ETTx Architecture Design Update

E T T x A r c h ite c tu r e D e s ig n U p d a te A le x a n d e r Y a k h n y c h S y s te m s E n g in e e r o y a k h n y c @ c is c o .c o m S e s s io n N u m b e r P re s e n ta tio n _ ID © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 1 A genda • O v e r v ie w / M a r k e t tr e n d s • E th e r n e t ‘1 0 1 ’ – 8 0 2 .1 d , S T P , V T P • E th e r n e t ‘2 0 1 ’– Q in Q , 8 0 2 .1 w /s • E T T B T e c h n o lo g y – L R E / U T I / L 2 T P V 3 / A to M • F u tu r e D ir e c tio n / C lo s e S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 2 A genda • O v e r v ie w / M a r k e t tr e n d s • E th e r n e t ‘1 0 1 ’ – 8 0 2 .1 d , S T P , V T P • E th e r n e t ‘2 0 1 ’– Q in Q , 8 0 2 .1 w /s • E T T B T e c h n o lo g y – L R E / U T I / L 2 T P V 3 / A to M • F u tu r e D ir e c tio n / C lo s e S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 3 W h y N o w : T h e N e e d fo r B a n d w id th V id e o D o w n lo a d : “ T h e M a tr ix ” - 7 .8 1 G B T ec D ia I S h N L D Minutes 5 L T D / F T T H F a st E 8 , th S s im lo - e tth er net 1 b 8 1 2 1 L k 2 5 V S 6 1 tel l ite A V y / S a C g C A S l o l - up D P no p k k b Mb , 5 Mb 0 p b , 5 0 s Mb 1 p s 8 s p 2 8 , 5 , 1 p s s © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 1 0 3 4 3 a y 1 2 5 4 1 0 0 I ssue . 9 B a B R p . 1 E R N q w c ea . 5 w nd ea U 0 nd a R . 4 2 0 s . 6 1 2 0 D 6 3 9 1 1 1 4 2 ur s 3 5 3 6 o 5 3 , 0 s p 9 H c id th id th / h h / l ink uip ea etw c m ent C o st h o r k C o sts 4 W h y n o w ? E c o n o m ic a n d S ta n d a r d D r iv e r C o s t o f d e liv e r in g b a n d w id th 1 0 0 ,0 0 0 SD H A TM G E $ /P o r t/M b p s /M o n th 1 0 ,0 0 0 1 ,0 0 0 • L A N a p p lic a tio n s 100 • M A N a p p lic a tio n s • W A N a p p lic a tio n s 10 1995 1996 1997 1998 1999 2000 S S Os imU loR -C e Etth: B C R S e p t, 2©02 00 0 01 , Cb isyc o PS yes te r S e v c ik , N e tF o r e c a s t, W a lth a m , M A te m s , In c . A ll r ig h ts r e s e r v e d . 2001 2002 2003 2004 2005 5 W h y N o w ? : F ib r e a v a ila b le in th e F ir s t M ile 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% D S L © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . E es R B F W A N o te : “ R e s t o f W E ” in c lu d e s F in la n d , P o r tu g a l, Ir e la n d , G r e e c e S o u r c e : ID C (J u n e , 2 0 0 1 ) S s im lo - e tth to em D N C a b le fW ar k tr ia A ed S w et he us en d rl an in S pa Ita ly ce Fr an K U G er m an y 0% F ib r e 6 W h y N o w ? : L o w d is r u p tiv e la s t m ile d ig s S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 7 T h e W in n in g c o m b in a tio n fo r R e s id e n tia l In te r n e t C e n tr a l O ffic e L o c a l C o n te n t P r o v id e r s GSR G SR D PT or xW D M orSD H D is tr ib u tio n la y e r C a ta ly s t 6 5 0 0 R e s id e n tia l C PE 1 0 /1 0 0 M b p s to e a c h a p a r tm e n t G ig a b it E th e r n e t L in k s , S X , L X /L H , Z X o n M e tr o F ib e r R in g s A c c e s s la y e r 3 5 0 0 -X L w ith L X /L H , Z X G B IC s SO H O & SM E C P E 1 0 /1 0 0 M b p s W a lk w a y C a ta ly s t 3 5 0 0 X L in th e b a s e m e n t S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 8 E T T x B U S IN E S S s p e c ific r e q u ir e m e n ts • T ra n s p a re n t L A N s u p p o rt • L im ite d e n d to e n d S T P h o p s • A b ility to s u p p o r t S P Q o S m o d e l • V P N s u p p o r t – v a r io u s la y e r 2 a n d 3 • V L A N to V P N m a p p in g • S e r v ic e P r o v is io n in g S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 9 C u r r e n t E T T B A r c h ite c tu r e A c c e s s (L 2 ) 8 0 2 .1 Q D is tr ib u tio n (L 3 ) EoM PLS M P L S -V P N s C o r e (L 3 ) M PLS P D is tr ib u tio n (L 3 ) EoM PLS M P L S -V P N s PE A c c e s s (L 2 ) 8 0 2 .1 Q PE G ig E PoS G ig E PoS D PT G ig E PoS over 1 0 /1 0 0 M b it G ig a b it E th e r n e t VLA N 1 1 0 /1 0 0 M b it G ig a b it E th e r n e t VLA N 1 E n te r p r is e C am pus B E n te r p r is e C am pus A S s im lo - e tth W D M SO N ET © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 10 A genda • O v e r v ie w / M a r k e t tr e n d s • E th e r n e t ‘1 0 1 ’ – 8 0 2 .1 d , S T P , V T P • E th e r n e t ‘2 0 1 ’– Q in Q , 8 0 2 .1 w /s • E T T B T e c h n o lo g y – L R E / U T I / L 2 T P V 3 / A to M • F u tu r e D ir e c tio n / C lo s e S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 11 S p a n n in g T r e e P o r t T y p e s R o o t P o r ts : P o r t w ith L e a s t C o s t P a th to th e R o o t B r id g e 5 0 0 :0 0 0 0 0 0 0 0 0 0 0 1 A R oot 2 1 D P C o re R P D P 1 1 3 2 7 6 8 :0 0 0 0 0 0 0 0 0 0 0 2 D is tr ib u tio n B P eer 2 D e s ig n a te d P o r ts : P o r ts S e le c te d fo r F o rw a r d in g S s im lo - e tth N o n d e s ig n a te d P o r ts : P o r ts in B lo c k in g 3 2 7 6 8 :0 0 0 0 0 0 0 0 0 0 0 3 C P eer 2 D P D P 1 R P N D P D P eer 3 2 7 6 8 :0 0 0 0 0 0 0 0 0 0 0 4 © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . R P 2 D ir e c tio n o f B P D U F lo w 12 IE E E 8 0 2 .1 D C o n v e r g e n c e • R o o t/B lo c k e d P o r t w ill a g e o u t in fo r m a tio n a fte r M ax_A ge seconds • A fte r M a x _ A g e e x p ir e s , p o r t w ill m o v e to lis te n in g fo r F w d _ D e la y s e c o n d s • S a m e th in g fo r L e a r n in g p h a s e • C o n v e r g e n c e fo r B lo c k e d to F o r w a r d in g = M a x A g e + 2 x F w d _ D e la y (5 0 s e c o n d s b y d e fa u lt) • U p o n L in k u p p o r t is fo r w a r d in g a fte r 2 x F w d _ D e la y (3 0 s e c o n d s b y d e fa u lt) S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 13 S p a n n in g T r e e E x te n s io n s • P o r tF a s t fo r a c c e s s p o r ts (L in k 4 ) b y p a s s e s lis te n in g -le a r n in g p h a s e s • U p lin k F a s t fo r d ir e c t r o o t lin k fa ilu r e (L in k 2 )— a b o u t 3 to 5 s e c o n d s c o n v e r g e n c e • B a c k b o n e F a s t fo r in d ir e c t lin k fa ilu r e (L in k 1 )— c u ts c o n v e r g e n c e tim e b y M a x _ A g e seconds4 S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . R oot B r id g e L in k 1 S w -2 F S w -1 F L in k 3 L in k 2 F X S w -3 B A ccess S w itc h L in k 4 14 S p a n n in g T r e e E x te n s io n s (C o n t.) • R o o tG u a r d : p r e v e n ts a n e x te r n a l s w itc h fr o m b e c o m in g r o o t -e n a b le d o n a p e r p o r t b a s is ; if s u p e r io r B P D U is r e c e iv e d , th e p o r t is E r r D is a b le d (s e t s p a n tr e e g u a r d < r o o t|b p d u > < m o d /p o r t> ) • B P D U -G u a r d : E r r D is a b le s a p o r tfa s t n o n -tr u n k p o r t if it r e c e iv e s a B P D U (s e t s p a n tr e e p o r tfa s t b p d u -g u a r d ) S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 15 A v o id L a y e r -2 L o o p s “ If S o m e R e d u n d a n c y Is G o o d , M o r e R e d u n d a n c y Is N O T B e tte r ” • R o o t p la c e m e n t? • F a ilu r e d e te r m in is tic ? • H ow m any b lo c k e d lin k s ? • C o n v e rg e n c e ? • • • • • S s im lo - e tth S V V S E T P d e v ic e lim its - 6 5 0 0 = 4 ,0 0 0 in s ta n c e s T P c a n n o t b e u s e d fo r p r iv a te V L A N s T P s h o u ld b e d is a b le d / V L A N s c o n fig u r e d p e r s w itc h . O N E T / W D M d o n o t n e e d r e d u n d a n c y - r u n p o in t-to -p o in t th e r c h a n n e l a ls o a v o id s S T P © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 16 E lim in a te N e tw o r k -W id e V L A N s • N e tw o r k -w id e V L A N s s o lv e d th e p r o b le m o f “ s lo w ” r o u te r s a n d m o b ility , b u t p o s e s c a la b ility p r o b le m s a n d n o n -d e te r m in is tic b e h a v io r • W ith h a r d w a r e -b a s e d L 3 + s w itc h in g , th e r e is n o p e r fo r m a n c e h it fo r c r o s s in g a la y e r 3 b o u n d a r y a n y m o re • C o n s id e r th e u s e o f L 3 tu n n e llin g fo r L 2 V P N s S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 17 C la s s ic a l S T P d e s ig n V V V V L L L L A A A A N N N N 1 2 3 4 V V V V L L L L A A A A N N N N 5 6 7 8 V V V V L L L L A A A A N N N N 9 10 11 12 V V V V L L L L A A A A N N N N 13 14 15 16 S s im lo - e tth S p a n n in g tr e e p r im a ry r o o t E v e n V L A N s S p a n n in g T r e e s e c o n d a r y r o o t O d d V L A N s E th e r c h a n n e l 8 0 2 .1 Q T r u n k 8 0 2 .1 Q © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . S p a n n in g tr e e p r im a ry r o o t O d d V L A N s S p a n n in g T r e e s e c o n d a r y r o o t E v e n V L A N s 18 G ig a b it R in g s • N c a n b e > 7 !!! C O R E BPD U s U s BPD R oot L a y e r-2 G ig a b it E th e rn e t R in g (N b rid g e s ) • C o n v e r g e n c e is s u e • U p lin k fa s t a n d B a c k b o n e fa s t m ig h t n o t h e lp in a ll c a s e s (o r n o t e v e n s u p p o r te d ) • 8 0 2 .1 w w ill fix c o n v e r g e n c e is s u e s • D is a b lin g S T P is n o t a p r o p e r s o lu tio n VLAN•7 S w itc h X X VLAN 5 S s im lo - e tth M a x _ A g e = (N -1 ) + 3 if H e llo = 1 ; F w d _ d e la y = 4 if n o r m a l 8 0 2 .1 d is used B lo c k e d p o rt © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 19 A genda • O v e r v ie w / M a r k e t tr e n d s • E th e r n e t ‘1 0 1 ’ – 8 0 2 .1 d , S T P , V T P • E th e r n e t ‘2 0 1 ’– Q in Q , 8 0 2 .1 w /s • E T T B T e c h n o lo g y – L R E / U T I / L 2 T P V 3 / A to M • F u tu r e D ir e c tio n / C lo s e S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 20 D o t1 Q T u n n e llin g (F r a m in g – th e r e a l ta x ) DA S A L e n g th /E T Y P E (6 B ) (6 B ) (2 B ) Da ta (0 -1 5 0 0 B ) FC S (4 B ) DA S A E T Y P E Do t1 Q L e n g th /E T Y P E (6 B ) (6 B ) 8 0 0 1 (2 B ) T a g (2 B ) (2 B ) Da ta (0 -1 5 0 0 B ) FC S (4 B ) DA S A E T Y P E Do t1 Q ETYPE Do t1 Q L e n g th /E T Y P E (6 B ) (6 B ) 8 0 0 1 (2 B ) T a g (2 B ) 8 0 0 1 (2 B ) T a g (2 B ) (2 B ) DA S A E T Y P E Do t1 Q L e n g th /E T Y P E (6 B ) (6 B ) 8 0 0 1 (2 B ) T a g (2 B ) (2 B ) DA S A L e n g th /E T Y P E (6 B ) (6 B ) (2 B ) S s im lo - e tth Da ta (0 -1 5 0 0 B ) Da ta (0 -1 5 0 0 B ) Da ta (0 -1 5 0 0 B ) FC S (4 B ) FC S (4 B ) FC S (4 B ) © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 21 P o r t R o le s N EW • R o o t P o rt • A lte r n a te P o r t: o ffe r s a lte r n a te p a th to w a r d s R o o t B r id g e (a s in U p lin k F a s t) • B a c k u p P o r t: b a c k u p fo r th e p a th p r o v id e d b y a D e s ig n a te d P o r t to w a r d s le a v e s • D e s ig n a te d P o r t • A lte r n a te P o r t • B a c k u p P o rt • D is a b le d P o r t S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . (B O T H A R E B L O C K E D PO R TS) 22 P o r t R o le s (c o n t.) R oot R A D B S s im lo - e tth P P P P = = = = R A D B o o t P o rt lte r n a te P o r t e s ig n a te d P o r t a c k u p P o rt © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . R P AP D P BP 23 A g r e e m e n t/P r o p o s a l P ro p A B A g re e • A h a s a b e tte r p r io r ity th a n B • A s e n d s a p r o p o s a l to B to b e c o m e d e s ig n a te d • B c o m p a r e s th e r e c e iv e d p r io r ity a n d r e p lie s w ith a n a g r e e m e n t – B ’s p o r t b e c o m e s R o o t P o r t R oot B C • T h e s a m e p r o c e s s is r e p e a te d w h e n a n e w b r id g e is in s e r te d S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 24 P o r t s ta te tr a n s itio n in g e x a m p le A g re e (5 ) ) 1) (1 (7 al op os ) e (9 Pr e (8 re re al Ag Ag os © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . E d g e P o rt B lo c k (4 ) F o rw a rd (12 ) op S s im lo - e tth Pr B lo c k (3 ) F o rw a rd (10 ) B lo c k (2 ) ) F o rw a rd (6 ) P ro p o s a l (1) 25 In te g r a te d U p lin k F a s t R oot B N e w r o o t p o r t, q u ic k ly m o v e d to fo r w a r d in g C • U p o n d e te c tin g a d ir e c t r o o t lin k fa ilu r e , C is c a p a b le o f im m e d ia te ly s w itc h in g to a n e w r o o t p o r t • N o d u m m y m u ltic a s ts a r e s e n t to u p d a te B ’s C A M ta b le – C g e n e r a te s a T C N w h ic h flu s h e s B ’s C A M ta b le (fo r th a t in s ta n c e ) e x c e p t E d g e / P o r t F a s t P o r ts a n d p o r ts th a t r e c e iv e a T C N • V e r y s im ila r to C is c o ’s U p lin k F a s t m e c h a n is m S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 26 In te g r a te d B a c k b o n e F a s t R oot B In fe r io r B P D U “ I a m th e r o o t” C • B lo s e s its r o o t p o r t a n d s e n d s a B P D U to C c la im in g it is th e r o o t • C im m e d ia te ly b e c o m e s d e s ig n a te d b lo c k in g a n d s e n d s a p r o p o s a l to B to m o v e to fo r w a r d in g A S A P • B r e p lie s w ith a n a g r e e m e n t a n d C m o v e s its p o r t to fo r w a r d in g S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 27 8 0 2 .1 s ☺ ☺ R o o t In s ta n c e 1 R o o t In s ta n c e 2 In s ta n c e 1 In s ta n c e 2 In s ta n c e 2 In s ta n c e 1 F le x ib le lo a d -b a la n c in g C P U o n ly n e e d s to h a n d le 2 S p a n n in g T r e e in s ta n c e s (fo r 2 to p o lo g ie s ) N e w , c o m p le x , in te r o p e r a b ility w ith le g a c y p r o to c o ls In C is c o ’s im p le m e n ta tio n 8 0 2 .1 s a n d 8 0 2 .1 w a r e tig h tly c o u p le d 8 0 2 .1 D a n d 8 0 2 .1 s m ig r a tio n a n d c o e x is te n c e is e x tr e m e ly c o m p le x S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 28 A genda • O v e r v ie w / M a r k e t tr e n d s • E th e r n e t ‘1 0 1 ’ – 8 0 2 .1 d , S T P , V T P • E th e r n e t ‘2 0 1 ’– Q in Q , 8 0 2 .1 w /s • E T T B T e c h n o lo g y – L R E / U T I / L 2 T P V 3 / A to M • F u tu r e D ir e c tio n / C lo s e S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 29 L R E U p d a te S e s s io n N u m b e r P re s e n ta tio n _ ID © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 30 T e c h n o lo g y S o lu tio n : L R E (E th e r n e t o v e r V D S L ) • 5 , 1 0 o r 1 5 M b p s s y m m e tr ic th r o u g h p u t M a p s d ir e c tly to fu ll-d u p le x E th e r n e t • A s y m m e tr ic p u b lic p r o file s C o e x is ts w ith A D S L tr a n s m is s io n in s a m e b in d e r N o t c o m p a tib le w ith T 1 /E 1 tr a n s m is s io n • C o e x is ts w ith P O T S (P la in O ld T e le p h o n e S e r v ic e ) , IS D N (In te g r a te d S e r v ic e s D ig ita l N e tw o r k ) a n d P B X (P r iv a te B r a n c h E x c h a n g e ) o n th e s a m e c o p p e r lo o p • B a s e d o n r o b u s t C a ta ly s t s w itc h in g p la tfo r m S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 31 L R E P e r fo r m a n c e • M a x im u m d is ta n c e o f 1 0 0 0 m @ 1 5 M b it/s to 1 5 0 0 m @ 5 M b it/s • M a x im u m d is ta n c e m a y b e r e d u c e d b y 3 0 % in ty p ic a l in b u ild in g d e p lo y m e n ts w ith b u n d le d te lc o c a b lin g K e y fa c to r s a ffe c tin g p e r fo r m a n c e a r e c r o s s ta lk a n d in te r fe r e n c e a c r o s s w ir e p a ir s • A d d itio n a l u n -te r m in a te d p h o n e lin e s r e d u c e d is ta n c e b y 100 m S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 32 L R E P r o file M o d e s D ow nS tr e a m U p -S tr e a m R each (E s tim a te d ) L R E -5 5 M bps 5 M bps 1500 m L R E -1 0 (D e fa u lt) 10 M bps 10 M bps 1250 m L R E -1 5 15 M bps 15 M bps 1000 m P u b lic -A N S I 15 M bps 5 M bps 1000 m P u b lic -E T S I 10 M bps 5 M bps 1000 m N am e S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 33 L R E F r e q u e n c y D o m a in • T r a n s p o r ts d a ta o v e r te le p h o n e w ir e s o r ig in a lly in te n d e d fo r 3 0 0 H z – 3 .4 k H z • U s e s F r e q u e n c y D iv is io n D u p le x in g (F D D ) to s e p a r a te th e d o w n s tr e a m a n d u p s tr e a m c h a n n e ls • E n a b le s o p e r a to r s to o v e r la y L R E o n e x is tin g P O T S , IS D N o r P B X s ig n a lin g S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 34 S o lu tio n C o m p o n e n ts C a ta ly s t 2 9 0 0 L R E X L S w itc h e s C is c o L R E 4 8 P O T S S p litte r C is c o 5 7 5 L R E C P E D e v ic e S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 35 H o m o lo g a te d P O T S S p litte r P a r tn e r s • P r o d u c ts fr o m C o r n in g C a b le S y s te m s a n d D e lta E le c tr o n ic s h a v e b e e n c e r tifie d to w o r k w ith L R E • V a r io u s m o d e ls h a v e d iffe r e n t c u to ff fr e q u e n c ie s , im p e d a n c e s , a n d c o u n tr y c e r tific a tio n s , s o m a k e s u r e th a t a m o d e l m e e ts y o u r r e q u ir e m e n ts • F o r p r o d u c t s p e c ific a tio n a n d o r d e r in g in fo r m a tio n , v is it th e s e w e b s ite s : • C o r n in g : h ttp ://w w w .c o r n in g c a b le s y s te m s .c o m /w e b /p u b n e t/c is c o .n s f/e h t m l/c a ta ly s t • D e lta E le c tr o n ic s h ttp ://w w w .d e lta w w .c o m /p r o d u c ts /te le c o m m a g /v d s lp o ts .h tm S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 36 D e p lo y in g L o n g -R e a c h E th e r n e t U p to 1 5 0 0 m S c a la b le a n d D e s ig n e d fo r L a r g e W ir e B u n d le s In te r n e t R o u te r PB X LR E S w itc h e s B B SM S s im lo - e tth PO TS S p litte r s © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 37 D a ta a n d V o ic e A p p lic a tio n — A p a r tm e n t E n v ir o n m e n t C is c o 5 7 5 C P E d e v ic e C is c o IP p h o n e 7900 A n a lo g phone F lo o r 3 C a te g o r y 1 /2 /3 F lo o r 2 L o n g -R e a c h E th e r n e t Un it/R o o m 3 Un it/R o o m 4 C is c o 5 7 5 C P E d e v ic e C is c o IP p h o n e 7900 A n a lo g phone Un it/R o o m 1 C is c o L R E 48 P O TS S p litte r E q u ip m e n t R oom S s im lo - e tth C a ta ly s t C a ta ly s t 2900 LR E X L 3500 X L S w itc h e s S w itc h © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . C a te g o r y 5 Un it/R o o m 2 PB X PSTN C is c o R o u te r C is c o B u ild in g B ro a d b a n d S e r v ic e M anager In te r n e t 38 4 P o r t C P E 5 8 5 d e v ic e C u s to m e r R e q u ir e m e n ts • C o n n e c t to m u ltip le d e v ic e s S e t-T o p B o x fo r V id e o -o n -D e m a n d PC s E n e rg y M a n a g e m e n t D e v ic e s IP P h o n e s W ire le s s A c c e s s P o in ts • P ro b le m : C P E 5 7 5 o n ly h a s o n e F a s t E th e rn e t p o rt S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 39 C P E 5 8 5 S o lu tio n S o lu tio n : • F o u r F a s t E th e rn e t s w itc h e d p o rts H o s p ita lity a n d M D U • T w o R J -11 p o rts (fo r L R E a n d a n a lo g p h o n e ) C o n tr o l C e n te r • Q u a lity o f S e rv ic e – 8 0 2 .1p A lte rn a tiv e S o lu tio n : M in i-H u b LR E S w itc h S e t-to p B ox • N o Q oS • N o t a ttra c tiv e in h o te l ro o m s • A n n o y in g to in te g ra te tw o d e v ic e s S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . FC S 2Q C Y 02 B e ta tr ia ls F e b . 0 2 40 U T I/L 2 T P v 3 S e s s io n N u m b e r P re s e n ta tio n _ ID © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 41 W h a t is U T I/L 2 T P v 3 ? • U n iv e r s a l T r a n s p o r t In te r fa c e (U T I) is a C is c o IE T F d r a ft th a t w a s in tr o d u c e d a s a lig h t w e ig h t tu n n e llin g p r o to c o l to tr a n s p o r t a n y p a y lo a d lik e IP , S N A , D e s k to p , B r id g e d P D U s o v e r a n IP c o r e backbone • O n g o in g e ffo r ts to s ta n d a r d iz e o n U T I h e a d e r to b e s im ila r to L 2 T P v 3 header • U n iv e r s a l T r a n s p o r t In te r fa c e (U T I) a llo w s m u ltip le s e r v ic e s to b e tr a n s p o r te d o v e r th e IP c o r e n e tw o r k m a in ly : T r a n s p a r e n t L A N s e r v ic e s (T L S ) o r b r id g in g b e tw e e n c u s to m e r s ite s IP V P N s e r v ic e s T r a n s p o r t o f d e s k to p p r o to c o ls a n d S N A tr a ffic IP tr a n s it s e r v ic e s • W ith U T I c o n n e c tio n s a p p e a r to b e p o in t-to -p o in t lin k s b e tw e e n c u s to m e r lo c a tio n s , n o IP a d d r e s s e s a r e n e e d e d a t tu n n e l e n d p o in ts S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 42 B a s ic c o n n e c tiv ity u s in g U T I/L 2 T P v 3 (E th e r n e t V ir tu a l C ir c u it) • U T I o ffe r s T r a n s p a r e n t L A N S e r v ic e s (T L S ) • C u s to m e r s ite s a p p e a r to b e c o n n e c te d o n th e s a m e w ir e P h y s ic a l c o n n e c tiv ity C u s to m e r A u ti tu n n e l 1 C u s to m e r A IP e n a b le d C o re S ite # 1 S ite # 2 L o g ic a l c o n n e c tiv ity S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 43 H u b a n d S p o k e c o n n e c tiv ity u s in g U T I/L 2 T P v 3 • C u s to m e r s ite s a r e c o n n e c te d o v e r th e h u b s ite w ith 8 0 2 .1 Q • T h e h u b s ite r o u te s b e tw e e n th e 2 r e m o te s ite s P h y s ic a l c o n n e c tiv ity C u s to m e r A v la R e m o te s ite # 1 u ti tu n n e l 1 n1 C u s to m e r A IP e n a b le d C o re n2 C u s to m e r A v la R e m o te s ite # 2 H u b s ite u ti tu n n e l 2 L o g ic a l c o n n e c tiv ity v la v la n S s im lo - e tth n1 2 © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 802.1Q-vlan 1 802.1Q-vlan 2 H u b s ite 44 UTI/L2TPv3 IP VPN Solution • C u s to m e r s a r e lo c a te d o n d iffe r e n t flo o r s a n d c o n n e c te d to th e H Q v ia U T I • U T I tu n n e l is c o n fig u r e d o n e a c h in te r fa c e th e c u s to m e r is h o m in g o n . V P N S o lu tio n C e n te r O ffic e T o w e r C u s to m e r A C u s to m e r A ’s C o r p o r a te H Q u ti tu n n e l 1 IP e n a b le d C o re F lo o r 2 C u s to m e r B C u s to m e r B ’s C o r p o r a te H Q u ti tu n n e l 2 F lo o r 1 S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 45 U T UI/L T I/L2 2T T PP vv 33 Pp rro ototoc o cl o l o v e r v ie w • U T I a d d s a h e a d e r in fr o n t o f th e p a y lo a d tr a ffic • T h e U T I h e a d e r is u s e d to d e liv e r th e p a y lo a d to th e d e s tin a tio n U TI H eader p a y lo a d IP N e tw o r k p a y lo a d U TI H e a d e r p a y lo a d p a y lo a d U T I L 2 tu n n e l S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 46 U T I/L 2 T P v 3 p r o to c o l o v e r v ie w • T u n n e l id e n tifie r is u s e d to id e n tify th e tu n n e l a t th e d e -c a p s u la tin g s id e • T u n n e l k e y , 8 b y te s s ig n a tu r e th a t is s h a r e d b e tw e e n th e e n d p o in ts o f th e U T I tu n n e l U TIH eader 3 2 b y te s IP D e liv e r y H e a d e r P a y lo a d In d e p e n d e n t H e a d e r 2 0 b y te s 1 2 b y te s T u n n e l Id e n tifie r 4 b y te s S s im lo - e tth P a y lo a d Tunnelkey 4 b y te s © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . T u n n e l H ig h k e y 4 b y te s 47 U T I/L 2 T P v 3 R a te lim itin g a n d tr a ffic s h a p in g o n C is c o 1 0 7 2 0 • C is c o 1 0 7 2 0 is c a p a b le o f p o lic in g (r a te -lim itin g ) U T I tu n n e l b a n d w id th v ia C A R P o lic in g is im p o r ta n t to e ffic ie n tly u tiliz e n e tw o r k r e s o u r c e s C A R is im p le m e n te d v ia M Q C • T r a ffic s h a p in g a n d P r io r itiz a tio n v ia M o d u la r Q o S C L I (M Q C ) a r e c o n fig u r a b le a t e g r e s s T u n n e l T o S b its c a n b e s e t v ia IO S C L I c o m m a n d V ia M Q C a m a tc h c a n o c c u r o n tu n n e l T o S b its o r w ith a n a c c e s s lis t S h a p in g a n d P r io r itiz a tio n c a n b e a c h ie v e d a t tu n n e l e g r e s s o r d e -c a p s u la tin g s id e S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 48 U T I/L 2 T P v 3 a v a ila b ility o n C is c o 1 0 7 2 0 • L 2 -L 2 o n C is c o 1 0 7 2 0 a v a ila b le • L 2 -L 3 o n C is c o 1 0 7 2 0 in IO S 1 2 .0 (2 1 )S P L 2 -L 3 a llo w s v ir tu a l c ir c u it c o n n e c tio n b e tw e e n 8 0 2 .1 Q a n d F r a m e r e la y L 2 -L 3 a ls o a llo w s h y b r id m o d e , i.e ., tu n n e l s ta r ts o n E th e r n e t a n d te r m in a te s o n P O S in te r fa c e s • L 3 -L 3 o n C is c o 1 0 7 2 0 in IO S 1 2 .0 (2 2 )S P L 3 -L 3 is s im ila r to G R E S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 49 U T I/L 2 T P v 3 a v a ila b ility o n 7 x x x ,G S R • P h a s e 1 - 1 2 .0 (1 8 )S (s h ip p in g ) (1 2 .2 T , 1 2 .2 S ) L 2 -L 2 o n 7 2 0 0 /7 5 0 0 /G S R (a ll P O S , F E a n d G E in te r fa c e s fo r tu n n e llin g p e r p o r t) • P h a s e 2 - 1 2 .0 (1 9 )S (s h ip p in g ) F r a m e R e la y o n 7 2 0 0 /7 5 0 0 /G S R (P O S I/F ) • P h a s e 3 - 1 2 .0 (2 1 )S F r a m e R e la y o n G S R (c h a n n e liz e d I/F ) 8 0 2 .1 Q o n 7 2 0 0 /7 5 0 0 /G S R L 2 /L 3 o n 7 2 0 0 /7 5 0 0 L 3 -L 3 o n C is c o • P h a s e 3 - 1 2 .0 (2 3 )S L 2 T P v 3 o n E 2 T u n n e l c a rd S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 50 EoM PLS S e s s io n N u m b e r P re s e n ta tio n _ ID © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 51 E th e r n e t V ir tu a l C ir c u it – E o M P L S A c c e s s (L 2 ) E th e r n e t C o re M PLS A c c e s s (L 2 ) E th e r n e t M PLS PE M PLS PE M PLS 1 0 /1 0 0 /G ig a b it E th e r n e t 1 0 /1 0 0 /G ig a b it E th e r n e t E th e r n e t C ir c u it E o M P L S T u n n e l in C o r e E n te r p r is e C am pus A E n te r p r is e C am pus B E th e r n e t M a p p e d C ir c u it T o th e E n te r p r is e th is n e tw o r k is a p a ir o f P t to P t 1 0 /1 0 0 /G b it B r id g e d E th e r n e t L in k s A S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . B 52 C u r r e n t d e p lo y e d a r c h ite c tu r e – M V P N a n d TLS B ackbone P O P s 6500 O S R M e tr o PE A re a P o P s 6500 O S R M e tr o PE PE M PLS VPN • 7 2 0 0 / 7 4 0 0 / 1 0 K P E b e h in d th e C a t6 5 0 0 /7 6 0 0 • 1 0 K E S R P E fo r L L a g g r e g a tio n S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 53 A to M - E n c a p s u la tio n F r a m e R e la y L 2 h e a d e r n o t tr a n s p o r te d s e q u e n c in g r e q u ir e d B E C N , F E C N , D E , C /R tr a n s p o r te d in c o n tr o l w o r d A T M A A L 5 C P C S -P D U A T M C e ll M o d e S in g le C e lls a n d p a c k e d c e lls E th e r n e t w ith /o u t V L A N e n tir e e th e r n e t fr a m e w ith o u t P r e a m b le o r F C S s e q u e n c in g o p tio n a l c o n tr o l w o r d fla g s u n u s e d C is c o -H D L C H D L C fr a m e e x c lu d in g h d lc fla g s a n d F C S . B it s tu ffin g is u n d o n e PPP P P P -p d u w ith o u t a n y fr a m in g (h d lc ) in fo S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 54 E th e r n e t o v e r M P L S ✒   ☞ ✌ Point to Point, Metro Ethernet Service ✡   ☎ ✟ ✝ ✑   ✎ is trib u ted N A ☎ ✟ ✝ P B a s e d o n d r a ft-m a r tin i V C s to V L A N s = > V C id m a p s to V L A N id © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . ☛ ✠✡ D S s im lo - e tth ✆ ☎ ✏   ☞ ✌ ✆ ✂ ✄ ✁ ✞  ✁  ✁ ✍   ☞ ✌  ✁  ✁   ☞ ✌  ✁  ✁ ☞ ✌ ☛ ✆ ☎ ✠✡ ✆ ✂ ✄ ✁ ✞ ☞ ✌ MPLS Network 55 E th e r n e t o v e r M P L S R o u te r im p le m e n ta tio n - P o r t to p o r t (E th e r n e t) - S u b -in te r fa c e to S u b -in te r fa c e (V la n ) - 7200,7500,12000 S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 56 A to M – R o a d m a p • A T o M – A n y T ra n s p o rt o v e r M P L S A A L 5 o r A T M o v e r M P L S – 1 2 .0 (1 1 )S T N e w c o n tro l p la n e – 12 .0 (2 3 )S – 7 x 0 0 F r a m e R e la y o v e r M P L S 1 2 .0 (2 3 )S E th e r n e t O v e r M P L S 1 2 .1 (8 a )E fo r C a t6 K /O S R 1 2 .0 (2 1 )S T fo r G S R E 2 P O S a n d G E / E 4 + 1 2 .0 (2 3 )S fo r 7 x 0 0 C e ll R e la y o v e r M P L S – 1 2 .0 (2 3 )S + P P P o v e r M P L S – 1 2 .0 (2 3 )S H D L C o v e r M P L S – 1 2 .0 (2 3 )S S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 57 E th e r n e t o v e r M P L S 7 6 0 0 im p le m e n ta tio n O S M G E o r P O S M o d u le a c t h a s a r o u te r : O S M G E o r P O S M o d u le PFC 2 F o rw a r d in g E n g in e A N Y C a ta ly s t 6 x 0 0 E th e r n e t M o d u le -Im p o s e L a b e l r e c e iv e d fr o m in te r n a l V L A N a n d fo rw a r d it to O S M U p lin k - D is p o s e L a b e l r e c e iv e d fr o m O S M U p lin k a n d fo rw a r d it to in te r n a l V L A N - P F C 2 fo rw a r d L 2 p a c k e t to a n d fr o m a n y c a ta ly s t 6 x 0 0 E th e r n e t m o d u le u p to a n d fr o m in te r n a l V L A N S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 58 E th e r n e t o v e r M P L S C o n fig u r a tio n (7 6 0 0 C L I) 7600- nyc(config)# int e r fa 7 6 0 0 - nyc(config- if)# ip a 7 6 0 0 - nyc(config- if)# no ne 7 6 0 0 - nyc(config- if)# t 7 6 0 0 - nyc(config)# 7 6 0 0 - nyc(config- if)# no ip 7 6 0 0 - nyc(config- if)# m s int a ce d e g- d p r r iga e s b s 1 it 0 l ne 2 ion a u t o r ou ing a r . ch l e 1 w V h . t ce t 4 ia it E . got s fa l G n2 2 5 t e t 5 4 / . 1 2 5 5 . 0 . 0 ip a d d r e s s 2 t r a ns p 5 or t 10.1.1.2 5 0 p -u k G E c a m p u s -n y c S s im lo - e tth G E 7600n yc © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 7 6 0 0 -b r u c a m p u s -b r u 59 E th e r n e t T r a n s p a r e n t L A N S e r v ic e – 8 0 2 .1 Q in Q A c c e s s (L 2 ) 8 0 2 .1 Q in Q C o r e (L 2 ) 8 0 2 .1 Q A c c e s s (L 2 ) 8 0 2 .1 Q in Q E n te r p r is e S ite B E n te r p r is e S ite A 8 0 2 .1 Q 8 0 2 .1 Q in Q Si Si 8 0 2 .1 Q in Q L 2 E th e r n e t E n te r p r is e S ite C E n te r p r is e S ite D 8 0 2 .1 Q T r u n k s to C u s to m e r D e fin e d V L A N S Si 8 0 2 .1 Q in Q Si 8 0 2 .1 Q in Q T o th e E n te r p r is e th is n e tw o r k lo o k lik e a s h a r e d fla t e a r th 8 0 2 .1 Q E th e r n e t D o m a in A S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . B C D 60 C o m p a r in g o th e r L 2 V P N ’s S u p p o r te d P la tfo r m s Q in Q C a ta ly s t 6000 EoM PLS O S R 7600 U TI S u p p o r te d S u p p o r te d T o p o lo g ie s In te r fa c e s P o in t to M u ltip o in t P o in t to P o in t 7 2 0 0 ,7 5 0 0 P o in t to G S R 12000 P o in t S P C o re VPN E th e r n e t L2 N o A ll In te r fa c e s * L3 M PLS Y es L 3 IP Y es P O S ,FE * C u rre n tly o n ly o n G E in te rfa c e S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 61 A genda • O v e r v ie w / M a r k e t tr e n d s • E th e r n e t ‘1 0 1 ’ – 8 0 2 .1 d , S T P , V T P • E th e r n e t ‘2 0 1 ’– Q in Q , 8 0 2 .1 w /s • E T T B T e c h n o lo g y – L R E / U T I / L 2 T P V 3 / A to M • F u tu r e D ir e c tio n / C lo s e S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 62 E th e r n e t o v e r D W D M O p tic a l R in g 1 VLA N 2 3 4 1 Lam bda O p tic a l O A D M T e r m in a l M U X /D M U X O N S 15201 O p tic a l L 1 P r o te c tio n 16 Lam bdas G ig E In g r e s s P o lic in g E g r e s s P o lic in g Q o S p e r C u s to m S P D ic ta te s V L A fr o m C u s to m e r to C u s to m e r e r P o rt N s to C u s to m e r N o o v e r s u b s c r ip tio n O n 8 0 2 .1 Q tr u n k C a ta ly s t 3 5 5 0 -1 2 T S s im lo - e tth S p a n n in g tr e e r o o t O N S 15252 © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . G ig E E th e r c h a n n e l L 3 IP T r u n k R • • • edundant P ow er S u p e r v is o r F a b r ic EoM PLS C is c o 7 6 0 0 63 E th e r n e t o v e r D P T / S R P M u lti-D w e llin g U n it O C 4 8 /S T M 1 6 D P T C is c o 1 2 0 0 0 S e r ie s C is c o 1 0 7 0 0 S e r ie s B u s in e s s P a rk M u lti-T e n a n t U n it S M F ib e r 1 0 0 M b p s F e e d s -u p to 1 5 k m • E th e r n e t h u b & s p o k e fo r b u s in e s s p a r k a n d in -b u ild in g L A N s w itc h in g fa n o u t C is c o 1 0 7 2 0 In te r n e t R o u te r C a ta ly s t L A N S w itc h e s C is c o 1 0 7 0 0 S e r ie s M e tr o O p tic a l In fr a s tr u c tu r e • S u p p o r t C o p p e r , M u ltim o d e F ib e r , S in g le m o d e F ib e r E th e r n e t in te r fa c e s S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 64 E th e r n e t o v e r S D H VLA N 1 2 3 4 T ra n s p a re n t & L in e R a te G ig E O C 192 SO N ET R IN G S p a n n in g tr e e O N S 15454 L 3 IP T r u n k ro o t EoM PLS to M P L S P 8 0 2 .1 Q S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 65 E th e r n e t o v e r C W D M O A D M -1 -4 7 O A D M -1 -4 9 O A D M -1 -5 1 O A D M -1 -5 3 M U X -8 M U X -8 O A D M -1 -5 5 O A D M -1 -5 7 O A D M -1 -6 1 O A D M -1 -5 9 S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 66 C is c o M e tr o A c c e s s P o r tfo lio C a ta ly s t 2 9 5 0 C a ta ly s t 3 5 5 0 C a ta ly s t 3 7 5 0 M e tr o N ew B a s ic a n d L 2 + in te llig e n t s e r v ic e s E n h a n c e d L 2 /3 /4 s e r v ic e s T a rg e t M a rk e t T a rg e t M a rk e t • E T T S – r e s id e n tia l & S O H O • E T T B – b u s in e s s •M D U •M TU P r e m iu m L 2 /3 /4 , h ie r a r c h ic a l Q o S , a n d M P L S s e r v ic e s T a rg e t M a rk e t • E T T B – b u s in e s s p r e m iu m •M TU M e tr o A c c e s s T o p o lo g y •R in g •H u b -a n d -s p o k e S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 67 C is c o C a ta ly s t 3 7 5 0 M e tr o S e r ie s M e tr o E th e r n e t A c c e s s S w itc h e s A v a ila b le J a n u a ry 2 0 0 4 G r e a te r In te llig e n c e • In te llig e n t 8 0 2 .1 Q tu n n e lin g Q o S , V L A N m a p p in g , EoM PLS • M P L S V P N , M u lti-V R F C E • A d v a n c e d Q o S : h ie r a r c h ic a l Q o S , 2 r a te 3 c o lo r r a te lim itin g fo r C IR /E IR , tr a ffic s h a p in g a n d s h a r in g M o r e D iffe r e n tia te d B u s in e s s S e r v ic e s In d u s tr y b e s t fe a tu r e s e t a n d p r ic e /p e r fo r m a n c e M e tr o A c c e s s s w itc h fo r p r e m iu m M e tr o s e r v ic e s S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . • L2 VPN • L 3 V P N (in c lu d in g M P L S V P N ) • G r a n u la r S L A s v ia A d v a n c e d Q o S • A C /D C r e d u n d a n t p o w e r s u p p lie s fo r h ig h a v a ila b ility M o r e C o s t - e ffe c tiv e S e r v ic e D e p lo y m e n t o v e r tim e • “ P a y a s y o u g r o w ” : F le x ib le L a y e r 2 a n d 3 s e r v ic e s o ftw a r e u p g r a d e o p tio n s • F le x ib le a r c h ite c tu r e r e d u c e s T o ta l C o s t o f O w n e r s h ip (T C O ) 68 S s im lo - e tth © 2 0 0 1 , C is c o S y s te m s , In c . A ll r ig h ts r e s e r v e d . 69