![]() take an ip address and resolve it to a hostname. all it does is take a hostname and resolve its ip address. that can be for local lan communication or for external internet communication or for external wan communication. it's for ip address to hostname resolution. they have articles, guides and muc information on netorking concepts.quote:Now why would our Primary Domain controller (Sellers), which is does NOT have access to the internet have an entry into this file?the hosts file is not just for internet access. the book on networking goes over much of the questions you have here and is a good reference for basic concepts.i would also look at CISCO's web site. i'm guessing it's a basic cert like the A+.if you think you will be working in MS environments, you may want to invest in the MS Win2k Server Resource Kit. Quote:First i'd like to say, that i am studying.and reading for my network+ Certification (from scratch).but there are some things that are vague, unclear or not explained much at all in the Sybex book.so thats why im asking questions here, and trying to relate some real world experience to what i'm readinggood, that's the whole point of these forums =)i don't know what network+ certification is. So, is Nbtstat only going to return results if we had once used an older technology (netbios) on our network before employing TCP/IP?Spiff- i appreciated your healthy response-thanks.Any insight would be appreciated.TIA,CJK When they talked about made it sound like WINS is the bridge between the old technology (netbios) and the new(er) technology TCP/IP. ![]() the explanation can be a little confusing at first I've read up on nbtstat, but i still have a question or two on it.Was Netbios used before there was TCP/IP or something? Because thats the way it sounds in the book. read up on NetBios to find out what it is. but NetBEUI is not required for this tool to work. it is used to find out information about NetBios communication. it exists on nt, win2k, and xp systems but is not part of win9x. it can run locally or against remote systems. ![]() Here is whats in my Hosts file:quote: 191.41.X.X SELLERS127.0.0.1 # Added by Norton AntiVirus for e-Mail scanning127.0.0.1 # Added by Norton AntiVirus for e-Mail scanning127.0.0.1 localhost clearwire Now why would our Primary Domain controller (Sellers), which is does NOT have access to the internet have an entry into this file?And why would norton antivirus have an entry of 127.0.0.1 into this file?Also, i see a list of IP's on our LAN in the LMHOSTS file, what is the purpose of these entry's and what kind of games can i play with this file?quote: nbtstat is a diagnostic tool. Hello View image: /infopop/emoticons/icon_smile.gifFirst i'd like to say, that i am studying.and reading for my network+ Certification (from scratch).but there are some things that are vague, unclear or not explained much at all in the Sybex book.so thats why im asking questions here, and trying to relate some real world experience to what i'm reading.No, we're not using token ring-i dont think we ever have.Thats interesting to know that OS/2 can use TCP/IP to authenticate.we were told it couldnt.hmmm. the explanation can be a little confusing at first. And i do have Netbeui installed.hmm.?nbtstat is a diagnostic tool. That being the case, on client systems you would be required to use "NetBEUI" (MS implementation of NetBios) for communication with and authentication to the os/2 pdc.this is unfortunate because it means you have to wade through another layer of fat to shake hands.quote:I tried Nbstat on a win95 machine and it says the command cannot be found. however, it is very possible they are only using NetBios for communication. you're not still on 4/16 token ring are you?!? have problems with the occassional broadcast storm? ugh View image: /infopop/emoticons/icon_wink.gifos/2 could communicate over tcp/ip if the admins wanted to set it up that way. We were told that in order to authenticate with OS2 we would need to use Netbeui, and i'd like to see this for myself.good grief. keeping the "127.0.0.1 localhost" entry in a real "hosts" file would not impact your system or network communications.quote:The reason i ask, is somewhat in depth, but in short: We have an OS2 server within our AS/400 and we use the OS2 as our Primary Domain Controller. "hosts" with no extension would be used for hostname/ip resolution. it is not a "real ip address" for remote is a sample file only and not used by the system. ![]() Quote:quote:- 127.0.0.1 localhost -is in my Hosts.sam file.but thats not its own IP the IP of my workstation is 191.41.x.x.so how is this entry telling my workstation what its IP is?127.0.0.1 is a reserved address for the localhost.
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