From: san (san.study@gmail.com)
Date: Sat Jun 04 2005 - 13:20:28 GMT-3
Thomas,
ABR Configuration Parameters
---------------------------------------
You can use either the old-style or new-style PVC command to assign a
PVC to the ABR service category. The old-style PVC command places all
configuration options on a single line, as shown in this example:
interface atm slot/port
atm abr rate-factor <1/RIF> <1/RDF>
atm pvc abr
The new-style PVC command places you in VC configuration mode, from
which you configure two sets of values, as shown here.
interface ATM slot/port
PVC /
abr
abr rate-factor <1/RIF> <1/RDF>
http://www.cisco.com/warp/public/121/atmabr.html
CBR
-------
interface ATM4/0.1 multipoint
ip address 192.168.1.2 255.255.255.0
pvc 1/50
cbr 16000
Recall that CBR guarantees the PCR bandwidth to the VC as long as the
VC is active. The show atm interface atm command displays the amount
of bandwidth available after subtracting the reserved bandwidth
specified in the CBR configuration statements. In the following
example, an ATM OC-3 interface starts with 155 Mbps of bandwidth and
reserves 16 Mbps for the CBR VC.
Router#show atm interface atm 4/0.1
Interface ATM4/0.1:
AAL enabled: AAL5 , Maximum VCs:1024, Current VCCs:5
Maximum Transmit Channels:64
Max. Datagram Size:4496
PLIM Type:SONET - 155Mbps, TX clocking:LINE
Cell-payload scrambling:OFF
sts-stream scrambling:ON
877 input, 120843834 output, 0 IN fast, 20 OUT fast
Bandwidth distribution :CBR :16000 Avail bw = 139000
Config. is ACTIVE
/SAN
On 6/4/05, thomas.rader@freesurf.ch <thomas.rader@freesurf.ch> wrote:
> Hello,
>
> When I try and configure the ATM bit rate under the PVC, I only have options for:
>
> ubr - specify PCR
> ubr+ - specify PCR & MCR
> vbr-nrt - specify PCR, SCR & MBS
>
> I can't find options for configuring abr or cbr.
>
> Does anyone know how I would configure these two ATM bit rates (abr & cbr) ?
>
> Thanks, Thomas
>
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