[dba-Tech] Modems

Foote, Chris Chris.Foote at uk.thalesgroup.com
Fri Aug 22 01:49:20 CDT 2003


One minor correction Drew.

If Steven's IP addresses are from the 192.168.0.x block with a subnet mask
of 255.255.255.0, 192.168.0.0 to 255 may well not be useable as this is
subnet zero. The lowest block of addresses will be 192.168.1.1 to
192.168.1.254

Regards!
Chris Foote

> -----Original Message-----
> From: Drew Wutka [mailto:dbatech at wolfwares.com]
> Sent: Thursday, August 21, 2003 7:14 PM
> To: Discussion of Hardware and Software issues
> Subject: Re: [dba-Tech] Modems
> 
> 
> MAC in MAC Address stands for Media Access Control.
> 
> As for your questions.  First, no, a DHCP request will not be 
> sent through a
> router, so it will always stay within a LAN.  In your 
> situation, you are
> probably getting IP Addresses from your cable modem, since it 
> is probably
> running it's own DHCP server.  Are you running ICS (Internet 
> Connection
> Sharing), or are you just plugging all of your machines into 
> the cable mode?
> 
> As far as assigning IP Addresses, look at what is being set 
> by the machines
> that work.  They are probably 192.168.0.x with a subnet of 
> 255.255.255.0.
> To manually set these, you need to go to your network 
> properties, and then
> go into the properties of the TCP/IP protocols.  (The 
> winipcfg just shows
> the current settings, it doesn't let you change them.).
> 
> To view the settings in W2k, from a command prompt, type ipconfig. (or
> ipconfig /all to get more information).
> 
> As far as the pinging goes, I think this is a name resolution 
> issue.  Once
> you have the IP Addresses for both machines, ping them with 
> the -a command
> (forgot to include that in my little article!)
> 
> such as:
> 
> ping -a 192.168.0.4
> 
> When that pings, it will do a reverse resolution, and tell 
> you the computer
> name AND domain name of the machine at 192.168.0.4.  (ie,
> CompA.SomeDomain.net)
> 
> Drew
> 


More information about the dba-Tech mailing list