Cisco ISE Software Configuration Guide - Page 18

Configuring Per-VC WRED, Restrictions, SUMMARY STEPS - profiling

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Software Configuration of ATM ISE Line Cards for Cisco 12000 Series Routers How to Configure Layer 3 Terminated VCs on the 4-Port ATM ISE Line Card Step 8 Command or Action interface atmslot/port.subifnum point-to-point Purpose Specifies the ATM subinterface to configure. Step 9 Example: Router(config)# interface atm4/0.1 pvc vpi/vci Specifies the ATM PVC to attach the traffic policy to. Step 10 Example: Router(config-subif)# pvc 4/11 service-policy {input | output} policy-name Attaches the traffic policy to the PVC. Example: Router(config-if-atm-vc)# service-policy output qlimit1 Configuring Per-VC WRED Use this task to configure DSCP-based or precedence-based WRED on a VC. WRED can be configured on both ingress or egress queues, where ingress queues are defined in terms of packets and egress queues are defined in terms of cells. Restrictions • Random-detect cannot be configured on a class that has priority configured. • No more than three different Random Early Detection (RED) profiles can be configured on one class of service (COS) queue. SUMMARY STEPS For precedence-based WRED use Step 7; for DSCP-based WRED use Step 8 or Step 9. 1. enable 2. configure terminal 3. policy-map policy-name 4. class class-name 5. random-detect 6. random-detect exponential-weighting-constant n 7. random-detect precedence precedence min-threshold {cells | packets} max-threshold {cells | packets} [mark-prob-denominator] 8. random-detect dscp-based 9. random-detect dscp dscpvalue min-threshold {cells | packets} max-threshold {cells | packets} [mark-probability-denominator] 10. exit 11. exit 12. interface atmslot/port.subifnum Cisco IOS Release 12.0(27)S 18

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Software Configuration of ATM ISE Line Cards for Cisco 12000 Series Routers
How to Configure Layer 3 Terminated VCs on the 4-Port ATM ISE Line Card
18
Cisco IOS Release 12.0(27)S
Configuring Per-VC WRED
Use this task to configure DSCP-based or precedence-based WRED on a VC. WRED can be configured
on both ingress or egress queues, where ingress queues are defined in terms of packets and egress queues
are defined in terms of cells.
Restrictions
•
Random-detect cannot be configured on a class that has priority configured.
•
No more than three different Random Early Detection (RED) profiles can be configured on one class
of service (COS) queue.
SUMMARY STEPS
For precedence-based WRED use
Step 7
; for DSCP-based WRED use
Step 8
or
Step 9
.
1.
enable
2.
configure
terminal
3.
policy-map
policy-name
4.
class
class-name
5.
random-detect
6.
random-detect exponential-weighting-constant
n
7.
random-detect precedence
precedence min-threshold
{
cells
|
packets
}
max-threshold
{
cells
|
packets
} [
mark-prob-denominator
]
8.
random-detect dscp-based
9.
random-detect dscp
dscpvalue min-threshold
{
cells
|
packets
}
max-threshold
{
cells
|
packets
}
[
mark-probability-denominator
]
10.
exit
11.
exit
12.
interface atm
slot/port.subifnum
Step 8
interface atm
slot
/
port.subifnum
point-to-point
Example:
Router(config)# interface atm4/0.1
Specifies the ATM subinterface to configure.
Step 9
pvc
vpi
/
vci
Example:
Router(config-subif)# pvc 4/11
Specifies the ATM PVC to attach the traffic policy to.
Step 10
service-policy
{
input
|
output
}
policy-name
Example:
Router(config-if-atm-vc)#
service-policy output
qlimit1
Attaches the traffic policy to the PVC.
Command or Action
Purpose