3com 3031 Instruccion De Instalación
274
C
HAPTER
25: ATM C
ONFIGURATION
Configuring PVC
Follow the procedures in the following table to configure PVC.
The AAL5 encapsulation type for PVC can be
aal5snap
,
aal5mux
or
aal5nlpid
, yet
InARP is not supported when
aal5mux
and
aal5nlpid
encapsulations are
adopted.
And, to change the encapsulation type for PVC to
aal5mux
or
aal5nlpid
, InARP must be disabled first.
Configuring PVC Service
Mapping
PVC service mapping enables different PVCs to bear packets with different
priorities between two IP addresses. Please follow the procedures in the following
table to configure PVC business mapping.
priorities between two IP addresses. Please follow the procedures in the following
table to configure PVC business mapping.
Set the maximum VC number of ATM interface
pvc max-number max-number
Reset the maximum VC number of ATM interface to the
default value
default value
undo pvc max-number
Set the MTU of ATM interface
mtu mtu-number
Reset the MTU of ATM interface to the default value
undo mtu
Table 335 Customizing ATM interface
Table 336 Configuring PVC
Operation
Command
Create a PVC, and enter PVC
View (in ATM Interface View)
View (in ATM Interface View)
pvc { pvc-name [ vpi/vci ] | vpi/vci }
Delete the specified PVC
undo pvc { pvc-name [ vpi/vci ] | vpi/vci }
Set the AAL5 encapsulation
protocol type for specified PVC
(in PVC View)
protocol type for specified PVC
(in PVC View)
encapsulation aal5-encap
Reset the AAL5 encapsulation
protocol type for the PVC to the
default one (in PVC View)
protocol type for the PVC to the
default one (in PVC View)
undo encapsulation
Start the transmissionand
retransmission detection of
OAM F5 Loopback cells
retransmission detection of
OAM F5 Loopback cells
oam frequency frequency [ up up-count down
down-count retry-frequency retry-frequency ]
down-count retry-frequency retry-frequency ]
Set the service type and
relevant rate parameters (in
PVC View)
relevant rate parameters (in
PVC View)
service cbr output-pcr [ cdvt cdvt_value ]
service ubr output-pcr
service vbr-nrt output-pcr output-scr
output-mbs
output-mbs
service vbr-rt output-pcr output-scr
output-mbs
output-mbs
Table 337 Configuring PVC service mapping
Operation
Command
Establish a PVC
pvc { name [ vpi/vci ] | vpi/vci }
Establish a PVC-Group
pvc-group { pvc-name [ vpi/vci ] |
vpi/vci }
vpi/vci }
Delete the specified PVC-Group
undo pvc-group { pvc-name [ vpi/vci ] |
vpi/vci }
vpi/vci }
Establish a PVC inside the PVC-Group
pvc { name [ vpi/vci ] | vpi/vci }
Set priority for the IP packets that the
PVC bears
PVC bears
ip-precedence { pvc-name [ vpi/vci ] |
vpi/vci } { min [ max ] | default }
vpi/vci } { min [ max ] | default }