arp Hardware and Software Networking by yieldfried hi everybody im pretty newbie in networking so I have questions is arp a rotocol fpr switches and bridges or is it a protocol for routers cuz as i understand routers is layer 3 it dosent hs to do with mac addresses ARP ARP Programming Software Development by geko.villegas … a fun variation of the English language. The conversion to ARP ARP is carried out as follows: 1. When a vowel or…, i, o, u, or y as in why) is found, arp is placed in front of it. 2. Two or more… final letter of a word, it is only given an arp if it is the only vowel or vowel sound in… ARP keep sending wrong IP address Programming Software Development by triadR …quot;); /* Free the device list */ pcap_freealldevs(alldevs); return -1; } // ARP /* Fill in eth hdr */ memcpy(eth_header.eth_dst, dst_mac, 6); memcpy….eth_src, src_mac, 6); eth_header.eth_type = htons(ETH_ARP); /* Fill in arp hdr */ arp_header.arp_htype = htons(ARP_HARDWARE); arp_header.arp_ptype = htons(ETH_IP); … Re: ARP keep sending wrong IP address Programming Software Development by triadR … problem with the alignment. I think it's a standard arp header struct. when i used it to send packet the… Re: ARP and RARP Hardware and Software Networking by rubberman The names pretty much say it all: ARP == Address Resolution Protocol. RARP == Reverse Address Resolution Protocol. This should help: http://www.differencebetween.com/difference-between-arp-and-vs-rarp/ ARP Cache Hardware and Software Networking by mkjindal03 When i connect my Laptop to the lan area there it is not connected with other computer's. when i go to repair the network setting in win XP Professional then it shows that ARP Cache is not clear that's why it is not connected with the network properily. give me some solution Re: ARP Cache Hardware and Software Networking by nanosani This link may help you : [url]http://www.tech-faq.com/clear-arp-cache.shtml[/url] Arp reply in C help Programming Software Development by coding101 I need help reading my arp replies. When writing requests to the socket, I cant get … ARP and RARP Hardware and Software Networking by davijhon I want to know about the main difference between ARP and RARP ? Thanks in advance Re: NAT-ARP Hardware and Software Networking by yieldfried Arp resolutes mac address into a ip address and nat changes a internal ip address into a public ip mainly for security how to send ARP packets in c++ Programming Software Development by SorCerer I am looking for an arp sender written in c++ with no deps (no libpcap or … sends TCP and UDP fine. So, if anyone has any arp-related code, or some info, please share. Any info on… Re: how to send ARP packets in c++ Programming Software Development by FireNet Now this is a bit OS specific when it comes to raw packet sending.I really dont know if you can manually control ARP packets on a Windows PC (XP,2000,NT [you dont even get raw packet access on other windows vers]). You can find *nix code easily on the net.(try send_arp.c). Using Windows XP,eh? Sending and receiving ARP packets Programming Software Development by varma How to send and receive ARP packets using c or c++. NAT-ARP Hardware and Software Networking by newcountry Which is the difference between NAT and ARP? Re: ARP ARP Programming Software Development by deceptikon > PLEASE PLEASE Please read our rules concerning homework. If you need help with anything specific, ask a specific question. Nobody here will do the work for you. Re: ARP keep sending wrong IP address Programming Software Development by Salem Is sizeof(ARP_HEADER) what you expect? In other words, is padding and alignment an issue? Re: ARP keep sending wrong IP address Programming Software Development by triadR [QUOTE=Salem;646192]Is sizeof(ARP_HEADER) what you expect? In other words, is padding and alignment an issue?[/QUOTE] salem, after i check it again.. yeah, i found that there's something about the arp_header it seems like the type or something.. Re: ARP keep sending wrong IP address Programming Software Development by triadR Finally, i've found the answer... the memcpy(arp_header.arp_sha, src_mac, 6); takes more place than just 6 space of array my suggest is copy it one by one or just find another way... :) Re: ARP and RARP Hardware and Software Networking by davijhon @rubberman thanks, this link is very helpful for me and provide me useful information according to my need. Re: Cannot Clear ARP Cache Hardware and Software Microsoft Windows by redfox2 Any fix on this issue? I am having the same problem but with a 2003 server connected to the internet "cannot clear arp cache" Re: Cannot Clear ARP Cache Hardware and Software Microsoft Windows by amrepc try that command to clear ARP cache c:\>netsh int ip delete arpcache if fail to clear cache , then disable and stop service called " route and remote access " then try again to try clear arpcache and you will success. Re: building an ARP packet Programming Software Development by dougy83 Here's some code from a while ago; it's for tcp packets, but if you change the data it'll be for arp packets. I've also attached someone else's code for the ethernet crc32 calc Re: Cannot Clear ARP Cache Hardware and Software Microsoft Windows by AmCiAn [QUOTE=amrepc;542278]try that command to clear ARP cache c:\>netsh int ip delete arpcache if fail … guys pls help. can you make this program by using c++ programming language. Programming Software Development by bebesilang …fun variation of the English language. The conversion to ARP ARP is carried out as follows: 1. When a vowel…a program which will convert an English sentence into Arp Arp language. Input A string or sentence terminated by the…line character. Output The string or sentence converted to arp arp talk. Input Validation None. The input will always be… Re: how to send ARP packets in c++ Programming Software Development by SorCerer I`m working on win2000. Well it can be done (ettercap has been ported using vmware and libpcap ...) so i guess there is a way. I just need to reach the lowest layer... Thanks, for the linux send_arp.c tip, i`ll take a look. -SorCerer Re: how to send ARP packets in c++ Programming Software Development by FireNet Yea, you can also use wincap, that library provides you with raw packet access and is portable. Re: how to send ARP packets in c++ Programming Software Development by SorCerer Well, after doing some research, i came over this quote : [quote]I don't think you can govern the Ethernet header encapsulation having a raw IP socket. The Ethernet part of the header (inlcuding the protocol ID) will be formed automatically by IP and you will not be able to influence this. You will only be able to form the _IP_ header manually, … Re: how to send ARP packets in c++ Programming Software Development by SorCerer After some more research, i found out that on linux one can use an socket like this fd = socket(AF_INET, SOCK_PACKET, htons(ETH_P_ARP)); but it seems that `SOCK_PACKET` is not supported by windows. Does anyone know an alternative to this that will work on windows 2k ?? -SorCerer Re: Sending and receiving ARP packets Programming Software Development by FireNet That depends on a lot of things like the OS ,your compiler etc. There are a lot of libraries available which you can use on multiple OSs which provide raw packet access for TCP/IP,UDP,ethernet cards etc. Look to [url]http://www.google.com/[/url] for info,downloads Best of luck,you got a lot of reading to do. (Btw,if you use windows look… Re: NAT-ARP Hardware and Software Networking by Docktor D This should help [url]http://answers.yahoo.com/question/index?qid=20081216020518AAB8uTA[/url] If you want more info please post back