


PCs IP Cthe ipconfig /s network intes specified forg parts of Nd / Scenarve ever used tof servers thata website URs DNS server Part 1: RIn Part 1, addressesDNS servbe used in

a lled) P y, and the m ation will use ofīackgrounIf you havnetwork oyou type aYour PCsas the traDNS The infor m s es m onstrate the of 6 b uted s. W ireshark inst a e MAC and I P fault gatewa y e d. e ry using the U exchanges w o u have Inte r c cess, and W a nd record th e e specified de table provid e Respon s a ckets to de m r e N S is a distri b a n IP addres s s erver’s IP a d t agram Proto c etup as does U DP transpo r w ith the name r net access. D N o to a y to the DNS s the User Da t e a session s a d of TCP. DP DN S o nses n Name Syst e s like S Captu r e m (DNS).

D NS Que N S query an d h a DNS ser v ic. This lab as s prompt acce s a tion Inf o d on your loc a N IC), the IP a c ord this infor c ket analysis. Re c s lab with pa c P address d ress C apture D to capture D N unicating wit h e nt is Cisco Publ i m ine a U D m ation s and Resp o s d the Domai n o main name s P C performs e r’s response o nless and do d o not requir e v er by sendi n DNS query a b. This docum e t o Exa m r ation Infor m DNS Queri e UDP Packet y ou have use s er-friendly d o r owser, your P h e DNS serv e P is connecti o r y small and d t h a DNS ser v e xamine the d using Netla b a command C onfigur a / all comman d e rface card ( N r the PC. UD P o nses are ve r m municate wi t W ireshark to e b e complete d a, or XP with PC’s IP C t he ipconfig / s network int e s specified fo r g parts of thi s dress address u lt gateway I P server IP ad d s hark to C u p Wireshark l while comm e d. s ing Wi r e cord a PC’ s s e Wireshar k n alyze Capt u n d / Scena r v e ever used t o f servers tha t a website U R s DNS serve r n sport layer p r ies and resp o b, you will co m Y ou will use W s lab cannot R esources n dows 7, Vist R ecord a you will use t s of your PC’ s v er IP addres s n the followin g IP a d MAC Defa u DNS U se Wire s you will set u s port protoco All rights reserv e eshark t s IP Configu r k to Capture u red DNS or r io t he Internet, y t translates u s R L into your b r query and t h p rotocol. Y Note : Thi R equired R 1 PC (Wi n P art 1: R In Part 1, addresse s DNS ser v be used i n P art 2: U In Part 2, UDP tran s d /or its affiliates. © L T O B R P P © 2013 Cisco an d L ab - U s T opology O bjectives Part 1: R e Part 2: U s Part 3: A n B ackgrou n If you ha v network o you type a Your PC’ s as the tra DNS que r In this la b protocol.
