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Chapter 4
Configuring VISM Features
Configuring a Virtual Circuit Connection Identifier
Complete the following steps to configure a VCCI for the switched AAL2 PVC operating mode:
Type the cnfconvcci command, lcn, vcci-num, addr-type, and |fe-addr| argument values, and press Enter
Step 1
to create a new VCCI with an associated logical channel number and a remote ATM address. Specify the
arguments with the following values:
•
•
•
•
Repeat
Step 2
You have completed configuring VCCIs for the switched AAL2 PVC operating mode. Proceed to the
"Modifying the AAL2 PVC Operating Mode Profile Table" section on page
Modifying the AAL2 PVC Operating Mode Profile Table
A profile table is associated with each AAL2 operating mode. This profile table specifies the encoding
format, which tells the card how to interpret the packets.
You can use the dspaal2profile command to see the values for a profile type.
default values for ITU profile type 1.
Example 4-1
nodename.1.28.VISM8.a > dspaal2profile 1 1
Codepoint
Range
0-15
0-15
Table 4-4
Table 4-4
Field
UUI Codepoint Range
Packet Length (octets)
Codec
SID
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
lcn: In the range from 131 to 510.
vcci-num: In the range from 0 to 65535.
addr-type (address type):
1 = Not applicable
–
–
2 = Network service access point (NSAP); a 20-byte hexadecimal address
–
3 = E.164 public network addressing; a 1- to 15-byte decimal address
–
4 = Gateway ID; a 1- to 64-byte ASCII character address
5 = Unspecified
–
|fe-addr|: The actual remote address
Step
1, as needed, to configure VCCIs on other LCNs.
Default Values for ITU Profile 1
UUI
Packet
Length
(octets)
Codec
40
PCMU
40
PCMA
describes the fields shown in the display.
dspaal2profile Field Descriptions
Description
User-to-user indication.
Packet length for the encoding format.
Type of codec.
Silence insertion descriptor.
Packet
Seq. No.
Time
Interval
SID
M
(ms)
(ms)
No SID
1
5
No SID
1
5
Cisco VISM Installation and Configuration Guide
Configuring VISM Features
4-39.
Example 4-1
5
5
shows the
4-39
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