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Re: [Gnewsense-dev] Parkes alpha 1

From: r. siddharth
Subject: Re: [Gnewsense-dev] Parkes alpha 1
Date: Wed, 12 Dec 2012 12:41:08 +0530
User-agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/17.0 Thunderbird/17.0

On Tuesday 11 December 2012 09:13 PM, Marek Buras wrote:

Hi Marek Buras,

What kind of connection do you have?

Broadband (ADSL)

What kind of modem it is?

I use a (wired) D-Link Modem + Router (Model no: DSL-2520U). This is hooked to the box's [Ethernet Controller][1] through a RJ45 cable.

[Ethernet Controller][1]: Here is a description of the controller, that I picked from the "lspci -knn" command.

02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd.
RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 02)
        Subsystem: Giga-byte Technology GA-EP45-DS5 Motherboard [1458:e000]
        Kernel driver in use: r8169
        Kernel modules: r8169

FYI, I use Linux-Libre-3.6.8 kernel.

Output of those commands:

What follows is the output of commands, when the modem is tethered to the internet, _after booting the computer_.

Note: The computer was not getting connected to the internet, when these outputs were taken, though the modem's lights suggested that it was, indeed, connected to the Internet.

route -n,

address@hidden:~# route -n
Kernel IP routing table
Destination     Gateway        Genmask     Flags Metric Ref    Use Iface

ifconfig your_iface

address@hidden:~# ifconfig
eth0      Link encap:Ethernet  HWaddr 6c:f0:49:f6:5d:0d
          inet6 addr: fe80::6ef0:49ff:fef6:5d0d/64 Scope:Link
          RX packets:8 errors:0 dropped:0 overruns:0 frame:0
          TX packets:17 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:480 (480.0 B)  TX bytes:3152 (3.0 KiB)

lo        Link encap:Local Loopback
          inet addr:  Mask:
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:8 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:560 (560.0 B)  TX bytes:560 (560.0 B)

I think you should check if you can reach your gateway and primary/secondary
DNS servers (listed in /etc/resolv.conf) too.

address@hidden:~# cat /etc/resolv.conf

Maybe there are some error
messages in /var/log/dmesg related to your modem?

[   68.153997] r8169 0000:02:00.0: eth0: link up
[   68.154025] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   84.870983] r8169 0000:02:00.0: eth0: link down
[   86.535358] r8169 0000:02:00.0: eth0: link up



--> When do the "route -n" command, 5-6minutes after the _modem_ is tethered to the Internet, I get this:

address@hidden:~# route -n
Kernel IP
Destination  Gateway      Genmask         Flags Metric Ref  Use Iface         UG    0      0      0 eth0   U     0      0      0 eth0

Now, my computer is able to connect to the Internet.

--> It takes, the computer, 5-6mins longer to connect to the Internet after the modem has been tethered to the Internet.

What can be done to remove this delay? Is it possible at all?

I thank you.

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