Re: Ethernet card: no response to pings

[Jake Morrison <jake_morrison@example.com>]

Hi Brett,

--- Brett Robson <brettr@example.com> wrote:
> 
> Hi I'm new to TLUG, if your interested my self introduction 
> is at the end.
> 
> Short question: what is the (RedHat) daemon that listens to the
> network?

Hmm. I don't know what you mean.

Low-level network connections are handled by the kernel, via a
driver for the network card. 

There is the inetd daemon, though, that listens on behalf of
various programs, starting them up if a connection comes in.

And then there are daemons that handle other things, like mail.

> 
> Long question:
> 
> I've exhausted all the documentation and books that I can find so any
> help is appreciated.

You might try the Network Administrator's Guide, online here:
http://www.linuxdoc.org/guides.html

Or maybe a general Unix administrator's guide. I recommend
the "UNIX System Administration Handbook", by Evi Nemeth, et. al.:
http://www.amazon.com/exec/obidos/ASIN/0130206016/qid=993202960/sr=1-1/ref=sc_b_1/102-1356702-9783358

It covers Linux and a number of other flavors of Unix, including
information on network configuration and troubleshooting, plus
configuration of things like DNS and mail.

> 
> I have a Netgear FA310TX ethernet card installed in an Intel box
> running
> Redhat 7.1, I have a Windows latop trying to talk to it.
> 
> The Linux machine is not responding to pings and cannot ping the
> latop. I've tried the obvious things, but there doesn't seem 
> to be a lot of documentation on getting this working if you 
> run into problems. There is only one net card in the linux 
> and there doesn't seem to be any h/w problems.
> 
> (I've subsituted 11.22 at the beginning of IP)
> The laptops ip num is 11.22.185.249 netmask 255.255.255.0
> The Linux box has ip 11.22.185.248 netmask  255.255.255.0
> 
> netstat -rn gives
> Dest         Gtwy             Genmask
> 127.0.0.1    0.0.0.0          255.255.255.255   UH  ... lo
> 11.22.185.0  0.0.0.0          255.255.255.0     U   ... eth0
> 0.0.0.0      11.22.185.248    0.0.0.0           UG  ... eth0
> 
> I've tried adding this ...
> 11.22.185.0  11.22.185.248    11.22.185.0      UG   ... eth0
> 
> The packets from the laptop seem to be arriving as the RX packets in
> ifconfig increases with each ping I send.

Perhaps the interface is not up. You might try "ifup".
How about giving us the output from "ifconfig -a".

> 
> ----
> Self Intro
> 
> I'm an Aussie, and work at The Yamasa Institute a Japanese school in
> Okazaki, Aichi. My hobby is reading a book.

Nice to meet you (virtually). I am an American living in Taipei, 
Taiwan. I still haven't made it over for a TLUG Nomikai....maybe
someday.

> 
> Brett
> 
> 

Jake

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