Installing
and
Configuring
Processor Modules
Permanent
Virtual
Circuit
PVC
Configuration
All
PVCs
configured
into
the router
remain
active
until
the
circuit
is
removed
from
the
configuration
The
PVCs
also
require
permanent
connection
to
the
ATM
switch
All
virtual
circuit
characteristics
apply
to
PVCs
When
PVC
is
configured
all
the configuration
options
are
passed
on
to
the
AlP
These
PVCs
are writable
into the nonvolatile
RAM
NVRAM
as
part
of the
RP
configuration
and
are used
when
the
RP
image
is
reloaded
Some
ATM
switches
have
point-to-multipoint
PVCs
that
do
the equivalent
of broadcasting
If
point-to-multipoint
PVC
exists then
that
PVC
can
be
used
as
the sole broadcast
PVC
for
all
multicast
requests
To
configure
PVC
you must perform
the following
tasks
Create
PVC
Map
Protocol
Address
to
PVC
PVC
Configuration
Commands
When
you
create
PVC
you
create
virtual
circuit
descriptor
VCD
and
attach
it
to
the
VPI
and
VCI
VCD
is
an AlP-specific
mechanism
that
identifies
to
the
AlP
which
VPJJVCI
to
use
for
particular
packet
The
AlP
requires
this
feature
to
manage
the
packets
for transmission
The
number
chosen
for
the
VCD
is
independent
of the
VPIJVCI
used
When
you
create
PVC
you
also
specify
the
AAL
and
encapsulation
rate
queue
is
used
that
matches
the
peak
and
average
rate
selections
which
are
specified
in
kilobits
per
second
Omitting
peak
and
average
value
causes
the
PVC
to
be
connected
to
the highest
bandwidth
rate
queue
available
In
that
case
the
peak
and average
values
are
equal
To
create
PVC
on
the
AlP
interface
use
the
atm
PVC
command
To remove
PVC
use the
no form
of
this
command
atm
PVC
Vcd
vpi
vci
aal-enCap
no
atm
pvc
vcd
For example
RouterConfig
interface
atm
2/0
RouterConfigif
atm
PVC
2048
255
128
aal5enap
10
10
4096
vcdA
per-AlP
unique
index
value
describing
this
VC
in
the
range
of
to
MAXVC
vpiThe
ATM
network
VPI
to
use
for
this
VC
in
the
range
of
through
255
vciThe
ATM
network
VCI
to
use
for
this
VC
in
the
range
of
through
65535
encapsulationThe
encapsulation
type
to
use
on
this
VC
from
the following
aal5muxSpecifies
the
MUX-type
for
this
VC
protocol
type
must be
specified
aal5snapLLC/SNAP
precedes
the protocol
datagram
aal5nlpidNLPID
precedes
the protocol
datagram
aal34smdsSMDS
framing
precedes
the protocol
datagram
qsaalA
signaling
type
VC
protocol-type-for-muxA
protocol
type
compatible
with
the
MUX
is
required
from
the following
protocols
ip decnet
novell vines
xns
peak-rateOptional
The
maximum
rate
in
Kbps
at
which
this
VC
can
transmit
average-rateOptional
The
average
rate
in
Kbps
at
which
this
VC
will transmit
Maintaining
the
Router
5-33
Summary of Contents for 7513 Series
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Page 266: ...Interface Processor LEDs B 16 Cisco 7513 Hardware Installation and Maintenance ...
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