Beta Draft Confidential
Configuring ATM Traffic Descriptors
Control Channel Default TDs
ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000 1/19/0512-13
Control Channel Default TDs
Each type of control channel is initially configured with a set of default TDs. These
defaults specify the QoS class information and cell rate values for each TD type. See
the following tables to review these defaults:
• Table 12-5, “UNI Signaling Control Channel TD Defaults,” on page 12-13
• Table 12-6, “ILMI Control Channel TD Defaults,” on page 12-14
• Table 12-7, “Trunk Control Channel TD Defaults,” on page 12-15
• Table 12-8, “PNNI Routing Control Channel TDs,” on page 12-16
Table 12-5. UNI Signaling Control Channel TD Defaults
DS1 E1 E3 DS3 OC-3c/
STM1
OC-12c/
STM4
Type
NoClpScr
a
a
The default Type, NoClpScr, represents the following: PCR CLP=0+1, SCR CLP=0+1, MBS
CLP=0+1.
NoClpScr NoClpScr NoClpScr NoClpScr NoClpScr
Class
VBR-NRT VBR-NRT VBR-NRT VBR-NRT VBR-NRT VBR-NRT
PCR
b
(CPS)
b
If the configured logical port bandwidth is less than the physical port bandwidth, then PCR is
100% of logical port bandwidth.
3500 4700 13500 13500 13500
(CBX)
56000 (GX)
13500
(CBX)
56000 (GX)
SCR (CPS)
42 42 500 500 2000 8000
MBS (cells)
16 16 16 16 16 16
Approximate
EBW
c
(CPS)
c
The approximate equivalent bandwidth (EBW) values are based on the use of the default values
with the Lucent CAC in absence of user circuits on the logical port. It is provided here only as an
aid to determine how much total bandwidth is reserved for the control channel.The amount
reserved changes if you modify the TD class or value.
52 52 617 617 2468 9873
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