introduction Transitioning to IPv6 Quick Learning Module © 2 0 0 8 C i s c o S y s t e m s , I n c . A l l r i g h t s r e s e r v e d . T r a n s i t i o n i n g t o I P v 6 — Welcome to the “T r a n s i ti on i n g to I P v 6 ” Q u i ck L ea r n i n g M od u le. Q u i ck L ea r n i n g M od u les a r e b y te s i ! ed chu n k s o" lea r n i n g tha t e# $ la i n the $ u r $ os e% o$ er a ti on % a n d con " i g u r a ti on o" & i s co techn olog y " ea tu r es . T hi s con ten t i s d es i g n ed to s u $ $ lemen t y ou r lea r n i n g e# $ er i en ce a n d e# a m $ r e$ a r a ti on . I t i s n ot mea n t to r e$ la ce a n y i n cla s s r oom tr a i n i n g or on li n e lea r n i n g mod u les . We ho$ e tha t y ou en ' oy thi s tr a i n i n g . 1 Objectives Upon completing this module, you should be able to ex plain the f or mat of I P v er sion 6 ( I P v 6 ) addr esses and the components that ar e r eq uir ed to r un I P v 6 , ex plain the impact of I P v 6 on netw or r outing, and conf igur e basic I P v 6 par ameter s! " hese abilities include being able to meet these ob# ectiv es$ Explain the need for IPv6 D es c rib e the form at of the IPv6 addres s Explain the m ethods that are u s ed to as s ig n an IPv6 addres s Explain how IPv6 affec ts c om m on rou ting protoc ols and the nec es s ary m odific ations that y ou need to m ak e to thes e protoc ols Explain trans ition s trateg ies for im plem enting IPv6 C onfig u re IPv6 w ith R ou ting Inform ation Protoc ol next g eneration R IPng ! throu g h an IP vers ion " IPv" ! netw ork © 20 0 8 C i s c o S y s t e m s , I n c . A l l r i g h t s r e s e r v e d . T r a n s i t i o n i n g t o I P v 6—2 ( $ on com$ leti n g thi s mod u le% y ou s hou ld b e a b le to e# $ la i n the " or ma t o" I P v 6 a d d r es s es a n d the com$ on en ts tha t a r e r e) u i r ed to r u n I P v 6 % e# $ la i n the i m$ a ct o" I P v 6 on n et* or k r ou ti n g % a n d con " i g u r e b a s i c I P v 6 $ a r a meter s . T hes e a b i li ti es i n clu d e b ei n g a b le to meet thes e ob ' ecti v es + ,- # $ la i n the n eed " or I P v 6 ,. es cr i b e the " or ma t o" the I P v 6 a d d r es s ,- # $ la i n the method s tha t a r e u s ed to a s s i g n a n I P v 6 a d d r es s ,- # $ la i n ho* I P v 6 a " " ects common r ou ti n g $ r otocols a n d the n eces s a r y mod i " i ca ti on s y ou n eed to ma k e to thes e $ r otocols ,- # $ la i n tr a n s i ti on s tr a teg i es " or i m$ lemen ti n g I P v 6 ,& on " i g u r e I P v 6 * i th / ou ti n g I n " or ma ti on P r otocol n e# t g en er a ti on 0/ I P n g 1 thr ou g h a n I P v er s i on 2 0I P v 2 1 n et* or k 2 IPv4 and IPv6 Currently, there are approximately 1.3 billion usable IPv4 addresses available. © 2 0 0 8 C i s c o S y s t e m s , I n c . A l l r i g h t s r e s e r v e d . T r a n s i t i o n i n g t o I P v 6 — T he I P v 2 a d d r es s s $ a ce $ r ov i d es a $ $ r o# i ma tely 2 .3 b i lli on a d d r es s es . 4 " tha t a d d r es s s $ a ce% a $ $ r o# i ma tely 3 .5 b i lli on a d d r es s es a r e a ctu a lly a s s i g n a b le6 the other a d d r es s es a r e r es er v ed " or s $ eci a l $ u r $ os es s u ch a s mu lti ca s ti n g % $ r i v a te a d d r es s s $ a ce% loo$ b a ck tes ti n g % a n d r es ea r ch. 7 a s ed on " i g u r es a s o" 8 a n u a r y 9 % : ; ; 5 % a b ou t : .2 b i lli on o" thes e a v a i la b le a d d r es s es a r e cu r r en tly a s s i g n ed to ei ther en d u s er s or I n ter n et s er v i ce $ r ov i d er s 0I < P s 1. T ha t lea v es r ou g hly 9 .3 b i lli on a d d r es s es s ti ll a v a i la b le " r om the I P v 2 a d d r es s s $ a ce. = n I P v 6 a d d r es s i s a 9 : > b i t b i n a r y v a lu e% * hi ch ca n b e d i s $ la y ed a s 3 : he# a d eci ma l d i g i ts % a s s ho* n i n the " i g u r e. I t $ r ov i d es 3 .2 ti mes 9 ; to the 3 > th I P a d d r es s es . T hi s v er s i on o" I P a d d r es s i n g s hou ld $ r ov i d e s u " " i ci en t a d d r es s es " or " u tu r e I n ter n et g r o* th n eed s . I n a d d i ti on to i ts techn i ca l a n d b u s i n es s $ oten ti a l% I P v 6 o" " er s a v i r tu a lly u n li mi ted s u $ $ ly o" I P a d d r es s es . 7 eca u s e o" i ts g en er ou s 9 : > b i t a d d r es s s $ a ce% I P v 6 g en er a tes a v i r tu a lly u n li mi ted s tock o" a d d r es s es ?en ou g h to a lloca te mor e tha n the en ti r e I P v 2 I n ter n et a d d r es s s $ a ce to ev er y on e on the $ la n et. 3 I P v6 A d va n ced F ea tu r es # arg er addres s s pac e % im pler header Global reachability and flexibility R ou ting efficiency A g g reg ation P erform ance and forw arding rate M u ltihom ing " calability A u toconfig u ration N o broadca" t" P lu g -and-p lay N o chec' " u m " E nd-to-end w ithou t N A T E xten" ion header" R enu m bering low label" $ ob ility and s ec u rity & rans ition ric hnes s M obile I P R ! -com p liant ( u al-" tac' m ethod I P " ec m andatory # or nati$ e% & to) and m anu al tu nnel" for I P $ & T ran" lation © 20 0 8 C i s c o S y s t e m s , I n c .