9-15
ATM Switch Router Software Configuration Guide
OL-7396-01
Chapter 9
Configuring Resource Management
Configuring Global Resource Management
Configuring the Threshold Group
To configure the threshold groups on a ATM switch router, perform the following tasks in global
configuration mode:
Table 9-7
Threshold Group Configuration Parameter Defaults
Group
Maximum
Cells
1
1.
Maximum number of cells in threshold group
Maximum
Queue
Limit
2
2.
Maximum (uncongested) per-VC queue limit in cells
Minimum
Queue
Limit
3
3.
Minimum (congested) per-VC queue limit in cells
Mark
Threshold
4
4.
Marking threshold percent full of per-VC queue
Discard
Threshold
5
5.
Discard threshold percent full of per-VC queue
Use
1
65,535
63
63
25%
87%
CBR
2
65,535
127
127
25%
87%
VBR-RT
3
65,535
511
31
25%
87%
VBR-NRT
4
65,535
511
31
25%
87%
ABR
5
65,535
511
31
25%
87%
UBR
6
65,535
1023
1023
25%
87%
well-known VCs
Command
Purpose
Step 1
Switch(config)#
atm threshold-group service
{
cbr
|
vbr-rt
|
vbr-nrt
|
abr
|
ubr
}
group
Assigns a service category to a threshold group.
Step 2
Switch(config)#
atm threshold-group
[
module-id
module
]
1
group
max-cells
number
Configures the maximum number of cells queued
for all connections that are members of the
threshold group.
Step 3
Switch(config)#
atm threshold-group
[
module-id
module
]
1
group
discard-threshold
percent
Configures the threshold of per-connection
queue-full at which the queue is considered full
for CLP
2
discard and EPD
3
.
Step 4
Switch(config)#
atm threshold-group
[
module-id
module
]
1
group
max-queue-limit
number
Configures the largest per-VC queue limit that is
applied to connections in the threshold group.
Step 5
Switch(config)#
atm threshold-group
[
module-id
module
]
1
group
min-queue-limit
number
Configures the smallest per-VC queue-limit that
is applied to connections in the threshold group.
Step 6
Switch(config)#
atm threshold-group
[
module-id
module
]
1
group
name
name
Configures the name associated with a threshold
group.