3Com MSR 50 Series Configuration Manual page 134

134 C 5: ATM C
HAPTER ONFIGURATION
To do...
Enter system view
Create an ATM class and enter ATM class view
Specify ATM AAL5 encapsulation type for the
PVC
Start transmission of OAM F5 Loopback cells or
retransmission check of OAM F5 Loopback
Set the Set the PVC's service cbr output-pcr
PVC's service type
service to constant
type and bit rate (CBR)
rate-rela
Set the PVC's service ubr output-pcr
ted
service type
paramet
to
ers
unspecified
bit rate
(UBR), and
set the
relevant rate
parameters
Set the PVC's service vbr-nrt output-pcr output-scr
service type output-mbs
to variable
bit rate-non
real time
(VBR-NRT),
and set the
relevant rate
parameters
Set the PVC's service vbr-rt output-pcr output-scr
service type output-mbs
to variable
bit rate-real
time
(VBR-RT),
and set the
relevant rate
parameters
Use the command... Remarks
system-view -
atm class Required
atm-class-name
encapsulation Optional
aal5-encap
By default,
aal5snap
encapsulation is
adopted.
oam frequency Optional
frequency [ up
By default, OAM F5
up-count down
Loopback cell
down-count
transmission is
retry-frequency
disabled, but if an
retry-frequency ]
OAM F5 Loopback
cell is received, it
should be
responded.
By default,
up-count is 3,
down-count is 5
and retry-frequency
is 1 second.
Optional
By default, the
service type of a
PVC is UBR.
You can use these
four commands to
set the service type
and the parameters
concerning
transmission rate.
Note that a newly
configured service
type overwrites the
existing one.