.168.1.47 -- renewal in 43200 seconds.
lotek:~# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:18:3A:F7:C4:14
inet addr:192.168.1.47 Bcast:255.255.255.255 Mask:255.255.255.0
inet6 addr: fe80::218:3aff:fef7:c414/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:12088 errors:0 dropped:0 overruns:0 frame:0
TX packets:150 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:725852 (708.8 KiB) TX bytes:8530 (8.3 KiB)
Interrupt:11 Base address:0xdc00
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
LOOPBACK MTU:16436 Metric:1
RX packets:1718 errors:0 dropped:0 overruns:0 frame:0
TX packets:1718 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:123662 (120.7 KiB) TX bytes:123662 (120.7 KiB)
ppp1 Link encap:Point-to-Point Protocol
POINTOPOINT NOARP MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:3
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
sit0 Link encap:IPv6-in-IPv4
NOARP MTU:1480 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
there are several "versions of DSL". The most common uses what is known as
"discrete multitone modulation". The spectrum of the "cable" is divided
into frequency bins. The bottom-most bin is used for POTS (Plain old
telephone service). The upper bins are divided into several hundred
channels, some of which are used for transmitting-"Upstream" and the rest
are used for receiving-"Downstream". Regularly the downstream channels
exceed the upstream channels giving rise to the term Asymmetric in ADSL.
In each bin the spectrum is used much like that of a conventional modem.
However prior to the transmission of actual data the DSL modem at the
customer's premesis and that at the ISP (usually called a DSLAM) exchange
signals in an attempt to maximize the bit rate in each bin (independently).
Once the bit rate is established control is passed to a higher level
protocol, usually the Point-to Point protocol (PPP) which provides the
connectivity and in some cases authentication (logon) and info exchange
(e.g. DNS, default router). Hope this helps.
Larry
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