Avaya M770 用户手册
Chapter 8
Permanent Virtual Connections (PVCs and PVPs)
Avaya M770 ATM Switch User’s Guide
115
Removing a traffic descriptor
To remove a traffic descriptor, use the
td free
command:
Note:
A traffic descriptor that is in use cannot be freed. First, you will need to free
the VCLs that are using the traffic descriptor.
Listing the traffic descriptors
To list all traffic descriptors, use the
td show
command:
The
td show
command displays the information described in Table 8.5.
Parameters:
<td_id>
An unique identifier for this traffic descriptor.
<pcr0+1>
The combined PCR for all cells regardless of whether the CLP bit is set
in the ATM cell header.
in the ATM cell header.
<scr0>
The SCR for cells where the CLP bit is not set.
<mbs0>
The MBS for cells where the CLP bit is not set.
Command:
M15-155s8:/>td free <td_id>
Example:
M15-155s8:/>td free 1
Parameter:
<td_id>
An identifier for the traffic descriptor.
Command:
M15-155s8:/>td show
Output:
--ID--
--Count---SRC-
---Quality of Service----
1
7
Int
UBR=UBR(Unknown): Best Effort Traffic
2
0
Int
No service!
3
7
Auto
UBR(Best-Effort): PCR0+1=127
4
3
Auto
UBR(Best-Effort): PCR0+1=255
5
4
Auto
UBR(Unknown): PCR0+1=3532
Table 8.5
Output from the td show command
Field
Description
ID
The traffic descriptor identifier.
Count
The number of times the traffic descriptor is used by VCLs.