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HP
@ A
KA
DE
MY
Ле
кто
р:
Хр
ис
то
Хр
ис
то
в
CN
sys
©2
00
8 H
ew
lett
-Pa
cka
rd D
evelo
pm
en
t C
om
pa
ny,
L.P
.
Th
e in
form
atio
n c
on
tain
ed h
ere
in is s
ubje
ct
to c
ha
nge
with
out
no
tice.
Pro
Curv
e –
Cis
co
Inte
rop
era
bili
ty
Ob
jective
s
•E
xp
lain
the
inte
ropera
bili
ty b
etw
een C
isco a
nd P
roC
urv
e
equ
ipm
ents
in t
he s
am
e n
etw
ork
•C
om
pare
the d
iffe
ren
ces a
nd s
imila
rities in
featu
res a
nd
in c
onfigura
tion
•In
tero
pera
bili
ty in d
eta
il:•
At
La
ye
r 2
: V
LA
Ns,
Sp
an
nin
g-T
ree
, L
ink A
gg
reg
atio
n
•A
t L
aye
r 3
: IP
, V
RR
P-H
SR
P,
OS
PF
•C
onfig
ure
QO
S a
t L2 a
nd L
3
3
Co
nte
nt
1.
Inte
rop
era
bili
ty b
etw
ee
n C
isco
In
fra
str
uctu
re a
nd
Pro
Cu
rve
In
fra
str
uctu
re
2.
VL
AN
s I
nte
rop
era
bili
ty
3.
Sp
an
nin
g-T
ree
In
tero
pe
rab
ility
4.
Ha
rde
nin
g S
pa
nn
ing
-Tre
e
5.
L2
Dis
co
ve
ry P
roto
co
ls L
LD
P -
CD
P
6.
Ga
tew
ay r
ed
un
da
ncy H
SR
P -
VR
RP
7.
PO
E,
IP P
ho
ne
s a
nd
QO
S
8.
Ne
two
rk A
cce
ss C
on
tro
l
9.
La
ye
r 2
–la
ye
r 3
in
terf
ace
s
10.
IP R
ou
tin
g
11.
Acce
ss C
ontr
ol L
ists
•C
on
clu
sio
n4
1-
Inte
rop
era
bili
ty
be
twe
en
C
isco
infr
astr
uctu
re a
nd
Pro
Cu
rve
infr
astr
uctu
re
Siz
ing
th
e N
etw
ork
s
•S
ma
ll n
etw
ork
s –
up
to
25
0 u
se
rs
•M
id-s
ize
ne
two
rks –
25
0 –
10
00
use
rs
•E
nte
rpri
se
–1
00
0 u
se
rs a
nd
ab
ov
e
En
terp
rise
Ne
two
rkB
uild
ing
Blo
cks
1. O
ffers
hie
rarc
hy
-e
ach la
ye
r h
as s
pe
cific
ro
le
2. M
od
ula
r to
po
log
y-
bu
ildin
g b
locks
En
terp
rise
Arc
hite
ctu
reE
nte
rprise
Cam
pu
s
Hie
rarc
hic
al C
am
pu
s D
esig
nB
uild
ing B
locks
Data
Cen
ter
WA
NIn
tern
et
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Ac
ce
ss
Dis
trib
uti
on
Co
re
Dis
trib
uti
on
Ac
ce
ss
•O
ffe
rs h
iera
rch
y—
ea
ch
la
ye
r h
as
sp
ec
ific
ro
le
•M
od
ula
r to
po
log
y—
bu
ild
ing
blo
ck
s
•E
as
y t
o g
row
, u
nd
ers
tan
d,
an
d
tro
ub
les
ho
ot
•C
rea
tes
sm
all
fa
ult
do
ma
ins
—c
lea
r d
em
arc
ati
on
s a
nd
is
ola
tio
n
•P
rom
ote
s l
oa
d b
ala
nc
ing
an
d
red
un
da
nc
y
•P
rom
ote
s d
ete
rmin
isti
c t
raff
ic p
att
ern
s
•In
co
rpo
rate
s b
ala
nc
e o
f b
oth
La
ye
r 2
an
d
La
ye
r 3
te
ch
no
log
y,
leve
rag
ing
th
e
str
en
gth
of
bo
th
•C
an
be
ap
pli
ed
to
all
ca
mp
us
de
sig
ns
; m
ult
ila
ye
r L
2/L
3 a
nd
ro
ute
d a
cc
es
s
de
sig
ns
Data
Cen
ter
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Hie
rarc
hic
al C
am
pu
s D
esig
nM
ultila
ye
r L
2/L
3 B
uild
ing
Blo
cks
•H
igh
ly a
vail
ab
le a
nd
fast—
alw
ays o
n
•D
ep
loy Q
oS
en
d-t
o-e
nd
: p
rote
ct
the g
oo
d a
nd
p
un
ish
th
e b
ad
•E
qu
al
co
st
co
re lin
ks p
rovid
e f
or
best
co
nverg
en
ce
•O
pti
miz
e C
EF
fo
r b
est
uti
lizati
on
of
red
un
dan
tL
3 p
ath
s –
use r
ou
tin
g p
roto
co
ls
•A
gg
reg
ati
on
an
d p
oli
cy e
nfo
rcem
en
t
•U
se H
SR
P o
r G
LB
P f
or
defa
ult
gate
wa
y p
rote
cti
on
•U
se R
ap
id P
VS
T+
if
yo
u M
US
T h
ave L
2 l
oo
ps i
n
yo
ur
top
olo
gy
•K
eep
yo
ur
red
un
dan
cy s
imp
le;
dete
rmin
isti
c
beh
avio
r =
un
ders
tan
din
g f
ail
ure
scen
ari
os a
nd
w
hy e
ach
lin
k i
s n
eed
ed
•N
etw
ork
tru
st
bo
un
dary
•U
se R
ap
id P
VS
T+
on
L2 p
ort
s t
o p
reven
t lo
op
s i
n
the t
op
olo
gy
•U
se U
DL
D t
o p
rote
ct
ag
ain
st
1 w
ay i
nte
rface U
P
co
nn
ecti
on
s
•A
vo
id d
ais
y c
hain
ing
access s
wit
ch
es
•A
vo
id a
sym
metr
ic r
ou
tin
g a
nd
un
icast
flo
od
ing
, d
on
’t s
pan
VL
AN
S a
cro
ss t
he a
ccess l
ayer
Ac
ce
ss
Dis
trib
uti
on
Co
re
Dis
trib
uti
on
Ac
ce
ss
Data
Cen
ter
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Hie
rarc
hic
al C
am
pu
s D
esig
nR
ou
ted A
cce
ss B
uild
ing
Blo
cks
•H
igh
ly a
vail
ab
le a
nd
fast—
alw
ays o
n
•D
ep
loy Q
oS
en
d-t
o-e
nd
: p
rote
ct
the g
oo
d a
nd
p
un
ish
th
e b
ad
•E
qu
al
co
st
co
re lin
ks p
rovid
e f
or
best
co
nverg
en
ce
•A
ccess la
yer
ag
gre
gati
on
•R
ou
te s
um
mari
zati
on
to
th
e c
ore
to
min
imiz
e
rou
tin
g e
ven
ts
•R
ou
te f
ilte
rin
g f
rom
th
e c
ore
to
min
imiz
e r
ou
tin
g
tab
le s
ize i
n a
ccess
•O
SP
F s
tub
are
a b
ord
er
(AB
R)
•K
eep
yo
ur
red
un
dan
cy s
imp
le;
eq
ual
co
st
load
b
ala
ncin
g b
etw
een
access a
nd
co
re
•V
ary
CE
F a
lgo
rith
m t
o p
reven
t p
ola
rizati
on
•N
etw
ork
tru
st
bo
un
dary
•V
LA
Ns a
re c
on
tain
ed
to
th
e a
ccess s
wit
ch
•U
se O
SP
F o
n i
nte
rfaces t
od
istr
ibu
tio
n l
ayer
•U
se p
ara
llel
path
s f
or
Eq
ual
Co
st
Mu
lti
Path
(E
CM
P)
rou
tin
g
•U
se O
SP
F s
tub
are
as t
o lim
it s
co
pe o
f co
nverg
en
ce e
ven
ts
Ac
ce
ss
Dis
trib
uti
on
Co
re
Dis
trib
uti
on
Ac
ce
ss
Be
st P
ractice
sL
aye
r 3 R
ou
ting
Pro
toco
ls•
Typ
icall
y d
ep
loyed
in
d
istr
ibu
tio
n t
o c
ore
, an
d c
ore
to
co
re i
nte
rco
nn
ecti
on
s
•U
sed t
o q
uic
kly
re-r
oute
aro
un
d
faile
d n
ode/lin
ks w
hile
pro
vid
ing
load b
ala
ncin
g o
ver
redu
nda
nt
path
s
•B
uild
tria
ngle
s n
ot
square
s f
or
dete
rmin
istic c
onverg
ence
•O
nly
peer
on lin
ks t
hat
you
inte
nd t
o u
se a
s t
ransit
•In
sure
redu
nda
nt
L3 p
ath
s t
o
avoid
bla
ck h
ole
s
•S
um
marize d
istr
ibution t
o c
ore
to
lim
it O
SP
F L
SA
pro
pag
atio
n
•T
une C
EF
L3/L
4 load b
ala
ncin
g
hash t
o a
chie
ve m
axim
um
utiliz
ation o
f eq
ual cost
path
s
(CE
F p
ola
rization)
Da
ta C
en
ter
WA
NIn
tern
et
La
ye
r 3
Eq
ua
l
Co
st
Lin
k’s
La
ye
r 3
Eq
ua
l
Co
st
Lin
k’s
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
OS
PF
in
th
e C
am
pu
sC
on
ve
rsio
n to
an
OS
PF
Ro
ute
d E
dg
e
•O
SP
F d
esig
ns tha
t u
tiliz
e a
n
are
a for
each c
am
pus
dis
trib
utio
n b
uild
ing
blo
ck a
llow
fo
r str
aig
ht fo
rward
mig
ratio
n to
L
aye
r 3
access
•C
on
vert
ing
L2
sw
itch
es to
L3
with
in a
co
ntig
uo
us a
rea
is
reason
ab
le to c
onsid
er
as lo
ng
a
s n
ew
are
a s
ize
is r
easo
na
ble
•H
ow
big
ca
n th
e a
rea b
e?
•It d
epe
nds!
−S
witch
typ
e(s
)
−N
um
be
r o
f lin
ks
−S
tab
ility
of fib
er
pla
nt
Are
a 2
00
Bra
nch
es
Are
a 0
Co
re
Are
a 1
0D
ist
1
Are
a 2
0D
ist
2
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Be
st P
ractice
sF
irst H
op
Re
du
nd
an
cy
•U
sed
to
pro
vid
e a
resil
ien
t d
efa
ult
g
ate
way/f
irst
ho
p a
dd
ress t
o e
nd
sta
tio
ns
•H
SR
P,
VR
RP
, and G
LB
P
altern
atives
•V
RR
P,
HS
RP
and G
LB
Ppro
vid
e m
illis
econd t
imers
and e
xce
llent
converg
ence
perf
orm
ance
•V
RR
P if
yo
u n
eed m
ulti-
vendor
inte
rop
era
bili
ty
•G
LB
P f
acili
tate
s u
plin
k load
bala
ncin
g
•P
reem
pt
tim
ers
need t
obe t
uned t
o a
void
bla
ck-
hole
d t
raff
icD
ata
Ce
nte
rW
AN
Inte
rne
t
La
ye
r 3
Eq
ua
l
Co
st
Lin
k’s
La
ye
r 3
Eq
ua
l
Co
st
Lin
k’s
1s
tH
op
Red
un
dan
cy
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Be
st P
ractice
s
Tru
nk C
on
figu
ratio
n
•T
yp
icall
y d
ep
loyed
on
in
terc
on
necti
on
betw
een
acce
ss a
nd
dis
trib
uti
on
layers
•U
se V
TP
tra
nspare
nt
mod
e t
o
decre
ase p
ote
ntial fo
r opera
tional
err
or
•H
ard
set
trunk m
ode t
o o
n a
nd
encapsula
tion n
egotiate
off
for
optim
al co
nverg
ence
•C
han
ge t
he n
ative V
LA
N t
o
som
eth
ing u
nu
sed t
o a
void
VLA
N
hopp
ing
•M
anua
lly p
run
e a
ll V
LA
NS
except
those n
ee
ded
•D
isab
le o
n h
ost
port
s:
−C
isco I
OS
: sw
itchport
host
Da
ta C
en
ter
WA
NIn
tern
et
La
ye
r 3
Eq
ua
l
Co
st
Lin
k’s
La
ye
r 3
Eq
ua
l
Co
st
Lin
k’s
802.1
q T
run
ks
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Be
st P
ractice
s
Eth
erC
ha
nne
lC
on
figu
ratio
n
•T
yp
icall
y d
ep
loyed
in
d
istr
ibu
tio
n t
o c
ore
, an
d c
ore
to
co
re i
nte
rco
nn
ecti
on
s
•U
sed t
o p
rovid
e lin
k r
ed
und
ancy—
wh
ile r
educin
g p
eeri
ng c
om
ple
xity
•T
une L
3/L
4 loa
d b
ala
ncin
g
hash t
o a
chie
ve m
axim
um
utiliz
ation o
f ch
anne
l m
em
bers
•M
atc
h C
isco I
OS
PA
gP
sett
ings
•802.3
ad
LA
CP
fo
r in
tero
pera
tio
n,
if y
ou
need
it
•D
isab
le u
nle
ss n
eed
ed
−C
isco I
OS
: sw
itchport
host
Da
ta C
en
ter
WA
NIn
tern
et
La
ye
r 3
Eq
ua
l
Co
st
Lin
k’s
La
ye
r 3
Eq
ua
l
Co
st
Lin
k’s
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Si
Be
st P
ractice
s
Qo
Sin
En
terp
rise
Ne
two
rk
Be
st P
ractice
s
Qo
Sin
En
terp
rise
Ne
two
rk
Hie
rarc
hic
al C
am
pu
s D
esig
nF
utu
re
Si
Si
Si
Si
Ac
ce
ss
L2
LA
N S
wit
ch
es
–
on
e S
wit
ch
on
e
VL
AN
Co
re /
D
istr
ibu
tio
n
L3
LA
N
sw
itc
he
s
Ca
mp
us
/ D
ata
ce
nte
r
Si
Si
Si
Si
Ca
mp
us
/ D
ata
ce
nte
r
Si
Si
Si
Si
Ca
mp
us
/ D
ata
ce
nte
rC
am
pu
s /
Da
tac
en
ter
Ac
ce
ss
L3
LA
N
Sw
itc
he
s
Lo
op
fre
e t
op
olo
gy
Ro
ute
d t
op
olo
gy
Lo
op
ed
to
po
log
y
1 V
irtu
ali
ze
d
Sys
tem
Ac
tive
-Ac
tive
U
pli
nk
s
Vir
tua
l S
wit
ch
Sys
tem
top
olo
gy
Co
re /
D
istr
ibu
tio
n
L3
LA
N
sw
itc
he
s
Ac
ce
ss
L2
LA
N S
wit
ch
es
–
on
e S
wit
ch
m
ult
iple
VL
AN
s
Co
re /
D
istr
ibu
tio
n
L3
LA
N
sw
itc
he
s
2 P
hysic
al
Devic
es
L2
L2
L3
En
terp
rise
Sta
rtin
g P
oin
t
20
Bla
de
se
rve
r
wit
h B
lad
e
sw
itc
h s
uc
h
as
HP
Pro
Cu
rve
61
20X
G
Cis
co
Ca
taly
st
35
60
-48
Cis
co
Ca
taly
st
45
00
Cis
co
Ca
taly
st
65
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Cis
co
Ca
taly
st
65
00
Cis
co
Ca
taly
st
45
00
Fir
st S
tep
of In
teg
ration
21
Multivlan
Uplink
Spanning-
Tree
IP Phone Setup
QOS
Interoperability
Cis
co
Ca
taly
st
45
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Cis
co
Ca
taly
st
45
00
Cis
co
Ca
taly
st
65
00
Cis
co
Ca
taly
st
65
00
HP
Pro
Cu
rve
35
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48
G
Se
co
nd S
tep
of In
teg
ratio
n
22
OSPF
Link
Aggregation
Interoperability
Cis
co
Ca
taly
st
65
00
Cis
co
Ca
taly
st
65
00
HP
Pro
Cu
rve
35
00
yl-
48
G
HP
Pro
Cu
rve
54
12
zl
HP
Pro
Cu
rve
54
12
zl
Th
ird
Ste
p o
f In
teg
ratio
n
23
HP
Pro
Cu
rve
35
00
yl-
48
G
HP
Pro
Cu
rve
54
12
zl
HP
Pro
Cu
rve
54
12
zl
HP
Pro
Cu
rve
82
12
zl
HP
Pro
Cu
rve
82
12
zl
Fo
urt
h S
tep
of In
teg
ratio
n
24
HP
Pro
Cu
rve
35
00
yl-
48
G
HP
Pro
Cu
rve
54
12
zl
HP
Pro
Cu
rve
54
12
zl
HP
Pro
Cu
rve
82
12
zl
HP
Pro
Cu
rve
82
12
zl
2-
VLA
Ns
Inte
rop
era
bili
ty
VLA
N c
onfig
ura
tion
co
mparison
Sw
itch-t
o-S
witch c
on
nection
Pro
Curv
eC
isco
vla
n 1
un
tag
ge
d a
1
vla
n 2
tag
ge
d a
1
vla
n 3
tag
ge
d a
1
inte
rfa
ce G
iga
bitE
the
rne
t 1
/20
sw
itch
port
sw
itch
port
tru
nk e
nca
psu
latio
n d
ot1
q
sw
itch
port
tru
nk n
ative
vla
n 1
sw
itch
port
tru
nk a
llow
ed
vla
n 1
-3
sw
itch
port
mo
de
tru
nk
sw
itch
port
no
ne
gotia
te
26
defa
ult
a1
G1
/20
Defa
ult
on
access
Sw
itch
es (
L2 p
ort
)
dis
ab
le C
isco
DT
P
Pro
Cu
rve
Cis
co
Defa
ult V
LA
N t
ag
gin
g
Tru
nk
VLA
N c
onfig
ura
tion
co
mparison
Sw
itch-t
o-E
nd
Node c
onn
ection
27
Pro
Curv
eC
isco
vla
n 2
unta
gge
d a
1
inte
rface G
igab
itE
thern
et
1/2
0
sw
itchport
sw
itchport
access v
lan 2
sw
itchport
mode a
cce
ss
a1
G1
/20
Pro
Cu
rve
Cis
co
VLA
N c
onfig
ura
tion
co
mparison
Sw
itch-t
o-I
P-p
hon
e c
onn
ection w
ith P
C
28
Pro
Curv
eC
isco
vla
n 2
unta
gge
d a
1
vla
n 3
voic
e
tagged a
1
inte
rface G
iga
bitE
thern
et
1/2
0
sw
itch
port
sw
itch
port
access v
lan 2
sw
itch
port
mo
de a
ccess
sw
itch
port
voic
e v
lan 3
a1
G1
/20
LL
DP
-ME
D:
Vo
ice
VL
AN
ID
=3
Mo
de
: ta
gg
ed
CD
Pv2
:
Vo
ice
VL
AN
ID
=3
Mo
de
: ta
gg
ed
Pro
Cu
rve
Cis
co
LL
DP
-ME
Dsupport
has s
tart
ed o
n
Cis
co C
ata
lyst s
witches 3
760,
3750, 2960, 2970 s
witches r
unnin
g
12.2
(37)S
E a
nd o
n C
isco C
ata
lyst
6500 r
unnin
g 1
2.2
(33)S
XH
LL
DP
-ME
D:
Vo
ice
VL
AN
ID
=3
Mo
de
: ta
gg
ed
Lin
k L
aye
r D
isc
ove
ry P
roto
co
l (L
LD
P)
for
Me
dia
En
dp
oin
t D
evic
es
(ME
D)
LL
DP
-ME
D (
Med
ia E
nd
po
int
Dis
co
very
): a
sta
ndard
exte
nsio
n o
f LLD
P(I
EE
E 8
02.1
AB
)
that sto
res
valu
es for
para
mete
rs s
uch a
s Q
oS
and
VLA
N to a
uto
matically
configure
netw
ork
devic
es s
uch a
s I
P p
hones.
VLA
N c
onfig
ura
tion
co
mparison
Sw
itch-t
o-I
P-p
hon
e c
onn
ection w
ith P
C
Cis
co
ph
on
e c
on
necte
d t
o a
th
ird
-part
y s
wit
ch
-In
th
is c
ase t
he p
ho
ne g
en
era
tes b
oth
LL
DP
-ME
D
an
d C
isco
Dis
co
very
Pro
toco
l m
essag
es.
Th
e s
wit
ch
uses L
LD
P-M
ED
messag
es b
ut
usu
all
y
ign
ore
s t
he C
isco
Dis
co
very
Pro
toco
l m
essag
es a
nd
flo
od
s t
hem
ou
t o
ther
inte
rfaces.If
a C
isco
sw
itch
is c
on
necte
d t
o t
he t
hir
d-p
art
y s
wit
ch
, th
en
Cis
co
Dis
co
very
Pro
toco
l sh
ou
ld b
e d
isab
led
on
the C
isco
sw
itch
tru
nk i
nte
rface.
VLA
N p
ropa
ga
tion w
ith
GV
RP
or
VT
P
GV
RP
Cis
co
VT
P
Gro
up
VL
AN
Re
gis
tra
tio
n P
roto
co
l
IEE
E S
tan
da
rd
Supported by m
ost switch Vendors and on
Cisco C
atO
S, not on C
isco IOS.
Pro
pa
ga
tes V
LA
N C
rea
tio
n
All
GV
RP
no
de
s a
re t
he
sa
me
Au
tom
atic V
LA
N t
ag
gin
g b
ase
d o
n E
dg
e
po
rts in
VL
AN
GV
RP
VL
AN
le
arn
ing
ca
n b
e d
isab
led
on
pe
r p
ort
ba
sis
80
2.1
X c
an
tri
gg
er
VL
AN
cre
atio
n
No
t P
assw
ord
pro
tecte
d
VL
AN
Tru
nk
ing
Pro
toc
ol
Cis
co
Pro
pri
eta
ry p
roto
co
l
Supported by C
isco and ???. Not supported
by ProCurve
Pro
pa
ga
tes V
LA
N c
rea
tio
n in
VT
P D
om
ain
Se
rve
r, C
lien
t a
nd
Tra
nsp
are
nt
VT
P M
od
es
Allo
we
d V
LA
Ns a
uto
ma
tica
lly c
on
tro
lled
o
n
Cis
co
“tr
un
ks”
by V
TP
Pru
nin
g
VL
AN
s f
ilte
red
on
Cis
co
tru
nks b
y V
TP
pru
nin
g
VT
P P
run
ing
Pa
ssw
ord
pro
tecte
d
Use
ful sh
ow
co
mm
and
s
De
scri
ptio
nP
roC
urv
eC
isc
o
Po
rt s
tatu
sshow interface brief
show interfaces status
Po
rt c
ou
nte
rs /
utiliz
atio
nshow interface <port>
show interface <port>
Wh
at
VL
AN
are
co
nfig
ure
d?
show vlan
show vlan brief
Sp
ecific
in
form
atio
n
ab
ou
t a
sin
gle
VL
AN
.
show vlan <vlan-id>
show vlan id <vlan-id>
Wh
ich
un
tag
ge
d V
LA
N
do
es a
po
rt b
elo
ng
to
?
show vlan ports
<port> detail
show interfaces status
Is t
he
po
rt a
Cis
co
la
ye
r-
2 p
ort
?
show interfaces <port>
switchport
Wh
ich
VLA
Ns a
re
co
nfig
ure
d o
n a
po
rt?
show vlan ports
<port> detail
show interfaces <port>
trunk
Wh
ich
po
rts e
xis
t w
ith
mo
re t
ha
n o
ne
VL
AN
show interfaces trunk
31
Sta
tic A
gg
rega
ted
Po
rts
32
Pro
Curv
eC
isco
trun
k a
1-a
2 trk
1tr
un
kin
terf
ace P
ort
-ch
ann
el1
inte
rfa
ce G
iga
bitE
the
rne
t 1
/20
cha
nne
l-gro
up
1 m
ode
on
inte
rfa
ce G
iga
bitE
the
rne
t 1
/21
cha
nne
l-gro
up
1 m
ode
on
a1
G1
/20
a2
G1
/21
trk
1p
o1
Here
we d
o n
ot use a
dynam
ic a
ggre
gation
pro
tocol lik
e L
AC
P
Here
we d
o n
ot use d
ynam
ic a
ggre
gation
pro
tocols
lik
e L
AC
P o
r F
EC
Auto
matically
cre
ate
d
Pro
Cu
rve
(T
run
k)
Cis
co
(E
the
rCh
an
el)
80
2.3
ad
Lin
k A
gg
reg
ati
on
Co
ntr
ol
Pro
toc
ol
(LA
CP
) a
nd
Pro
Cu
rve
tru
nk
ing
: su
pp
ort
up
to 3
6 t
run
ks,
ea
ch
with
up
to
8 lin
ks (
po
rts)
pe
r tr
un
k;
tru
nkin
g a
cro
ss m
od
ule
s is
su
pp
ort
ed
Dynam
ic A
ggre
gate
d P
ort
s u
sin
g
LA
CP
(IE
EE
80
2.3
ad)
Pro
Cu
rve
Cis
co
trun
k a
1-a
2 trk
1 lacp
inte
rfa
ce P
ort
-ch
ann
el1
inte
rfa
ce G
iga
bitE
the
rne
t 1
/20
ch
an
ne
l-pro
toco
l la
cp
ch
an
ne
l-gro
up
1 m
od
e <
active
| p
assiv
e>
inte
rfa
ce G
iga
bitE
the
rne
t 1
/21
ch
an
ne
l-pro
toco
l la
cp
ch
an
ne
l-gro
up
1 m
od
e <
active
| p
assiv
e>
33
Sent LA
CP
fra
me a
ctively
or
just
respond p
assiv
ely
Use L
AC
P o
n the
trunk inte
rface
Auto
matically
cre
ate
d
33
a1
G1
/20
a2
G1
/21
trk
1p
o1
Pro
Cu
rve
Cis
co
Lin
k a
gg
reg
atio
n to
a C
isco
Sta
ck o
r V
SS 3
4
Cis
co
Vir
tual
Sw
itch
ing
Sys
tem
1440
Sta
nd
ard
tru
nk
or
LA
CP
tru
nk
trunk a
1-a
2 t
rk1 t
runk
trunk a
1-a
2 t
rk1 lacp
Pro
Cu
rve s
wit
ch
Sta
nd
ard
tru
nk
or
LA
CP
tru
nk
Cis
co
Sta
ck
Cata
lyst
3750
VL
AN
In
tero
pera
bili
ty p
lann
ing
•P
ay a
tte
ntio
n t
o M
ultiV
LA
NP
ort
s.
1.Make sure N
ative VLAN on C
isco Trunk = U
ntagged
VLAN on Tagged port
2.
Ensure
sa
me V
LA
Ns a
re a
llow
ed a
nd c
onfigure
d
•N
ote
:B
PD
Us
(Sp
an
nin
g T
ree
, L
LD
P,
LA
CP
) a
re
no
t a
tta
ch
ed
to
the
un
tag
ge
d o
r a
ny V
LA
N o
n
Pro
Cu
rve
co
ntr
ari
ly t
o C
isco
.
35
3 S
pa
nn
ing
-Tre
e
Inte
rop
era
bili
ty
Su
pp
ort
of S
TP
37
Pro
Curv
eC
isco
No
tes
ST
P (
80
2.1
D)
PV
ST
+P
VS
T B
PD
Us
are
ST
P c
om
pa
tib
le
in V
LA
N 1
RS
TP
(8
02
.1w
)R
ap
id P
VS
TR
ap
id P
VS
T B
PD
Us
are
RS
TP
co
mp
atib
le in V
LA
N 1
MS
TP
(8
02
.1s
)M
ST
P (
80
2.1
s)
Th
e b
est cho
ice
fo
r In
tero
pe
rab
ility
.
Ca
utio
n w
ith
pre
-im
ple
me
nta
tio
n o
f M
ST
P o
n C
isco
ST
P:
IEE
E 8
02.1
D S
tandard
Spann
ing T
ree
PV
ST
:P
er
Vla
n S
pann
ing-T
ree (
Pro
pri
eta
ry b
ased o
n S
TP
802.1
D )
Rap
id P
VS
T:
Pro
prieta
ry b
ased o
n R
ST
P 8
02.1
w)
RS
TP
:R
apid
Spann
ing T
ree (
802.1
w I
EE
E s
tandard
)
MS
TP
:M
ulti In
sta
nce S
pan
nin
g-T
ree (
802.1
s I
EE
E s
tandard
)
IEE
E 8
02
.1D
an
d 8
02
.1w
38
•P
revio
usly
there
was o
nly
one S
TP
for
many V
LA
Ns
−8
02
.1D
and
80
2.1
w
−T
his
le
ft lin
ks u
nuse
d s
ince a
ll V
LA
Ns to
ok th
e s
am
e
ph
ysic
al to
po
log
y.
Before (with STP)
VLANs 1
VLANs 2
VLANs 1
VLANs 2
Ro
ot
VLANs 3
VLANs 3
VLANs 1
VLANs 2
VLANs 3
MS
TP
=M
ST
(IE
EE
80
2.1
s)
39
•In
a r
esp
on
se to
a n
ee
d to
allo
w
sta
nd
ard
s c
om
plia
nt 8
02
.1D
/w/Q
sw
itche
s h
ave
mu
ltip
le lo
gic
al
pa
ths for
redu
nd
ancy, 80
2.1
s,
Mu
ltip
le S
pa
nn
ing
Tre
e P
roto
co
l (M
ST
P),
was r
atifie
d.
•8
02
.1s e
nh
ances 8
02
.1Q
a
llow
ing
gro
up
s o
f V
LA
Ns to
be
a
ssig
ne
d to
diffe
ren
t sp
annin
g
tree
instances
−In
sta
nces c
hosen t
o m
atc
h
num
ber
of
possib
le logic
al pa
ths
thro
ugh t
he la
yer
2 n
etw
ork
. O
ften
tim
es t
his
is o
nly
2 o
r 3 t
hat
are
re
quir
ed inste
ad o
f 100s w
ith
PV
ST
.
Now with 802.1s
MS
TI-
1 R
oo
tM
ST
I-2
Ro
ot
VLANs 1,2…
VLAN 3,4…
VLANs 1,2…
VLAN 3,4…
VLANs 1,2…
VLAN 3,4…
Before (with PVST)
Ro
ot
of
1
VLANs 1
VLANs 2
VLANs 3
VLANs 1
VLANs 2
VLANs 3
Ro
ot
of
2
Ro
ot
of
3
VLANs 1
VLANs 2
VLANs 3
3-1
MS
TP
Inte
rop
era
bili
ty
Sp
an
nin
g-T
ree
In
tero
pe
rabili
ty
•In
tro
du
ctio
n t
o t
he
diffe
ren
t S
TP
mo
de
s
•M
ST
P o
n C
isco
an
d P
roC
urv
e
•W
ith 1
MS
T insta
nce
•W
ith load b
ala
ncin
g b
etw
ee
n I
nsta
nces
•P
VS
T+
on
Cis
co
an
d M
ST
P P
roC
urv
e
41
De
sig
n 1
: M
ST
P in
one
insta
nce 4
2
STP backup root
MSTP
XSTP blocked
for all VLANs
MSTP
STP root
Pros: sim
ple, all switches speak the same standard protocol
Cons: no load balancing
Cis
co
Cis
co
Pro
Cu
rve
Desig
n 2
: M
ST
P a
nd load
bala
ncin
g
betw
ee
n insta
nces
43
STP root
for instance 2
MSTP
Instance 2: VLAN 4,5,6
XSTP blocked
for instance 2
MSTP
STP root
for instance 1
MSTP
Instance 1: VLAN 1,2,3
XSTP blocked
for instance 1
MSTP
Pros: load balancing
Cons: more complex to configure and troubleshoot
STP backup root
for instance1
STP backup root
for instance 2
Cis
co
Cis
co
Pro
Cu
rve
Cis
co
Cis
co
Pro
Cu
rve
Cis
co
MS
T 8
02
.1s-2
00
2 c
om
plia
nce
44
To support the compliant IEEE 802.1s-2002 standard, Cisco
switches must run at least the following firmware versions :
Cisco Catalyst 2950, 3550, 3560, 3750: IOS12.2(25)SEC
Cisco Catalyst 4000: native IOS 12.2(25)SG
Cisco Catalyst 6000: native IOS 12.2(18)SXFor CatOS8.3
MS
T c
on
ce
pts
•Sw
itches b
elo
ng t
o the s
am
e M
ST
regio
n if
they s
hare
the
sam
e c
onfigura
tio
n p
ara
mete
rs:
•1-
MS
T C
onfig N
am
e (
32 B
yte
s, case s
ensitiv
e)
•2-
MS
T R
evis
ion N
um
ber
(2 b
yte
s)
•3-
MS
T I
nsta
nces w
hic
h a
re s
et by a
ssig
nm
ent
of V
LA
Ns
•Exam
ple
of
an M
ST
Config
ura
tio
n:
45
Co
nfig N
am
e =
“build
ing-1
"
Revis
ion N
um
ber
= 1
Insta
nce 1
= V
LA
Ns 1
, 2, 3
Insta
nce 2
= V
LA
Ns 4
, 5, 6
Cis
co M
ST
PW
hat B
PD
Us
are
sen
t out
of
trunk p
ort
s? 4
6
interface GigabitEthernet 1/20
switchport trunk encapsulation dot1q
switchport trunk native vlan 1
switchport trunk allowed vlan 1-3
switchport mode trunk
interface GigabitEthernet 1/20
switchport trunk encapsulation dot1q
switchport trunk native vlan 1
switchport trunk allowed vlan 2-3
switchport mode trunk
IEE
E 8
02
.1s
BP
DU
IEE
E 8
02
.1s
BP
DU
MS
TP
80
2.1
s
BP
DU
CS
T I
nfo
rmatio
nIS
T I
nfo
.M
ST
I
Info
.
….
ad
diti
on
al
MS
TI
Info
.
MS
TP
Sp
eci
fic
Para
mete
rs
RS
TP
and M
ST
P C
om
mon
Un
tag
ged
IEE
E D
es
tin
ati
on
MA
C:
01
:80:c
2:0
0:0
0:0
0
Cis
co M
ST
PW
hat B
PD
Us
are
sen
t out
of
access p
ort
s? 47
U
se
tru
nk p
ort
s c
on
fig
ura
tio
n o
n in
ter-
sw
itch
lin
ks a
nd
alw
ays c
he
ck
tha
t yo
u h
ave
“sw
itch
po
rt m
od
e t
run
k“
co
nfig
ure
d! If
yo
u u
se
acce
ss
po
rts y
ou
cre
ate
MS
T r
eg
ion
bo
un
da
rie
s.
interface GigabitEthernet 1/20
switchport access vlan 10
switchport mode access
interface GigabitEthernet 1/20
switchport access vlan 10
switchport mode access
Switchport voice vlan 20
IEE
E 8
02.1
s B
PD
Uw
ith
ou
t ad
d. M
ST
in
sta
nce
info
rmati
on
IEE
E 8
02.1
s B
PD
U w
ith
ou
t ad
d. M
ST
in
sta
nce
info
rmati
on
MS
TP
80
2.1
s
BP
DU
CS
T I
nfo
rmatio
nIS
T I
nfo
.M
ST
I
Info
.
….
ad
diti
on
al
MS
TI
Info
.
MS
TP
Sp
eci
fic
Para
mete
rs
RS
TP
and M
ST
P C
om
mon
Un
tag
ged
IEE
E D
es
tin
ati
on
MA
C:
01
:80:c
2:0
0:0
0:0
0
MS
TP
In
tero
pera
bili
ty p
lann
ing
•1)
To g
et sta
nd
ard
MS
TP
BP
DU
, use T
runk p
ort
s o
n C
isco
up
links.
•If a
n U
nta
gged u
plin
k is r
equire
d, do n
ot
use A
ccess p
ort
but
defin
e C
isco p
ort
as a
Tru
nk a
nd a
llow
on
ly t
he n
ative V
LA
N!
•2)
On C
isco:
pay a
ttention a
t th
e IO
S v
ers
ion.
Cis
co s
up
port
s a
Pre
-Vers
ion o
f M
ST
P w
hic
h looks lik
e
MS
TP
. Y
ou c
annot
see t
he d
iffe
rence in c
om
mands. It
just do
not
inte
rop
era
te w
ith s
tandard
MS
TP
•3)
Set th
e M
ST
P C
on
figura
tio
n p
ara
mete
rs identica
l:N
am
e,
Revis
ion
#,
Mapp
ing b
etw
een V
LA
Ns a
nd I
nsta
nce
s 48
3-2
P
VS
T-M
ST
P
Inte
rop
era
bili
ty
Vario
us S
pannin
g-T
ree B
PD
Us
50
80
2.1
D
PV
ST
+ o
n
Cis
co
Tru
nk
po
rts
Un
tag
ged
IEE
E D
es
tin
ati
on
MA
C:
01
:80:c
2:0
0:0
0:0
0
Ta
gg
ed
Cis
co
Des
tin
ati
on
MA
C:
01
:00:0
c:c
c:c
c:c
d
RS
TP
80
2.1
w
MS
TP
80
2.1
sC
ST
In
form
atio
nIS
T I
nfo
.M
ST
I
Info
.
….
ad
diti
on
al
MS
TI
Info
.
MS
TP
Sp
eci
fic
Para
mete
rs
RS
TP
and M
ST
P C
om
mon
Un
tag
ged
IEE
E D
es
tin
ati
on
MA
C:
01
:80:c
2:0
0:0
0:0
0
Un
tag
ged
IEE
E D
es
tin
ati
on
MA
C:
01
:80:c
2:0
0:0
0:0
0
VL
AN
1 a
llo
we
d o
n t
run
kIE
EE
De
sti
na
tio
n M
AC
:
01
:80:c
2:0
0:0
0:0
0
Un
tag
ge
d f
or
na
tive
VL
AN
Cis
co
Des
tin
ati
on
MA
C:
01
:00:0
c:c
c:c
c:c
d
Desig
n #
1 w
ith P
VS
T+
& M
ST
P/R
ST
P
51
PV
ST
+
or
Ra
pid
PV
ST
+ XSTP blocked
port
802.1D, 802.1w or 802.1s
ST
P r
oo
t
for
VL
AN
1,2
,3,4
,5,6
Pros: sim
ple and still use PVST+ for backbone
Cons: no load balancing
ST
P b
ac
ku
p r
oo
t
for
VL
AN
1,2
,3,4
,5,6
Cis
co
Cis
co
Pro
Cu
rve
Desig
n #
1 C
isco P
VS
T+
vie
w for
VLA
N 1 5
2
IEEE BPDUsare exchanged between all switches
PV
ST
+
or
Ra
pid
PV
ST
+ XSTP blocked
port
802.1D, 802.1w or 802.1s
STP root
for VLAN 1
STP backup root
for VLAN 1
Cis
co
Cis
co
Pro
Cu
rve
De
sig
n #
1vie
w fo
r a
ll o
the
r V
LA
Ns
53
PV
ST
+
or
Ra
pid
PV
ST
+S
TP
ro
ot
for
VL
AN
2,3
,4,5
,6
The ProCurve switch will also block the PVST+ BPDUsas the whole
port is blocked.
Therefore the right Cisco switch will not receive any PVST+ BPDU
through the ProCurve switch.
Cis
co
Cis
co
ST
P b
acku
p r
oo
t
for
VL
AN
2,3
,4,5
,6
Cis
co R
apid
-PV
ST
+W
hat B
PD
Us
are
sen
t out
of
trunk p
ort
s? 5
4
If th
e V
LA
N 1
is n
ot a
llow
ed
on
a tru
nk p
ort
no
IE
EE
BP
DU
is s
en
t o
ut !!!
interface GigabitEthernet 1/20
switchport trunk encapsulation dot1q
switchport trunk native vlan 1
switchport trunk allowed vlan 1-3
switchport mode trunk
interface GigabitEthernet 1/20
switchport trunk encapsulation dot1q
switchport trunk native vlan 1
switchport trunk allowed vlan 2-3
switchport mode trunk
IEE
E 8
02.1
w B
PD
U
un
tag
ged
PV
ST
BP
DU
fo
r V
LA
N 1
PV
ST
BP
DU
fo
r all
tag
ged
VL
AN
S
PV
ST
BP
DU
fo
r all
tag
ged
VL
AN
S
(VL
AN
2,3
)
Cis
co R
apid
-PV
ST
+W
hat B
PD
Us
are
sen
t out
of
access p
ort
s?
55
Use
tru
nk p
ort
con
fig
ura
tion
on
all
inte
rsw
itch
links !
interface GigabitEthernet 1/20
switchport access vlan 10
switchport mode access
interface GigabitEthernet 1/20
switchport access vlan 10
switchport mode access
Switchport voice vlan 20
IEE
E 8
02.1
w B
PD
U
un
tag
ged
PV
ST
BP
DU
fo
r V
LA
N 1
0
PV
ST
BP
DU
fo
r ta
gg
ed
vo
ice V
LA
N 2
0
De
sig
n #
1 C
isco
Ra
pid
PV
ST
+
56
Rapid PVST+ X
MSTP
STP root
for VLAN 1,2,3,4,5,6
Gig
2/x
Gig
2/x
po
1p
o1
a24
b24
a1-a
20,b
1-b
20,c
1-c
24,d
1-d
24
STP backup root
for VLAN 1,2,3,4,5,6
Cis
co
Cis
co
Pro
Cu
rve
PV
ST
-M
ST
P Inte
ropera
bili
ty p
lannin
g
1)
On C
isco T
runk inte
r-sw
itch lin
ks,
make s
ure
that
VLA
N 1
is
allo
wed (
oth
erw
ise o
nly
non-s
tand
ard
BP
DU
’sw
ill b
e
sent)
2)
Take s
pecia
l care
of th
e R
oot
and s
econd
ary
Root
se
tup
on V
LA
N 1
as C
isco a
nd P
roC
urv
e s
witches w
ill
inte
rop
era
te t
hro
ugh the s
tandard
BP
DU
s.
3)
To g
et fa
ste
r converg
ence,
set
Rap
id-P
VS
T inste
ad o
f P
VS
T+
on C
isco S
witches.
57
Desig
n #
2 P
VS
T+
with load
bala
ncin
g
58
STP root
for VLAN 4,5,6
PVST+
or
RapidPVST+
XSTP blocked
for VLAN 4,5,6
802.1D, 802.1w or 802.1s
STP root
for VLAN 1,2,3
PVST+
or
RapidPVST+
XSTP blocked
for VLAN 1,2,3
802.1D, 802.1w or 802.1s
Pros: load balancing and PVST+ for backbone
Cons: more complex to configure and troubleshoot
Be sure to tweak
STP that blocking
occurs on the Cisco
switches !!!
STP backup root
for VLAN 1,2,3
STP backup root
for VLAN 4,5,6
Cis
co
Cis
co
Pro
Cu
rve
Cis
co
Cis
co
Pro
Cu
rve
Desig
n #
2 C
isco P
VS
T+
vie
w for
VLA
N 1
59
STP root G
ig2/1
Gig
2/8
Gig
2/1
Gig
2/8
po
1p
o1
a24
a24
b24
b24
a1-a
20,b
1-b
20,c
1-c
24,d
1-d
24
. . .
1.
Wh
y a
re t
he
po
rts
b2
4 o
n
the
Pro
Cu
rve
sw
itc
he
s i
n t
he
blo
ck
ing
sta
te a
nd
no
t th
e
po
rts
Gig
2/1
to
Gig
2/8
on
th
e
rig
ht
Cis
co
sw
itc
h?
STP backup root
second lowest Bridge-ID
IEE
E B
PD
Us
are
excha
nged
be
twe
en
all
sw
itch
es
X X
Cis
co
Cis
co
Pro
Cu
rve
Pro
Cu
rve
Desig
n #
2 C
isco P
VS
T+
vie
w for
VLA
N 1
STP port
cost 20000
STP port
cost 20000
STP port cost20000
STP port cost 20000
ST
P p
ort
co
st
20000
ST
P r
oo
t
Gig
2/1
Gig
2/8
Gig
2/1
Gig
2/8
po
1p
o1
a24
a24
b24
b24
a1-a
20,b
1-b
20,c
1-c
24,d
1-d
24
. . .
2.
Wh
at
do
yo
u h
ave t
o c
han
ge t
o
blo
ck t
he p
ort
s G
ig 2
/1 a
nd
Gig
2/8
on
th
e r
igh
t C
isco
sw
itch
?
ST
P b
acku
p r
oo
t
seco
nd
lo
west
Bri
dg
e-I
D
XX
ST
P p
ort
co
st
30000
IEE
E B
PD
Us
are
excha
nged
be
twe
en
all
sw
itch
es
Cis
co
Cis
co
Pro
Cu
rve
Pro
Cu
rve
Desig
n #
2C
isco P
VS
T+
vie
w for
all
oth
er
VLA
Ns
61
•All
tagge
d C
isco P
VS
T B
PD
Us
wh
ich a
re s
ent
to t
he C
isco
specific
multic
ast
MA
C a
ddre
ss 0
1:0
0:0
c:c
c:c
c:c
d a
re f
orw
ard
ed
uncha
nge
d b
y P
roC
urv
e s
witches a
s a
ny o
ther
fram
e !
!!
ST
P p
ort
co
st
20000
ST
P p
ort
co
st
20000
ST
P p
ort
co
st
20000 X
STP root Gig
2/1
Gig
2/8
Gig
2/1
Gig
2/8
po
1p
o1
. .
1.
Wh
y m
igh
t S
pan
nin
g-T
ree b
lock
the p
ort
s o
n p
o1 f
or
the o
ther
VL
AN
s?
2.
Ho
w d
o y
ou
make s
ure
th
at
the
po
rts G
ig2/1
to
Gig
2/8
of
the r
igh
t
Cis
co
sw
itch
are
blo
ckin
g a
nd
no
t
po
1?
Xlow
est
po
rt I
D
win
s
Cis
co
Cis
co
Desig
n #
2C
isco P
VS
T+
vie
w for
all
oth
er
VLA
Ns
62
•All
tagge
d C
isco P
VS
T B
PD
Us
wh
ich a
re s
ent
to t
he C
isco
specific
multic
ast
MA
C a
ddre
ss 0
1:0
0:0
c:c
c:c
c:c
d a
re f
orw
ard
ed
uncha
nge
d b
y P
roC
urv
e s
witches a
s a
ny o
ther
fram
e !
!!
ST
P p
ort
co
st
20000
ST
P p
ort
co
st
20000
ST
P p
ort
co
st
20000
STP root
Gig
2/1
Gig
2/8
Gig
2/1
Gig
2/8
po
1p
o1
. .
2.
Ho
w d
o y
ou
make s
ure
th
at
the p
ort
s
Gig
2/1
to
Gig
2/8
of
the r
igh
t C
isco
sw
itch
are
blo
ckin
g a
nd
no
t p
o1?
ST
P p
ort
co
st
10000
XX
Cis
co
Cis
co
PV
ST
-M
ST
P Inte
rop
era
bili
ty p
lan
nin
gw
ith loa
d b
ala
ncin
g
1)
Sta
rt s
etu
p a
s in p
revio
us s
cenari
o
2)
If C
isco s
witches a
re in t
he C
ore
, to
get P
VS
T load
ba
lancin
g
•In
cre
ase C
ost o
f In
ter-
Core
lin
k in
VL
AN
1 (
E.g
.: 3
00
00)
•R
ed
uce
Co
st o
f In
ter-
Co
re lin
k in
oth
er
VL
AN
s (
E.g
.: 1
00
00)
3)
Set
prioritie
s o
n R
oot
and S
eco
nd
ary
root to
get
load
ba
lancin
g b
etw
een V
LA
Ns
63
4 H
ard
en
ing
Sp
an
nin
g-T
ree
Sp
an
nin
g-T
ree
pro
ble
ms
•Un
sta
ble
ST
P c
an
be
ca
use
d b
y:
−U
ni-d
irectio
na
l lin
ks
−R
ogu
e d
evic
es t
alk
ing S
TP
−P
erm
ane
nt
ST
P topolo
gy c
han
ges d
ue t
o fla
pp
ing p
ort
s o
r E
nd U
ser
port
s n
ot set to
edge m
ode (
port
fast)
−Loo
ps n
ot dete
cte
d b
y S
TP
65
Sp
an
nin
g-T
ree
Ha
rde
nin
g F
ea
ture
s
Re
mo
te-F
au
lt N
otifica
tio
n (
RF
N)
usin
g A
uto
neg
otia
tio
n
Re
mo
te-F
au
lt N
otifica
tio
n (
RF
N)
usin
g A
uto
neg
otia
tio
n
Un
i-d
ire
ctiona
l L
ink D
ete
ctio
n
(UD
LD
)
Un
i-d
ire
ctiona
l L
ink D
ete
ctio
n
(UD
LD
)
BP
DU
-pro
tectio
nB
PD
U-G
ua
rd
Lo
op-p
rote
ct
Ke
ep
aliv
e
Ro
ot-
Gu
ard
Ro
ot-
Gu
ard
-L
oo
p-G
uard
66
Pro
Cu
rve
Cis
co
5-
La
yer-
2
Dis
co
ve
ry
Pro
toco
lsC
DP
an
d L
LD
P
CD
P a
nd L
LD
PProCurve
Cisco
CDP
by default enabled on all ports in receive
mode only. Transmitting of CDP packets is no
longer supported.
CDPby default enabled on all ports
LLDPby default enabled on all ports
Support on LLDPhas started on Cisco Catalyst
switches series 2960, 3760, 3750 switches
running 12.2(37)SE without SNMP MIB support
and on Cisco Catalyst 6500 running
12.2(33)SXH
68
CD
P T
XL
LD
P T
X
LL
DP
, C
DP
RX
CD
P R
X
Cis
co
Pro
Cu
rve
CD
P t
ab
le,
CD
P M
IB
LL
DP
tab
le,
LL
DP
MIB
A C
isco
sw
itch
is v
isib
le
in t
he L
LD
P a
nd
CD
P t
ab
le a
s e
ntr
ies
are
cro
ss p
op
ula
ted
CD
P t
ab
le,
CD
P M
IB
LL
DP
tab
leP
rocu
rve
sw
itch
vis
ible
Pro
cu
rve
sw
itch
NO
T v
isib
le
LL
DP
MIB
no
t yet
su
pp
ort
ed
6-
Ga
tew
ay
Re
dund
an
cy
Pro
toco
lsH
SR
P-
VR
RP
Ho
t S
tan
db
y R
ou
tin
g P
roto
co
l (H
SR
P)
Cis
co
in
form
atio
na
l R
FC
228
1 (
Marc
h 1
99
8)
70
IP:
10.1
.1.2
MA
C:
0000.0
c12.3
456
vIP
:
10.1
.1.1
vM
AC
:0000-0
c07.a
c00
IP:
10.1
.1.3
MA
C:
0000.0
c78.9
ab
c
vIP
:
vM
AC
:
IP:
10.1
.1.2
1
MA
C:
aaaa.a
aaa.a
aaa
GW
:
10.1
.1.1
AR
P:
0000-0
c07.a
c00
•A
gro
up o
f ro
ute
rs f
unction
as o
ne v
irtu
al ro
ute
r by
sharing
ON
E v
irtu
al
IP a
dd
ress a
nd
ON
E v
irtu
al
MA
C a
dd
ress.
•O
ne a
ctive r
oute
r perf
orm
s
packet fo
rward
ing o
f lo
cal
hosts
•T
he r
est
of
the r
oute
rs
pro
vid
e „
hot sta
ndby“
in c
ase
the local ro
ute
r fa
ils.
•S
tandby r
oute
rs s
tay idle
as
far
as p
acket fo
rward
ing f
rom
the c
lient sid
e is c
oncern
ed.
•V
irtu
al IP
addre
ss is a
lwa
ys
pin
gable
and a
nsw
ering to
SN
MP
requests
Cli
en
t
Ac
tive
HS
RP
Ro
ute
rS
tan
db
y H
SR
P R
ou
ter
Cis
co
Cis
co
Cata
lyst
4500/6
500 H
igh
Avail
ab
ilit
y:
•Hot
Sta
ndby R
oute
r P
roto
col (H
SR
P)
•Virtu
al R
oute
r R
edundancy P
roto
col (V
RR
P)
•Gate
way L
oad B
ala
ncin
g P
roto
col (G
LB
P)
Q.
Do
es t
he C
isco
Cata
lyst
3750 S
eri
es s
up
po
rt V
RR
P?
A.
No.
In c
ert
ain
situations H
SR
P c
an b
e u
sed inste
ad.
Virtu
al R
oute
r R
edun
dancy P
roto
col (V
RR
P)
IET
F S
tan
da
rd R
FC
233
8, 3
76
8 (
Apri
l 1
99
8, A
pri
l 2
00
4)
71
IP:
10.1
.1.1
MA
C:
0000.0
c12.3
456
vIP
:
10.1
.1.1
vM
AC
:0000.5
e00.0
101
IP:
10.1
.1.2
MA
C:
0000.0
c78.9
ab
c
vIP
:
vM
AC
:
IP:
10.1
.1.2
1
MA
C:
aaaa.a
aaa.a
aaa
GW
:
10.1
.1.1
AR
P:
0000.5
e00.0
101
•A
gro
up o
f ro
ute
rs f
unction a
s
one v
irtu
al ro
ute
r by s
haring
ON
E v
irtu
al
IP a
dd
ress a
nd
ON
E v
irtu
al
MA
C a
dd
ress.
•O
ne m
aste
r ro
ute
r perf
orm
s
packet fo
rward
ing o
f lo
cal hosts
•T
he r
est
of
the r
oute
rs p
rovid
e
backup in c
ase t
he local ro
ute
r
fails
.
•B
ackup r
oute
rs s
tay idle
as f
ar
as p
acket fo
rward
ing f
rom
the
clie
nt sid
e is c
oncern
ed.
•V
irtu
al IP
addre
ss is o
nly
pin
g-
able
and a
nsw
ering S
NM
P
requests
on the V
RR
P o
wner
Cli
en
t
Maste
r V
RR
P R
ou
ter
Ow
ner
of
vIP
ad
dre
ss
Backu
p V
RR
P R
ou
ter
No
n-O
wn
er
of
vIP
ad
dre
ss
Pro
Cu
rve
Pro
Cu
rve
Pro
Cu
rve 3
500
yi;
5400zl;
8212zl
Hig
h A
vail
ab
ilit
y:
Only
Virtu
al R
oute
r R
edundancy P
roto
col (V
RR
P)
7-
PO
E, Q
OS
an
d
IP p
ho
ne
s
Multi-V
end
or
Supp
ort
Sha
red c
onn
ection
s f
or
PC
and I
P-p
hon
e
73
Ho
w d
oes
IP
ph
on
e a
uto
-co
nfi
gu
re t
he
vo
ice
VL
AN
an
d Q
oS
?
1.
Auto
-config
“vo
ice”
VLA
N a
nd L
2/L
3 Q
oS
usin
g L
LD
P-M
ED
(P
roC
urv
e s
witches)
or
CD
Pv2 (
Cis
co s
witches)
2.
Man
y p
ho
nes s
upport
“ven
dor
specific
”D
HC
P p
rocess f
or
au
to-c
onfig
–A
va
ya
, A
lca
tel, M
ite
l, S
iem
en
s,
Sh
ore
Te
le
tc…
–D
HC
P s
erv
er
on
da
ta V
LA
N a
dve
rtis
es v
oic
e V
LA
N I
D a
nd
Qo
S
3.
One-t
ime m
an
ual configura
tio
n
–F
or
Cis
co
, se
t th
e a
dm
in V
LA
N I
D v
ia t
he
Ne
two
rk C
on
fig
ura
tio
n s
etu
p w
he
n
co
nn
ectin
g t
o a
Cis
co
ne
two
rk
IP phone
PC
Untagged data VLAN
tagged voice VLAN
Untagged
data VLAN
DH
CP
serv
er
IP P
BX
IP
netw
ork
VLA
N c
onfig
ura
tion
co
mparison
Sw
itch-t
o-I
P-p
hon
e c
onn
ection w
ith P
C
74
Pro
Cu
rve
Cis
co
vla
n2
un
tag
ged
a1
vla
n3
vo
ice
tag
ged
a1
inte
rface G
igab
itE
thern
et
1/2
0
sw
itch
po
rt
sw
itch
po
rtaccess v
lan
2
sw
itch
po
rt m
od
e a
ccess
sw
itch
po
rt v
oic
e v
lan
3
a1
G1/2
0L
LD
P-M
ED
:
Vo
ice V
LA
N
ID=
3
Mo
de:
tag
ged
CD
Pv2
:
Vo
ice V
LA
N I
D=
3
Mo
de:
tag
ged
Pro
Cu
rve
Cis
co
LL
DP
-ME
Dsupport
has s
tart
ed o
n
Cis
co C
ata
lyst s
witches 3
760,
3750, 2960, 2970 s
witches r
unnin
g
12.2
(37)S
E a
nd o
n C
isco C
ata
lyst
6500 r
unnin
g 1
2.2
(33)S
XH
LL
DP
-ME
D:
Vo
ice V
LA
N I
D=
3
Mo
de:
tag
ged
Cis
co
IP
ph
one
bo
ot p
roce
ss
CD
Pv2
an
d p
re-s
tan
da
rd P
oE
75
Cis
co
pre
-sta
nd
ard
Po
E:
Fas
t L
ink
Pu
lse
Re
flec
ted
Fa
st
Lin
k P
uls
e
CD
P:
Po
wer
req
uir
em
en
t
CD
P:
vo
ice
VL
AN
ID
DH
CP
re
qu
es
t in
vo
ice
VL
AN
DH
CP
res
po
ns
e:
IP a
dd
., G
ate
wa
y,
TF
TP
se
rve
r
TF
TP
re
qu
es
t fo
r c
on
fig
ura
tio
n
TF
TP
re
qu
es
t o
f c
on
fig
ura
tio
n
SC
CP
or
SIP
re
gis
tra
tio
n w
ith
Ca
llm
an
ag
er
Cis
co
79
60
G
Cis
co
79
40
G
Sw
itc
h
DH
CP
Se
rve
r
Cis
co
Ca
llm
an
ag
er
Cis
co
IP
ph
one
bo
ot p
roce
ss
LL
DP
-ME
D a
nd
80
2.3
af
Po
E
76
IEE
E 8
02
.3a
f: A
pp
ly v
olt
ag
e a
nd
cla
ss
ify d
evic
e
Re
turn
cu
rre
nt
LL
DP
-ME
D:
Po
E r
eq
uir
em
en
t, f
irm
ware
, seri
al#
LL
DP
-ME
D:
vo
ice
VL
AN
ID
, e
tc …
DH
CP
re
qu
es
t in
vo
ice
VL
AN
DH
CP
res
po
ns
e:
IP a
dd
., G
ate
wa
y,
TF
TP
se
rve
r
TF
TP
re
qu
es
t fo
r c
on
fig
ura
tio
n
TF
TP
re
qu
es
t o
f c
on
fig
ura
tio
n
SC
CP
or
SIP
re
gis
tra
tio
n w
ith
Ca
llm
an
ag
er
Cis
co
79
41
/42
/61
/62
G
Cis
co
79
70
/71
/75
G
Sw
itc
h
DH
CP
Se
rve
r
Cis
co
Ca
llm
an
ag
er
LL
DP
-ME
Dis
su
pp
ort
ed
in
th
e f
oll
ow
ing
mo
dels
sin
ce r
ele
ase 8
.3(3
):
7906G
, 7911G
, 7931G
, 7941G
/7941G
-GE
, 7942G
, 7945G
, 7961G
/7961G
-GE
,
7962G
, 7965G
, 7970G
/7971G
-GE
, 7975G
Cis
co
79
45
/65
G
(CD
Pv2
is s
till
sup
po
rted
)
Diffe
ren
t tr
aff
ic n
ee
d d
iffe
rent
prioritization
77
Vo
ice
Str
ea
m
RT
P
IP P
ho
ne B
IP P
ho
ne A
Sig
nalin
g
SIP
, H.3
23, S
kinn
y (S
CCP)
Sig
nal
ing
SIP
, H.3
23, S
kinny
(SC
CP)
PC
PC
da
tad
ata
IP
ne
two
rk
PC
wit
h
So
ft p
ho
ne
IP P
BX
QO
S D
efa
ult o
n P
roC
urv
e
L2
QO
S (
80
2.1
p)
is t
ruste
d b
y d
efa
ult
If P
ho
ne
send
ta
gg
ed
fra
me
s w
ith
802.1
p p
riori
ty, it is tru
ste
d
No
add
itio
na
l se
tup
is n
ee
de
d
L3
QO
S (
DS
CP
) is
tru
ste
d
It h
as to b
e e
na
ble
d
qostype-of-service diff-services
A m
ap
pin
g b
etw
een
dscp
an
d 8
02.1
p h
as t
o e
xis
t
show qosdscp-map
QoS
cla
ssific
ation #
1
for
hard
ph
on
es (
no tru
st)
79
•qos
type-of-service diff-services
•vlan
1
•name data
•untagged a1-a20,b1-b20,c1-c24,d1-d24,e1-e24,f1-f24
•tagged a24,b24
•qos
dscp
000000
•vlan
2
•name voice
•tagged a1-a20,a24,b1-b20,b24,c1-c24,d1-d24 ,e1-e24,f1-f24
•qos
dscp
101110
•qos
dscp-map 000000 priority 0 name BE
•qos
dscp-map 101110 priority 7 name EF
Cla
ssif
icati
on
based
on
VL
AN
s
an
d o
verr
idin
g
DS
CP
bit
s
(Mark
ing
)
Map
pin
g o
f D
SC
P v
alu
es f
or
the q
ueu
es
(46
)
(0)
En
ab
lin
g r
eco
gn
itio
n o
f
L3 Q
OS
/ D
SC
P c
od
e
po
ints
8-
Ne
two
rk A
cce
ss
Co
ntr
ol
Deep D
ive o
n N
AC
81
Multi-user
auth
entication o
n the s
am
e p
ort
802.1
X -
MA
C a
uth
.–W
EB
auth
.
81
1.
Secu
re a
uth
en
ticati
on
of
IP p
ho
ne a
nd
PC
wit
h a
sin
gle
co
nn
ecti
on
802.1
x –
Mac -
Web
2.
LL
DP
-ME
D t
o a
uto
-pro
vis
ion
ph
on
e w
ith
vo
ice V
LA
N a
nd
Qo
S
3.
LL
DP
-ME
D f
or
deta
iled
to
po
log
y,
ph
on
e i
nven
tory
man
ag
em
en
t, a
nd
lo
cati
on
...
4.
Dyn
am
ic a
ssig
nm
en
t o
f u
nta
gg
ed
data
an
d t
ag
ged
vo
ice V
LA
N a
cco
red
ing
to
RF
C 4
675LDAP, AD,
Flat File
VL
AN
, Q
oS
, A
CL
,
Rate
-lim
it
IDM
User
Database
LL
DP
-ME
D
RADIUS
multi-user
authentication
RF
C
4675
IEE
E
802.3
af
82
802.1
X M
ulti-user
Auth
entication w
ith C
isco
IP P
hone a
nd W
indow
s P
C
5406zl# show port-access authenticator a1 clients
Port Access Authenticator Client Status
Port Client Name MAC Address IP Address Session Status
-----
---------------------------------------------------------------
a1 CP-7970G-SEP000F2322... 000f23-22ddaa n/a Open
a1 PROCURVE\aeinstein 0010a4-a75fc5 n/a Open
5406zl#
show port-access authenticator a1 clients detailed
Port Access Authenticator Client Status Detailed
Client Base Details :
Port : a1
Session Status : Open Session Time(sec) : 0
Frames In : 0 Frames Out : 0
Username : CP-7970G-SEP000F2322... MAC Address : 000f23-22ddaa
IP : n/a
Access Policy Details :
COS Map : 00000000 In Limit % : 0
Tagged VLANs : 6
Out Limit % : 0
RADIUS-ACL List : No Radius ACL List
Client Base Details :
Port : a1
Session Status : Open Session Time(sec) : 0
Frames In : 0 Frames Out : 0
Username : PROCURVE\aeinstein
MAC Address : 0010a4-a75fc5
IP : n/a
Access Policy Details :
COS Map : 00000000 In Limit % : 0
Untagged VLAN : 3
Out Limit % : 0
RADIUS-ACL List : No Radius ACL List
9-
La
yer
2 a
nd
L
aye
r 3
inte
rfa
ce
s
La
ye
r-2 In
terf
ace
s
ProCurve
Cisco
Layer-2 port configuration:
vlan1
untagged a1
Enabled layer-2 protocols by default:
-HP stacking (on most switches)
-LACP passive (on some switches)
-LLDP
Layer-2 port configuration:
interface GigabitEthernet 1/20
switchport
Enabled layer-2 protocols by default:
-Cisco DTP protocol
-Cisco VTP protocol
-Cisco PVST+ protocol
-Cisco CDP protocol
-Keepalive(on copper ports)
84
85La
ye
r-3 In
terf
ace
s
Vla
n100:
1.1
.1.2
Netw
ork
1.1
.1.0
/30
inte
rface g
1/2
0
1.1
.1.1
Netw
ork
2.2
.2.0
/24
Netw
ork
3.3
.3.0
/24
User
Netw
ork
1T
ran
sfe
r N
etw
ork
User
Netw
ork
2
Cis
co
Pro
Cu
rve
La
ye
r-3 In
terf
ace
s
86
ProCurve
Cisco
Layer-3 port configuration:
vlan100
untagged a1
ipaddress 1.1.1.2 255.255.255.252
Enabled layer-2 protocols by default:
-HP stacking (on most switches)
-LLDP
Layer-2 protocols to be disabled per port
if globally enabled:
Spanning-tree:
(config)# spanning-tree a1 bpdu-filter
GVRP:
(config)# no interface a1
(config-eth-a1)#unknown-vlans disable
Layer-3 port configuration:
interface GigabitEthernet 1/20
no switchport
ipaddress 1.1.1.1 255.255.255.252
Enabled layer-2 protocols by default:
-Cisco CDP protocol
-Keepalive(on copper ports)
A s
ep
ara
te V
LA
N f
or
tra
ns
fer
laye
r-3
su
bn
et
ne
ed
s t
o b
e c
rea
ted
10
-IP
Ro
uting
So
urc
es fo
r IP
ro
utin
g in
form
atio
n
•In
form
atio
n in
th
e r
ou
tin
g t
ab
le m
ay b
e
−sta
tically
supp
lied,
by
•d
efin
ing
IP
add
resses o
n V
LA
Ns
•d
efin
ing
sta
tic r
ou
tes to
rem
ote
ne
two
rks
−dynam
ica
lly learn
ed v
ia r
oute
exchan
ge p
roto
cols
, such a
s
•R
IP
•O
SP
F
•B
GP
4
−re
dis
trib
ute
d b
etw
ee
n a
ll sourc
es o
f ro
uting info
rmation
88
OS
PF
89
int
Vla
n1:
1.1
.1.2
Netw
ork
1.1
.1.0
/30
Netw
ork
2.2
.2.0
/24
Netw
ork
3.3
.3.0
/24
User
Netw
ork
1T
ran
sfe
r N
etw
ork
User
Netw
ork
2
Cis
co
Pro
Cu
rve
OS
PF
are
a 0
Vla
n1:
1.1
.1.1
OS
PF
Pro
Cu
rve
Cis
co
router ospf
area 0
interface loopback 1
ipaddress 99.99.99.1
ipospf99.99.99.1 area 0
vlan1
ipaddress 1.1.1.1 255.255.255.0
ipospf1.1.1.1 area 0
ipospfcost 10
vlan2
ipaddress 2.2.2.1 255.255.255.0
ipospf2.2.2.1 passive
ipospf2.2.2.1 area 0
ipospfcost 10
router ospf1
passive-interface Vlan3
network 1.1.1.2 0.0.0.0 area 0
network 3.3.3.1 0.0.0.0 area 0
network 99.99.99.2 0.0.0.0 area 0
interface Loopback1
ipaddress 99.99.99.2 255.255.255.255
ipospfcost 10
interface Vlan1
ipaddress 1.1.1.2 255.255.255.0
ipospfcost 10
interface Vlan3
ipaddress 3.3.3.1 255.255.255.0
ipospfcost 10
90
11
-A
cce
ss
Co
ntr
ol L
ists
AC
L o
n P
roC
urv
e
•Pro
Cu
rve
OS
su
pp
ort
s
•S
tan
da
rd &
Ex
ten
de
d A
CL
•N
um
be
red
(1
-99
, 10
0-2
00
) &
Na
me
d A
CL
s
•R
ou
ted
AC
L (
ap
plie
d t
o In
bo
un
d a
nd
Ou
tbo
un
d r
ou
ted
tra
ffic
)
•V
LA
N A
CL
(a
pp
lie
d t
o in
bo
un
d s
wit
ch
ed
tra
ffic
)
•S
tati
c a
nd
Dyn
am
ic P
ort
AC
L (
ap
plied
to
in
bo
un
d s
wit
ch
es
tra
ffic
) 92
VL
AN
AC
L
Po
rt A
CL
Ro
ute
d A
CL
L3
L2
L2
AC
L o
n P
roC
urv
e
•AC
L e
xa
mp
le•ProCurve(config)# ipaccess-list extended visitors
•ProCurve(config-acl)# deny ipany 10.0.0.0/8
•ProCurve(config-acl)# permit udpany anyeqdns
•ProCurve(config-acl)# permit tcpany anyeqhttp
•ProCurve(config-acl)# deny ipany anylog
•ProCurve(config-acl)# exit
•ProCurve(config)# vlan100 ipaccess-group visitors in
93
Ma
na
ge
AC
L o
n P
roC
urv
e•A
CL
en
trie
s a
re n
um
be
red
.
•ProCurve(config)# show access-list config
•ip
access-list extended “visitors"
•10 deny ip
0.0.0.0 255.255.255.255 10.0.0.0 0.0.0.255
•20 permit udp
0.0.0.0 255.255.255.255 0.0.0.0 255.255.255.255 eq
dns
•30 permit tcp
0.0.0.0 255.255.255.255 0.0.0.0 255.255.255.255 eq
http
•40 deny ip
0.0.0.0 255.255.255.255 0.0.0.0 255.255.255.255 log
•exit
•Se
qu
en
ce
nu
mb
er
ca
n b
e c
ha
ng
ed
an
d u
se
d f
or
ins
ert
ion
an
d r
em
ova
l.
•E.g
.: I
ns
ert
an
en
try (
nu
mb
ere
d a
re a
ss
ign
ed
by r
an
ge
of
10
)
•ProCurve(config-acl)# 5 permit ip
any host 10.1.234.172
•ProCurve(config-acl)# 25 remark
“permit dns
and http
”
•E.g
: R
em
ove
an
en
try
•ProCurve(config-acl)# no 20
94
Cre
ate
AC
L O
fflin
e a
nd load it to
Runnin
g
config
•F
or
a l
arg
e A
CL
use o
fflin
e m
eth
od
to
ed
it y
ou
r A
CL
1.
mo
ve y
ou
r e
xis
tin
g A
CL
if
an
y t
o a
TF
TP
serv
er
•ProCurve# copy command-output 'show access-list config' tftp
10.1.1.100 acl02.txt pc
2.
Ed
it A
CL
off
lin
e u
sin
g a
text
(.tx
t) f
ile f
orm
at
3.
use T
FT
P t
o lo
ad
an
off
lin
e A
CL
in
to t
he s
wit
ch
’s r
un
nin
g-c
on
fig
•ProCurve(config)# copy tftpcommand-file 10.10.10.1 acl02.txt pc
•Running configuration may change, do you want to continue [y/n]? Y
95
Co
nclu
sio
n
Co
nclu
sio
n
•In
tero
pe
rab
ility
wo
rks!
−V
LA
N inte
ropera
bili
ty is q
uite e
asy to m
anag
e
−F
or
link a
ggre
gation u
se n
o p
roto
cols
or
LA
CP
−P
ay s
pecia
l att
ention to S
pan
nin
g-T
ree
•P
refe
r M
ST
P w
he
ne
ver
possib
le
•O
r R
ap
id-P
VS
T o
n C
isco
with
RS
TP
/MS
TP
on
Pro
Cu
rve
•M
ake
sure
VL
AN
1 is a
llow
ed
on
Cis
co tru
nks
−IP
Routing p
roto
cols
inte
ropera
tes
97
Tech
no
logy fo
r b
ette
r b
usin
ess o
utc
om
es
