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Simple Network Question: Part 2
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Re: Simple Network Question: Part 2
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Re: Simple Network Question: Part 2
On Thu, Nov 5, 2009 at 10:06 PM, Dennis Mattingly
< dennismattinglyzzark@...> wrote:
> I have (another) simple question involving my router.
>
> Is this a Linux Bug, or simply a Bad Router?
>
> 1) My internet is perfect (normal setup)
> 2) Plug my computer internet directly into ethernet router
> 3) $ ping 192.168.1.1
> network is unreachable
>
> So, is this my router, do I need to turn-off network manager, Linux bug,
> what next?
>
> Thanks in advance
>
>
Some router (like mine) has a different ip (192.168.1.254)
To discover your router's ip :
$ route
or
Discover all active ip on your network using nmap:
$ nmap -sP 192.168.1.1-254
NB:
Some router has a firewall that block ICMP traffic (pings)
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Re: Simple Network Question: Part 2
On Thu, 2009-11-05 at 22:16 +0100, Athmane Madjoudj wrote:
> On Thu, Nov 5, 2009 at 10:06 PM, Dennis Mattingly
> < dennismattinglyzzark@...> wrote:
> > I have (another) simple question involving my router.
> >
> > Is this a Linux Bug, or simply a Bad Router?
> >
> > 1) My internet is perfect (normal setup)
> > 2) Plug my computer internet directly into ethernet router
> > 3) $ ping 192.168.1.1
> > network is unreachable
> >
> > So, is this my router, do I need to turn-off network manager, Linux bug,
> > what next?
> >
> > Thanks in advance
> >
> >
>
> Some router (like mine) has a different ip (192.168.1.254)
>
> To discover your router's ip :
>
> $ route
>
> or
>
> Discover all active ip on your network using nmap:
> $ nmap -sP 192.168.1.1-254
>
> NB:
> Some router has a firewall that block ICMP traffic (pings)
>
>
> --
> Athmane Madjoudj
>
When it says "Network is Unreachable" I assume this means he has no
route to begin with.. So he may not be able to do the above.
Otherwise it would spit out "Destination Host Unreachable" if it could
get to the network and/or 100% packet loss if the router IP was
different.
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Re: Simple Network Question: Part 2
Dennis Mattingly wrote:
> I have (another) simple question involving my router.
>
> Is this a Linux Bug, or simply a Bad Router?
>
> 1) My internet is perfect (normal setup)
> 2) Plug my computer internet directly into ethernet router
> 3) $ ping 192.168.1.1
> network is unreachable
>
> So, is this my router, do I need to turn-off network manager, Linux bug,
> what next?
>
A lot depends on how you connect to the Internet. If you are
connected directly to the Modem, and have the computer set up to
connect using something like PPPoE, then you have to make a few
modifications when you add in a router between the computer and the
modem. The usual change is to set up the router to do the PPPoE for
you, and then change your computer to use DHCP and turn off the
PPPoE connection.
Another thing to keep in mind is that the network and default
gateway that the computer is set up to use man not give you a route
to the 192.168.1.0 network. For example, my DSL modem defaults to
192.168.0.1. If I were connected to the modem directly, my computer
would be set up to use the 192.168.0.0 network with the gateway
being 192.168.0.1. With the default setup, I would also have to
configure the computer to make the PPPoE connection. But I have the
DSL modem configured to do that, and I have the router configured to
use DHCP to get its WAN IP address.
So, without a lot more information about your setup, it is not
possible to answer your question.
Mikkel
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for thou art crunchy and taste good with Ketchup!
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Re: Simple Network Question: Part 2
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 11/05/2009 03:06 PM, Dennis Mattingly wrote:
> I have (another) simple question involving my router.
>
> Is this a Linux Bug, or simply a Bad Router?
>
> 1) My internet is perfect (normal setup)
> 2) Plug my computer internet directly into ethernet router
> 3) $ ping 192.168.1.1
> network is unreachable
>
> So, is this my router, do I need to turn-off network manager, Linux bug,
> what next?
>
> Thanks in advance
>
What do you get when you type
ifconfig eth0
in a terminal sessino?
How is your card configured, through network or network manager? Are
you set up to use DHCP or do you have a static configuration set?
- --
Steve
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Re: Simple Network Question: Part 2
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 Re: Simple Network Question: Part 2
>On 11/05/2009 03:06 PM, Dennis Mattingly wrote: >> I have (another) simple question involving my router. >> >> Is this a Linux Bug, or simply a Bad Router? >> >> 1) My internet is perfect (normal setup)
>> 2) Plug my computer internet directly into ethernet router >> 3) $ ping 192.168.1.1 >> network is unreachable >> >> So, is this my router, do I need to turn-off network manager, Linux bug,
>> what next?
>>
>> Thanks in advance
>>
>
>What do you get when you type
>
>ifconfig eth0
>
>in a terminal sessino?
>
>How is your card configured, through network or network manager? Are
>you set up to use DHCP or do you have a static configuration set? As requested: I am using standard desktop linux at home. : Standard cable internet provided by COX (or I switch to Verizon soon) at my house
: No wireless, no fancy stuff, just typical home user : Typical DHCP I assume (whatever default Fedora does) : The router is an Encore ENsomenumber, about 1-2 years old : Yes my route table goes blank when I connect router
Also, I noticed after reset-ing the router that all LED lights shine except POWER light, so I think that's just a broken LED. I'm not in front of my computer now, so I can't run ifconfig command yet.
I will run ifconfig asap, but as far as I can remember, it did not fix the problem when I last
attempted it (I believe around mid-June). I've had this issue since February (and Fedora 10). One day my router-setup just didn't work anymore. had to plug directly to wall / cablemodem Thanks for your patience
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Re: Simple Network Question: Part 2
On 06/11/09 12:40, Dennis Mattingly wrote:
>>On 11/05/2009 03:06 PM, Dennis Mattingly wrote:
>>> I have (another) simple question involving my router.
>>>
>>> Is this a Linux Bug, or simply a Bad Router?
>>>
>>> 1) My internet is perfect (normal setup)
>>> 2) Plug my computer internet directly into ethernet router
>>> 3) $ ping 192.168.1.1
>>> network is unreachable
>>>
>>> So, is this my router, do I need to turn-off network manager, Linux bug,
>>> what next?
>>>
>>> Thanks in advance
>>>
>>
>>What do you get when you type
>>
>>ifconfig eth0
>>
>>in a terminal sessino?
>>
>>How is your card configured, through network or network manager? Are
>>you set up to use DHCP or do you have a static configuration set?
>
> As requested:
> I am using standard desktop linux at home.
> : Standard cable internet provided by COX (or I switch to Verizon soon)
> at my house
> : No wireless, no fancy stuff, just typical home user
> : Typical DHCP I assume (whatever default Fedora does)
> : The router is an Encore ENsomenumber, about 1-2 years old
> : Yes my route table goes blank when I connect router
>
> Also, I noticed after reset-ing the router that all LED lights shine
> except POWER light,
> so I think that's just a broken LED.
>
> I'm not in front of my computer now, so I can't run ifconfig command yet.
> I will run ifconfig asap, but as far as I can remember, it did not fix
> the problem when I last
> attempted it (I believe around mid-June).
>
> I've had this issue since February (and Fedora 10).
> One day my router-setup just didn't work anymore. had to plug directly
> to wall / cablemodem
>
> Thanks for your patience
>
you need to configure your router to have both the LAN and WAN side to
use DHCP I suspect. If the LAN side is set to use fixed IP addresses it
won't work. Personally I use fixed IP addresses on the LAN side as this
allows for NFS directory sharing, and configuring the connecting PCs
with fixed IP addresses.
Hope this helps
JB
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Re: Simple Network Question: Part 2
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Re: Simple Network Question: Part 2
>> I've had this issue since February (and Fedora 10). >> One day my router-setup just didn't work anymore. had to plug directly >> to wall / cablemodem >> > >Could your router have malfunctioned? Can you test it with any other PC
>to verify? > >This makes it sound like a hardware error.. does your NIC link show >green when it is plugged into the router? UPDATED I found a Windows machine, and was unable to connect to the router.
All LED lights show normal, but I'm going to call this a hardware issue soon. I can't even get to "configuration screen" of router. Firefox, IE 7, etc... I can't get to router IP address.
All I can do is press the reset button on it, and I still can't configure it. Do I have to use static-IP address to reach router? I'm still using DHCP. So my last questions would be: "Am I required to use Static IP address just to configure a router (via IP address)"?
"Do I need any gateway settings / subnet / etc... just to access the router's IP address?" I believe the answers above are No (Please correct me if I'm wrong). So I finally think it's a hardware issue.
Thanks for all the input.
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Re: Simple Network Question: Part 2
On Sun, 2009-11-08 at 17:14 -0500, Dennis Mattingly wrote:
> >> I've had this issue since February (and Fedora 10).
> >> One day my router-setup just didn't work anymore. had to plug
> directly
> >> to wall / cablemodem
> >>
> >
> >Could your router have malfunctioned? Can you test it with any other
> PC
> >to verify?
> >
> >This makes it sound like a hardware error.. does your NIC link show
> >green when it is plugged into the router?
>
> UPDATED
> I found a Windows machine, and was unable to connect to the router.
> All LED lights show normal, but I'm going to call this a hardware
> issue soon.
>
> I can't even get to "configuration screen" of router.
> Firefox, IE 7, etc... I can't get to router IP address.
> All I can do is press the reset button on it, and I still can't
> configure it.
>
> Do I have to use static-IP address to reach router?
> I'm still using DHCP.
>
> So my last questions would be:
> "Am I required to use Static IP address just to configure a router
> (via IP address)"?
> "Do I need any gateway settings / subnet / etc... just to access the
> router's IP address?"
>
> I believe the answers above are No (Please correct me if I'm wrong).
> So I finally think it's a hardware issue.
>
> Thanks for all the input.
Routers normally have their own static addresses (different for
different router companies) which allows you access their configuration
interface.
>
>
> onfigcuration scc
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Re: Simple Network Question: Part 2
On Sun, Nov 08, 2009 at 05:14:39PM -0500, Dennis Mattingly wrote:
> Do I have to use static-IP address to reach router?
> I'm still using DHCP.
> ...
> So my last questions would be:
> "Am I required to use Static IP address just to configure a router (via IP
> address)"?
> "Do I need any gateway settings / subnet / etc... just to access the
> router's IP address?"
IF the router is set up with DHCP, you *should* get an IP address.
Under Windows, from a command prompt run the command "ipconfig /all".
Under Linux, run the CLI command "ifconfig". In either case, look for
your IP address, and the gateway IP address. If both are set, try to
run a browser connecting to the gateway.
However, if DHCP has been disabled, or something strange is going
on, yes, you want a static address. Most routers are either in the
192.168.1.0 or 192.168.0.0, with some (notably WatchGuard) different,
e.g., 192.168.111.0.
Look up your router either at the manufacturer's site, or on the
Internet. If you can't find the doccos, try the followin static address
configurations:
IP Netmask Gateway
192.168.1.100 255.255.255.0 192.168.1.1
192.168.1.100 255.255.255.0 192.168.1.254
192.168.0.100 255.255.255.0 192.168.0.1
192.168.0.100 255.255.255.0 192.168.0.254
DNS typically won't matter for this. For each, try connecting to the
gateway address with your browser.
Cheers,
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Dave Ihnat
dihnat@...
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Re: Simple Network Question: Part 2
>> So I finally think it's a hardware issue.
>>
>> Thanks for all the input.
>Routers normally have their own static addresses (different for
>different router companies) which allows you access their configuration >interface. Some network-admins at my job examined the router and it looks like a hardware issue. Not only did they confirm the LED lights are very dim, but they couldn't detect the router using any hardware / OS / computer / network cable.
So thanks again all for your help. I'll go to Microcenter soon and purchase a nice new LinkSys router. I heard someone mention NFS and static-IP addresses. So I'll start playing in that ballpark and see how far I can go.
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Re: Simple Network Question: Part 2
On Mon, 2009-11-09 at 14:17 -0500, Dennis Mattingly wrote:
> >> So I finally think it's a hardware issue.
> >>
> >> Thanks for all the input.
> >Routers normally have their own static addresses (different for
> >different router companies) which allows you access their
> configuration
> >interface.
>
> Some network-admins at my job examined the router and it looks like a
> hardware issue.
> Not only did they confirm the LED lights are very dim, but they
> couldn't detect the router using any hardware / OS / computer /
> network cable.
>
> So thanks again all for your help.
> I'll go to Microcenter soon and purchase a nice new LinkSys router.
>
> I heard someone mention NFS and static-IP addresses.
> So I'll start playing in that ballpark and see how far I can go.
> --
Cool. In most routers you can set where the DHCP scope starts so when
you create a server (for NFS or whatever else you want) just give it a
static IP outside of the DHCP scope.
For example, a router has an IP of 192.168.1.1 gives a scope of
192.168.1.100 to 192.168.1.200.
You can use any IP from 192.168.1.2 through 192.168.1.99 and
192.168.1.201 through 192.168.1.254.
The gateway would be 192.168.1.1 for this router setup (coincidentally
the same as most Linksys routers). The documentation that comes with the
router will tell you what to do, don't bother using the CD but power it
up, plug in your modem and connect a PC to it and set the PC to use
DHCP. You will then be able to access the router and set it up that way.
After which you can google for "linksys DHCP scope" and should get lots
of info that way.
Good luck!
PS. I have had a lot of Linksys equipment die on me, for a pretty solid
router I would go for the Dlink DIR-655 extreme, 4 x gigabit switch is
integrated and it is around $120 CAD.
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Re: Simple Network Question: Part 2
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Re: Simple Network Question: Part 2
On Wed, 2009-11-11 at 01:28 +1030, Tim wrote:
> On Mon, 2009-11-09 at 15:11 -0500, Tait Clarridge wrote:
> > for a pretty solid router I would go for the Dlink DIR-655 extreme
>
> Have they improved their interface in recent years? The DLink I bought,
> a year or so ago, has the most awful web interface to use. A friend's
> Netgear was a lot better.
>
>
I believe they have, at least I do not have any issues with navigating
the web interface now. Everything seems to be in the right place and it
"looks" modern compared to the Linksys I used to have (although looks
rarely matter if it doesn't work properly).
If you download the manual for the router I'm sure it will give you a
glimpse of the features/web interface.
If you don't require wireless there are some other options out there
that may be cheaper and just as good. Netgear probably have some good
offerings here.
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Re: Simple Network Question: Part 2
On 09/11/09 19:17, Dennis Mattingly wrote:
>>> So I finally think it's a hardware issue.
>>>
>>> Thanks for all the input.
>>Routers normally have their own static addresses (different for
>>different router companies) which allows you access their configuration
>>interface.
>
> Some network-admins at my job examined the router and it looks like a
> hardware issue.
> Not only did they confirm the LED lights are very dim, but they couldn't
> detect the router using any hardware / OS / computer / network cable.
>
> So thanks again all for your help.
> I'll go to Microcenter soon and purchase a nice new LinkSys router.
>
> I heard someone mention NFS and static-IP addresses.
> So I'll start playing in that ballpark and see how far I can go.
>
I'm using a wired Edimax router and it works reliably, but it does use
good old reliable Linux code, as do I. It defaults to both LAN and WAN
being set to DHCP, but is not difficult to reconfigure, I now have fixed
IP for the LAN.
JB
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