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Table Of Contents
Numerics - A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - Y -
Index
Numerics
3-level hierarchical policies
parent policies 10
802.1P headers, in nested hierarchical policies 8
8K policy maps 3
A
aa5snap 16
AAA
AAL5 CPCS padding 2
access list command 10
activating traffic engineering
on interfaces 23
on routers 21
adding
ATM bundle members 24
ATM PVCs to bundles 23
Frame Relay
bundle members directly 45
Frame Relay bundle members directly 46
Frame Relay bundle members using map classes 49
AF, See assured forwarding.
aggregate drop profiles 16
assured forwarding, DSCP code point 7
ATM
atm pxf queuing command 8
atm pxf queuing mode 13, 14, 3, 5, 31, 8, 25
attaching policies 5
attaching policies containing the set cos command 26
cell loss priority
marking 14
matching 14
comparing committed rate data for policing and shaping 5
configuring VBR-nrt VC oversubscription 11
interface QoS inheritance 12
line cards
maximum VCs supported 5
VC scaling and hierarchical shaping 7
queuing modes 9
queuing outbound traffic 7
service categories
atm pxf queuing mode 13
no atm pxf queuing mode 13
traffic classes
in atm pxf queuing mode 8
in no atm pxf queuing mode 9
VC oversubscription
allowable oversubscription 4
ATM line cards 5
See also oversubscription.
virtual circuits
unshaped 16
ATM CLP
in random-detect command 31
WRED 11
ATM overhead accounting
configuration examples 9
description 2
verification examples 12
atm oversubscribe command 6
atm over-subscription-factor command 5, 31, 7, 15, 6, 11
atm pxf queuing command 14, 8, 7
atm vc-per-vp command 14
ATM VC queue depth
for flow control 39
AToM
set ATM CLP bit 13
set FR DE bit 14
attaching
MPLS QoS policies to interfaces 8
VC classes to ATM bundles 23
VC classes to bundle members 28
average cell rate,specifying for constant bit rate PVCs 8
average queue size
controlling queue length 20
modifying method of calculation 8
B
bandwidth
allocating PVC bandwidth share 2
allocating unused bandwidth 3
assigning to DLCIs and PVCs 2
avoiding bandwidth starvation 25, 2
bandwidth remaining command 7
bandwidth remaining percent command 10, 14, 37, 47, 26, 46
committed rate data for policing and shaping 5
comparing bandwidth and priority 4, 7
converting specified bandwidth 2, 4, 10
distributing between queues 10
excess bandwidth 4
kilobits per second 10, 7, 9, 11, 13, 16, 14, 37, 47, 26, 46
limiting, advantage of shaping and policing 11
maximum queues supported 9
minimum guaranteed queue buffers 1, 4, 10, 3
minimum percentage 10, 7, 9, 11, 13, 16, 14, 37, 47, 26, 46
overheads in ATM networks 2, 10
overriding default queue limit 6
recalculation after bandwidth changes 26
reservation 2
restrictions 9
specifying bandwidth with the priority command 9, 3
starvation 3
unused bandwidth 4
verifying and monitoring bandwidth 12
bandwidth command 5, 6, 10, 11, 16, 34
non-supporting interfaces 3
bandwidth percent command 4
bandwidth remaining command 7, 3
bandwidth-remaining command 6
bandwidth remaining percent command 10, 3, 7
BBA group
attaching to interfaces 28
bba-group command 27
configuration example 27
configuring PPPoE 27
Bc
committed burst 21
See also committed burst.
Be
calculating 22
metering 22
See also excess burst.
BECN 9
best effort, BE (DSCP 0) 6
bits 14
bottom-level policies
nesting child policies 13
using set and police commands 9
BRAS-DSLAM encapsulation types 3
bump command 5
bump command (Frame Relay VC-bundle-member) 34
bump explicit command 6
bump implicit command 6
bumping
circuit 17
not accepting bumped traffic, configuring 28
bumping PVCs 16
bundles 16
adding
ATM PVC members 23
bundle members 24
Frame Relay members directly 45, 46
Frame Relay members using map classes 49
attaching
configuration examples 30
creating
Frame Relay configuration examples 50
mapping for PVC bundles 42
mapping MPLS EXP to bundle members 32
monitoring bundles 53
protection rules 3
PVC 1
PVC selection 32
restrictions for bundles 17
system limits for bundles 2
traffic bumping 3
verifying bundles 29
burst-excess 7
burst-normal 7
C
CAC, See call admission check.
calculating
bandwidth in kilobits per second 4, 10
committed burst 22
excess burst 22
policing rate 25
call admission check 3
CBR, See constant bit rate.
CBS, See committed burst.
service policy inheritance 5
CEF 20
cell delay variation tolerance 12, 27
cell loss priority
in random-detect command 31
WRED 11
cell loss priority, setting the CLP bit 9, 11, 14
child policies
bandwidth percent command 4
configuration guidelines 13
creating in three-level hierarchical policies 16
description of 4
hierarchical input policing policies 10
nested hierarchical policies 7
three-level hierarchical policies 8
using set and police commands 9
CIR, See committed information rate.
circuit bumping 17
class
deleting from policy map 17
maximum non-class-default classes 9
class-based traffic shaping 3
class-based weighted fair queuing, See CBWFQ.
class-bundle command 7
class command 18, 5, 9, 10, 21
description of 11
minimum bandwidth guarantee 6
classification
defining match criteria 5
classification byte counts 11
classifying packets
by DSCP 9
by group ID 9
by IP precedence level 9
defining match criteria 5
IP packets using class maps 6
restrictions and limitations 11
verifying traffic criteria 13
class-map match command 10
class maps
classifying traffic 11
creating 12
defining 8
example configuration 8
for per session rate limiting 3, 4
Frame Relay 1
maximum number supported 2
system limits 2
class of service
for Layer 2 to Layer 3 mapping 11
for prioritizing packets 11
IEEE 802.1p standard 10
marking 10
recommended values 21
class policies
configuring in a policy map 9
configuring using tail drop 11
configuring using WRED packet drop 12
class queues
allocating queue IDs 6
maximum number 2
scaling limits 2
class selector code points 6, 7
class-vc command 8
CLI, See modular QoS CLI for implementing QoS.
CLP, See ATM cell loss priority.
command line interface, See modular QoS CLI for implementing QoS.
commands
access list 10
atm oversubscribe 6
atm over-subscription-factor 31, 15, 6, 11
atm vc-per-vp 14
bandwidth percent 4
bandwidth-remaining 6
bandwidth remaining percent 10, 3
bba-group 27
bump 5
bump (Frame Relay VC-bundle-member) 34
bump explicit 6
bump implicit 6
class-bundle 7
class-vc 8
dbs enable 12
dscp (Frame Relay VC-bundle-member) 35
encapsulation dot.1q 19
encapsulation dot1.q 22
encapsulation frame-relay 16
exp other 37
frame-relay interface-dlci 17, 16
frame-relay interface-queue 2, 3
frame-relay ip rtp priority 5
frame-relay map-class 16
frame-relay traffic rate 6
frame-relay traffic-shape 7
frame-relay vc-bundle 38
interface multilink 5
interface virtual-template 10, 11
ip rsvp bandwidth 26
map-class frame-relay 12, 19, 53, 4
match access-group 10
match-all 5
match-any 5
match cos 6
match discard-class 6
match fr-de 6
match input-interface 6
match ip dscp 7
match ip precedence 7
match ip rtp 7
match mpls-experimental 16
match mpls-experimental-imposition 8
match mpls experimental topmost 8, 4
match-not 6
match qos-group 8
mpls experimental 9
mpls experimental other 9
mpls ip encapsulate explicit-null 4
oam-bundle 10
oam retry 11
ppp multilink 6
ppp multilink fragmentation 8
ppp multilink fragment disable 9
ppp multilink interleave 8, 9, 26
precedence 11
precedence (Frame Relay VC-bundle-member) 39
precedence other 39
propagate-cos 3
protect (Frame Relay VC-bundle-member) 40
protocol pppoe group 28
pvc 14
pvc (Frame Relay VC-bundle) 41
pvc-in-range 12
qos match statistics 4
random-detect dscp 8
random-detect exponential-weight-constant 8
random-detect precedence 9
set 5
set discard-class 16
set fr-de 19
set mpls experimental 5, 6, 11
set mpls experimental imposition 15, 4
set mpls experimental topmost 16
show atm class-links 41
show atm interface 41
show caller 16
show controllers 41
show ha pxf cpu queue summary 6
show interfaces virtual-access 32
show policy-map 12, 18, 28, 16
show policy-map class 12, 18, 28
show policy-map interface 8, 33, 27
show policy-map map 19
show pppoe session all 33
show pppoe session packets 33
show pxf cpu queue 33
show pxf cpu queue interface 32
show pxf cpu queue summary 33
show pxf cpu schedule 33
show pxf interface 33
show vlans 42
sub-pool 26
vc-class 29
virtual-template 27
committed burst
calculating 22
committed information rate 6, 9, 12
committed rate, policing data 6, 23
communicating directly with RADIUS, no proxy 32
community list 3
configuring
ATM bundle members, VC class 26
ATM cell loss priority marking 29
bumping rules, Frame Relay members 34
class of service marking 26
differentiated services code point marking 24
discard-class marking 33
Frame Relay traffic shaping 5, 6
IP precedence marking 22
MPLS experimental marking 31
precedence levels for bundle members, Frame Relay 39
protected bundle members, Frame Relay 40
QoS 5
QoS group marking 28
queue size 4
random early detection 20
RED, See configuring random early detection.<configuring
WRED based on ATM CLP 31
WRED based on discard class 29
WRED based on DSCP 26
WRED based on IP precedence 28
conforming traffic
metering and conforming token bucket 21
packet sizes 7
specifying multiple conforming actions 26
token buckets, single-rate policer 18
congestion
controlling
tail drop 8
using precedence marking 4
using random early detection 8, 9
using weighted random early detection 11
controlling using random early detection 34
management of 4
queue limit 2
restrictions for controlling 21
controlling, average queue length 10
creating
class maps 12
Frame Relay bundles 38, 41, 43
map classes for Frame Relay 1
policy maps 18
CS1 through CS7 6
D
data, policing rate 23
data-link connection identifier
allocating PVC bandwidth share 2
assigning 19
VoIP packet classification 4
IP RTP Priority 5
See also DLCI.
DBS, See dynamic bandwidth selection.
dbs enable command 12
DE bit 6
default class
bandwidth-remaining command 6
default traffic class 11
delay, managing 7
differentiated services
assured forwarding, class drop probability 7
assured forwarding classes 7
best effort, DSCP 0 6
class selector code points 6, 7
compliance with IETF standards 6
DiffServ suggested DSCP values 8
DSCP 6
expedited forwarding, per-hop behavior 7
matching criteria 7
per-hop behavior 6
recommended values 21
reserved keywords 7
RFCs defining DSCP values 8
setting DSCP bits 12
weighted random early detection based on DSCP 9
differentiated services code point
binary values 8
bits 6
code point values 7
DSCP
names 8
values 8
RFCs, defining DSCPs 8
discard-class
setting 11
discard eligibility bit 6
displaying, statistics and configuration information for policing 41
DLCI
assigning 16
associating map classes to 16
DotP marking, in nested hierarchical policies 8
dropping packets
based on CLP 31
drop probability, assured forwarding classes 7
drop rate in random-detect command 8
how RED determines drop probability 10
interfaces not supporting drop policies 21
interfaces supporting drop policies 21
random early detection 9
verifying packet dropping 32
weighted random early detection 9, 11
drop profiles
for WRED 16
drop rate, random-detect command 9
DS3/E3 line card, maximum virtual circuits supported 8
DSCP, See differentiated services.
DSCP-based mapping for PVC bundles 42
dscp command (Frame Relay VC-bundle-member) 35
DSLAM-CPE encapsulation types 3
dynamic bandwidth selection
accounting record 7
affect on sessions 6
bandwidth updates 8
CBR PVCs 9
configuring
individual PVC in a PVC range 12
PVC ranges 11
PVCs 10
VC classes 9
debug commands 17
NAS QoS management 6
protocols supported 8
RADIUS attributes 13
restrictions 3
service category
changes to, restrictions 8
transitions 7
SVCs 8
UBR unshaped transitions 8
E
EBS, See excess burst size.
EF, See expedited forwarding.
encapsulation
subscriber line 4
encapsulation dot.1q command 19
encapsulation dot1.q command 22
encapsulation frame-relay command 16
Ethernet
comparing committed rate data for policing and shaping 5
interface QoS inheritance 12
Ethernet overhead accounting 3
policing policies 6
shaped rate and frame headers 6
verification examples 13
exceeding actions
specifying multiple actions 26
exceeding packets 7
excess bandwidth
allocating unused bandwidth 3
comparing bandwidth and priority 4
excess burst
calculation of 22
default size 22
size 22
EXP bit 4
exp command, Frame Relay bundle member 36
expedited forwarding, per-hop behavior 7
experimental field value, MPLS QoS 1
exponential-weight-constant
average queue size 20
Frame Relay 3
random-detect command 8
exp other command 37
F
fair queues
creating at three levels 15
creating at two levels 13
fe0/0/0 management port 21, 31
feedbacks, parallel express forwarding 17
flow control
on Layer 2 queues 39
forcing, PVC bundles down 3
fragmentation 1
Frame Relay
attaching, QoS policies using map classes 16
comparing committed rate data for policing and shaping 5
configuring PVC oversubscription 11, 12
creating map classes 1
DE bit 6
drop policy 3
encapsulation types 43
exponential-weight-constant 3
IP RTP priority (VoIP) 5
oversubscription
map classes 15
PVCs 7
restrictions 9
physical interface QoS inheritance 12
priority queues 4
QoS policies restrictions 13
queuing outbound traffic 7
frame-relay class command 16, 19, 16, 45
frame-relay interface-dlci command 17, 19, 16
frame-relay interface-queue commands 2, 3
frame-relay ip rtp priority command 5
frame-relay map-class command 16
frame-relay traffic rate command 6
frame-relay traffic-shape command 7
frame-relay vc-bundle command 38
FRF.12 3
See also LFI.
FRTS 8
FRTS, See Frame Relay traffic shaping.
G
global pool tunnels 19
differentiated service 26
in DS-TE 20
global synchronization, maximizing 13
green token bucket 18
guaranteed minimum bandwidth 10
H
hierarchical input policing
child policies 10
configuring 19
restrictions for 11
See also, hierarchical policies.
hierarchical policies
attaching 21
bandwidth percent command in child policies 4
benefits of 3
configuration examples 22
configuring overhead accounting 6
configuring percent-based policing 34
description of 2
guidelines for configuring 13
hierarchical input policing 6, 10
interfaces not supporting hierarchical policies 12
interfaces supporting hierarchical policies 12
nested hierarchical policies 6, 7
three-level hierarchical policies 6, 8
types of 6
verification examples 29
verifying 27
configuration examples 21
maximum line card virtual circuits 8
overview 4
restrictions 8
shaped UBR PVCs 5
VC scaling 7
See also high watermark.
I
IEEE 802.1p, for inbound and outbound packets 10
IEEE 802.1Q, frame headers 10
inbound interfaces, hierachical policies 12
inheritance 10
ATM QoS 2
Frame Relay QoS 12
LAC QoS 30
interface multilink command 5
interfaces
ATM, queuing outbound traffic 7
attaching
Frame Relay QoS policies 11, 14, 15, 16, 17, 19
LAC QoS 30
QoS policies, service-policy command 3
virtual access interface QoS policies 23
VLAN QoS policies 21, 22, 23, 31
configuring QoS 5
Frame Relay, queuing outbound traffic 7
interfaces not supporting
bandwidth command 3
hierarchical policies 12
marking 20
packet drop policies 21
policing 18
priority queuing 4
queue-limit 21
random-detect 21
shaping 13
interfaces supporting
hierarchical policies 12
marking 20
packet drop policies 21
policing 17
priority queuing 4
queue-limit 21
random-detect 21
traffic shaping 13
See also oversubscribing.
packet input match statement 6
QoS inheritance 12
supporting the attachment of QoS policies 1
virtual LAN, queuing outbound traffic 7
interleaving 1
internal marking
discard-class 2
qos-group 2
set qos-group 13
Internet Engineering Task Force, differentiated services RFCs 6
Internet Protocol
DSCP value 7
VoIP 4
IP differentiated services, setting the DSCP bits 9
IP precedence
precedence levels 6 and 7 16
recommended values 21
setting the precedence level 12
weighted random early detection, precedence-based 4, 5, 9, 11
IP Real-Time Protocol 4
ip rsvp bandwidth command 26
IP RTP priority for VoIP (Frame Relay) 5
IP sessions
configuration examples for MQC 23
configuring MQC 21
interface support 19
MQC support 18
policy map actions 19
restrictions 20
IPv4 packets 5
J
jitter, managing 7
K
kilobits per second
bandwidth 10
priority queues 10
L
label-controlled ATM subinterface, QoS inheritance 12
label imposition, MPLS 15
label switching router 5
LAC
attaching QoS policies 31
QoS inheritance 30
Layer 2, applying QoS policies to tunnel packets 32
Layer 2 access concentrator, attaching QoS policies 30
LC-ATM, QoS inheritance 12
LFI
FRF.12 fragmentation 3
MLP over Frame Relay 3
MLP over serial 2
multi-VC MLP over ATM 2
overview 1
single-VC MLP over ATM 2
limiting, number of packets in queues 10
links, assigning bandwidth to DLCIs and PVCs 2
LNS
per-session shaping 45
locally originated traffic, subject to QoS policies 16
low-latency priority queuing, See priority queuing.
LSR 5
See also low watermark.
M
management information base, QoS MIBs 4
managing PVC bundles 4
map classes
attaching
Frame Relay QoS policies 16
oversubscribing Frame Relay PVCs 16
map-class frame-relay command 12, 19, 53, 4
mapping MPLS EXP to bundle members 32
marking
actions 2
ATM cell loss priority 14
configuring
ATM cell loss priority 29
class of service 26
differentiated services code point 24
discard-class 33
IP precedence 22
MPLS experimental 31
QoS group 28
description of 2
design guidelines for marking 21
interfaces not supporting marking 20
interfaces supporting marking 20
MPLS experimental marking 14
policing and marking traffic 18
recommended values for marking 21
restrictions for traffic marking 20
set mpls experimental imposition command 2, 15
verifying traffic marking 37
See also traffic marking.
match access-group command 12, 10
match-all command 5
match-any command 5
match cos command 6
match discard-class command 6
match fr-de command 6
match input-interface command 6
match ip dscp command 7
match ip precedence command 7
match ip rtp command 7
match mpls-experimental command 16
match mpls-experimental-imposition command 8
match mpls experimental topmost command 8, 4
match-not command 6
match qos-group command 8
match statements in class maps 2, 5, 7, 11
maximum burst size 15
maximum threshold 8
default values 39
description of 19
guidelines for changing 39
in the random-detect command 9
recommended setting for random early detection 11
MBS, See maximum burst size.
metering, See policing.
MIB, See management information base.
minimum threshold 8
default values 39
description of 19
guidelines for changing 39
in the random-detect command 9
recommended setting for random early detection 11
MLP 2
modes for queuing
modular QoS CLI
implementing QoS 2, 34, 50, 29
monitoring
bursts 23
policing 41
QoS policies 32
MPLS DiffServ tunneling modes
CE routers 16
MPLS experimental field 14
MPLS experimental 14
bits 4
mpls experimental command 9
mpls experimental other command 9
MPLS EXP field
See also MPLS experimental.
MPLS EXP field, setting using policy maps 7
mpls ip encapsulate explicit-null command 4
MPLS QoS 1
experimental field value 1
services supported 2
tunnel modes 3
pipe mode 10
short pipe mode 9
MQC, See modular QoS CLI.
MQC support for IP sessions 18
multilink PPP bundling, priority queuing 2
multiple queues, guidelines for configuring QoS 13
multi-VC MLP 2
N
NAS 6
NCP, See Network Control Protocol.
nested hierarchical policies
creating 13
description of 6
nested policy maps
percent-based bandwidth 26
percent-based policing 11
parent policies 7
restrictions for 7
See also, hierarchical policies.
nested hierarchical policies, See also hierarchical policies.
network access server 6
Network Control Protocol 6
network-forwarding policy 20
no atm pxf queuing command 14, 9
no atm pxf queuing mode 4, 13, 3, 9, 25, 6, 7
nonreal-time variable bit rate 13
See also variable bit rate.
no policy-map command 18
normal burst, specifying 12, 13, 18, 52
O
oam-bundle command 10
oam retry command 11
OC-12 line card, maximum virtual circuits 8
OC-3 line card, maximum virtual circuits 8
outbound interfaces, hierarchical policies 12
out of resource message 22
overhead accounting
AAL5 2
ATM 2
bandwidth command 7
calculation 4
child priority queues 3
classification byte counts 11
configuration examples 9, 10, 11
configuration requirements for hierarchical policies 5
configuring 6
Ethernet 3
Ethernet frame headers 6
examples of verifying ATM accounting 12
examples of verifying Ethernet accounting 13
feature history 2
features 1
hierarchical policies 5
interfaces supported 6
policing and Ethernet accounting 6
PRE requirements 2
queuing byte counts 11
restrictions 6
shape command 8
show policy-map interface command 6
subscriber line encapsulation 4
traffic shaping overhead accounting for ATM 3
verifying 11
oversubscription
ATM line cards 5
ATM oversubscription factor 4
atm over-subscription-factor command 15, 5
ATM port and bandwidth sharing 53
ATM VC 3
benefits of 2
configuration examples 38
configuring 10
configuring for VLANs 17
configuring on VBR-nrt virtual circuits 11
disabling on ATM interfaces 7
Frame Relay PVCs 7, 11, 12, 15
restrictions
Frame Relay PVC oversubscription 9
interface oversubscription 3
VLAN oversubscription 9
session level 53
UBR virtual circuits 4
VBR-nrt virtual circuits 3
verifying 41
VLAN 9
oversubscription factor 15
P
packet buffers, queue limit 4
packet drops
verifying 32
packets
classifying 1
conforming or exceeding, determining 23
conforming packets 7
defining traffic classes 1
drop policy
Frame Relay 3
random early detection 20
exceeding packets 7
green packets 7
IPv4 packets 5
matching packets 5
queue limit 3
red packets 7
specifying QoS
IP packets 1
MPLS packets 1
violating packets 7
VoIP classification 4
yellow packets 7
PAK_Priority 16
parallel express forwarding
feedbacks 17
QoS performance 17
shaping VCs 5
parent policies
description of 4
hierarchical input policing policies 10
in nested hierarchical policies 7
service-policy command 4
shape command 4
three-level hierarchical policies 8, 18
PCR
See peak cell rate.
peak cell rate
constant bit rate PVCs 13
dynamic bandwidth selection 13
multiple sessions 5
unshaped and shaped unspecified bit rate PVCs 13
variable bit rate PVCs 15
percentage-based shaping 8
percent-based
bandwidth, configuring 10
policing, configuring 26, 32, 34, 35
priority, configuring 10
per-class mode 4
per-match mode 4
per session
per-session shaping on ATM interfaces
configuration examples 50
configuring 46
description of 45
verifying 50
per user multiservice rate limiting 4, 10, 13
per VRF AAA 32
PHB, See per-hop behavior.
police actions
set-cos-transmit 15
set-frde-transmit 14
police percent command 11, 32, 35
policer, See policing.
policies
attaching
Frame Relay QoS policies 11, 15, 17, 19
QoS policies, service-policy command 3
creating Frame Relay QoS policies 14
Frame Relay QoS restrictions 13
policing 3
actions 3
bits per second-based policing 28
class-based policing 2
committed information rate 6, 9, 20
conforming packets 7
effects of shaping 13
exceeding packets 7
green packets 7
inbound traffic at two levels 19
interfaces not supporting policing 18
interfaces supporting policing 17
marking and policing traffic 18
metering using token buckets 18
nested policies 11
policing actions
set-cos-transmit 3
set-discard-class-transmit 11, 3
set-dscp-tunnel-transmit 3
set-frde-transmit 4
set-mpls-exp-imposition-transmit 12, 4
set-prec-tunnel-transmit 4
set-qos-transmit 4
policing rate data 23
policing traffic, percent-based 11, 26
rate granularity 25
red packets 7
restrictions and limitations for policing 26
set-qos-transmit policing action 12
single-rate color marker 4
specifying multiple actions 26
token bucket algorithm 2
traffic policing overview 2
transmit policing action 4
two-color marker 4
verifying and monitoring 41
violating packets 7
yellow packets 7
policy actions
input 5
output 6
prior to Release 12.0(17)SL 6, 7
Release 12.0(17)SL 8
Release 12.0(17)SL and later 10
Release 12.0(20)ST and later 10
Release 12.0(22)S and later 11
policy map
attaching to interfaces 2, 12, 32, 4
class bandwidth allocation 10, 16
class queue limit 17
configuration example 25, 29, 30, 12, 14
definition of 3
deleting classes from policy maps 17
deleting policy maps 18
input actions 5
maximum number supported 2
maximum priority queues 9
output actions 6
per session rate limiting 3
per user multiservice rate limiting 4
policy actions 7
policy-map command 3, 9, 10, 21
qos match statistics 4
restrictions for policy maps 2
system limits, policy maps 2, 4
verifying configuration 12, 20
policy maps
8k 3
policy-map-type service command 20
PPP
applying rate limiting
PPPoA, PPPoE, and RBE sessions 6
tunneled sessions 6
ppp multilink command 6
ppp multilink fragmentation command 8
ppp multilink fragment disable command 9
ppp multilink interleave command 8, 9, 26
PPPoE
displaying status of active tunnels 33
sessions 28
precedence-based mapping for PVC bundles 42
precedence command 11
precedence command (Frame Relay VC-bundle-member) 39
precedence field 42
precedence levels 9
precedence other command 39
PRI field, See priority field.
priority
class, minimum guaranteed bandwidth percentage 3
comparing priority and bandwidth 7
data, recommended marking values 21
field 10
priority queuing, See priority queuing.
queue 8
priority queuing
bandwidth command 5
bandwidth starvation of other queues 25
configuring 6
description of 1
Frame Relay 4
guaranteed minimum bandwidth 2
interfaces not supporting 4
interfaces supporting priority queuing 4
multilink PPP bundling 2
police command 25
random-detect command 5
restrictions for priority queues 5
strict priority queuing 2
verifying priority queues 11
propagate-cos command 3
protect command (Frame Relay VC-bundle-member) 40
protocol pppoe group command 28
PVC bundles 1
adding
ATM PVC members 23
bundle members 24
Frame Relay bundle members 45
Frame Relay bundle members directly 46
Frame Relay members using map classes 49
ATM members 23
attaching
bumping PVCs 16
configuration examples 30
creating
ATM bundles 18
Frame Relay bundles 21, 38, 43
Frame Relay configuration examples 50
mapping
for PVC bundles 42
MPLS EXP to bundle members 32
monitoring bundles 53
protection rules 3
PVC selection 32
restrictions for bundles 17
system limits for bundles 2
traffic bumping 3
verifying bundles 29
pvc command 14
pvc command (Frame Relay VC-bundle) 41
pvc-in-range command 12
PVCs, attaching ATM policies 8
PXF 17
PXF and shaping 5
pxf queuing mode 7
Q
QID, See queue IDs.
QoS
applying service policies 3
ATM attaching QoS policies 6
ATM inheritance 2
attaching
ATM QoS policies 7
Frame Relay QoS policies 11, 14, 16, 17, 19
QoS policies 1
virtual access interface QoS policies 23
attaching ATM QoS policies 8
benefits of QoS 2
CLI migration from PRE2 to PRE3 3
configuring per session service policy 11
configuring QoS 5
creating Frame Relay policy 14
defining QoS actions 2
DSLAM model configurations 6
features 6
Frame Relay
inheritance 12
input and output policy-map actions 4, 6, 7, 8
LAC inheritance 30
management information base for QoS 4
Model D.2 7
Model F 7
modular command line interface for implementing QoS 2, 34, 50, 29
no atm pxf queuing mode 3
objectives of bandwidth and priority commands 7
order of execution for QoS features 4
per session
rate limiting 3
service policy 5
defining QoS actions 2
definition of 3
QoS actions 4
precedence 6
QoS features and changes 11
QoS group
identifier, setting 28
maximum number 13
policing action, setting 12
QoS implementation guidelines 4
QoS inheritance 12
QoS policy propagation through the Border Gateway Protocol 13
QoS restrictions and limitations 2
random early detection (RED) 20
scalability 4
service policies
components 5
creating 5
definition of 3
per session rate limiting 3
per user multiservice rate limiting 4
specifying QoS, IP and MPLS packets 1
traffic subject to QoS 16
types of QoS actions 4
qos match statistics command 4
QoS models
configure sessions 8
configure subinterfaces 8
D.2 6
D.2 configuration example 9, 10
D.2 configuration tasks 8
D.2 key components 7
F 6
F configuration example 10
F configuration tasks 9
F key components 7
generic requirements 6
QoS service
business 6
residential 6
QPPB, See QoS policy propagation through the Border Gateway Protocol.
quality of service, See QoS.
queue-depth command 16, 22, 24, 38
queue IDs
allocating 6
determining available queues 6
out of resource message 6
queue limit
aggregate sum restrictions 22
as a power of 2 5
changing 22
combining with random detection 22
configuring 4
description of 2
overriding default 6
packet buffers 4
restrictions 21
queue-limit command 5, 6, 4, 10, 11, 17
queues
allocating queue IDs 6
changing size of 22
maximum number 2
priority 4
scaling limits 2
queue size
calculating the average size 18, 20
configuring 24
controlling using queue-limit 20
exponential-weight-constant 18, 20
modifying method of calculation 8
queue weight 2
queuing byte counts 11
queuing modes
atm pxf queuing 3, 5, 31, 8, 25
specifying 14
queuing outbound traffic
ATM interfaces 7
Frame Relay interfaces 7
VLANs 7
R
RADIUS
configuring RADIUS on the router 11
server 5
random-detect command 13
drop rate 8
input policy map action 5
maximum threshold 8
minimum threshold 8
output policy map action 6
usage guidelines 18
random-detect discard-class command 18
random-detect dscp command 8, 18
random-detect exponential-weight-constant command 8
random-detect ip precedence command 18
random-detect precedence command 9
random early detection
combining with queue limit 10
combining with tail drop 8
determining drop probability 10
enabling 3
queue limit 20
recommended threshold settings 11
restrictions for RED 23
rate, committed rate data 6
rate limiting
per session rate limiting 3, 10
PPPoA, PPPoE and RBE sessions 6
PPP tunneled sessions 6
RBE, applying service-policies to sessions 10
Real-Time Protocol 4
RED, See random early detection.
red packets 7
response time, improving 7
restrictions and limitations
ATM PVC selection 17
Frame Relay QoS policies 13
LAC QoS policies 31
policy maps 2
VLAN QoS policies 21
RFC 1490 16
RFC 791 4
RTP 4
S
determining VC weights 21
scalability, qos match statistics command 4
SCR, See sustained cell rate.
segmentation and reassembly 5
serialization delay 2
service categories
atm pxf queuing mode 13
no atm pxf queuing mode 13
service policies
applying 1
attaching to interfaces 15
components 5
defining input and output policies 12
definition of 3
service-policy command 3, 5, 10, 11
service profile 52
session categories
IP session support 18
session level, oversubscription 53
session queuing
configuring on ATM VCs 54
configuring on RADIUS 60
configuring on virtual templates 54
examples of configuring on ATM VCs 61
interfaces supported 52
prerequisites for ATM VCs 53
restrictions on ATM VCs 53
verifying on ATM VCs 62
session traffic queues 52
set ATM CLP bit 13
set atm-clp command 5, 6, 9, 14
set-clp-transmit policing action 11, 3
set command 5
set-cos-transmit policing action 3, 15
set discard-class command 16
set-discard-class-transmit policing action 11, 3
set-dscp-transmit policing action 12, 3
set-dscp-tunnel-transmit policing action 3
set Frame Relay DE bit 14
set fr-de command 19
set-frde-transmit policing action 4
set ip precedence command 5, 6, 9, 5
set mpls experimental command 5, 6, 11
set mpls experimental imposition command 15, 4
set mpls experimental topmost command 16
set-mpls-exp-imposition-transmit policing action 12, 4
set-mpls-exp-transmit policing action 12, 4
set-prec-transmit policing action 12, 4
set-prec-tunnel-transmit policing action 4
set qos-group command 5, 6, 9, 13, 7
set-qos-transmit policing action 12, 4
setting
class queue size 24
MPLS EXP field 7
shaping
percentage 8
shaping traffic
atm pxf queuing and shaping 8
bandwidth 10
comparing shaping and policing 11
Frame Relay 8
interfaces not supporting shaping 13
overview 2
shaping classes 14
verifying traffic shaping 17
short pipe tunneling mode 3, 9
show atm class-links command 41
show atm interface command 41
show atm vp command 19
show caller command 16
show controllers atm command 20
show controllers command 41
show ha pxf cpu queue summary 6
show hardware pxf command 34, 33
show interface command 32, 23, 32
show interfaces virtual-access command 32
show policy-map class command 12, 18, 28
show policy-map command 19, 12, 18, 20, 28, 16
show policy-map interface command 8, 33, 27
overhead accounting 11
overhead accounting restrictions 6
show pppoe session all command 33
show pppoe session packets command 33
show pxf cpu queue atm command 19
show pxf cpu queue command 33
show pxf cpu queue interface command 32
show pxf cpu queue summary command 33
show pxf cpu schedule command 33
show pxf interface command 33
show pxf statistics qos policy-map interface command 20, 21
show pxf statistics qos policy-map session command 21
show queue command 20
show vlans command 42
simultaneous policy maps
attaching to Ethernet interface 7
attaching to PPPoA sessions 8
attaching to PPPoE sessions 6, 10
attributes 37 and 39 4
configuration examples 14
configuring 5
displaying statistics for LAC sessions 22
interface-level policy 2
on interface and PPP session 1
QoS actions 2
restrictions 4
session-level policy 2
verifying 18
single-rate color marker 4
slope, determining 10
SMS 5
specifying QoS 1
statistics
collecting priority queuing information 11
displaying
bandwidth information 12
marking information 37
policing information 41
displaying drop information 32
strict QoS guarantees 25
subinterfaces, attaching
QoS policies 21
VLAN QoS policies 31
sub-pool command 26
sub-pool tunnels 19
differentiated services-traffic engineering 19
strict QoS guarantees 25
subscriber management server 5
system limits
class maps 2
link fragmentation and interleaving 4
T
tag control information field 10
TCP/IP traffic, weighted random early detection 13
three-color marker, example configuration 33
three-level hierarchical policies
child policies 8
creating 15
parent policies 8
restrictions for 9
See also hierarchical policies.
thresholds
guidelines for changing 39
maximum and minimum 19
RED recommended settings 11
WRED default drop thresholds 19
ToS, See type of service field.
traffic
congestion 3
drop policies
Frame Relay 3
random early detection 20
weighted random early detection 8
marking
802.1p 10
actions 2
design guidelines for marking 21
internal 2
IP precedence 22
Layer 2 marking 2
Layer 2 to Layer 3 mapping 3
Layer 3 marking 2
MPLS experimental 31
QoS group 28
recommended values for marking 21
restrictions for marking 20
set ip dscp and set ip precedence commands for a packet 10
verifying marking 37
weighted random early detection marking 3
MPLS experimental marking 14
QoS group marking 13
shaping, Frame Relay 6
traffic bumping 3
traffic engineering
activating
interfaces 23
routers 21
configuration examples
midpoint routers 30
tail-end routers 31
tunnel head routers 28
verifying configurations 26
traffic marking
class of service 11
configuring differentiated services code point 24
interfaces not supporting marking 20
interfaces supporting marking 20
IP precedence values 4
MPLS marking 15
multiple priority levels 3
QoS group 13
traffic shaping
atm pxf queuing and shaping 8
bandwidth 10
comparing
shaping and policing 11
shaping mechanisms 10
interfaces not supporting shaping 13
interfaces supporting shaping 13
overview 2
shaping classes 14
VC level 15
verifying traffic shaping 17
transmit policing action 4
tunneling mode
MPLS QoS 3
uniform 3
tunnel interfaces, configuring attributes 24
tunnel packets, applying QoS policies 32
tunnels
global pool 20
sub-pool 19
type of service field
description of 4
DSCP bits 6
U
UBR, See unspecified bit rate.
uniform tunneling mode 3
unshaped UBR 13
unspecified bit rate 13, 14, 8, 9
user-defined offset
user profile 51
V
variable bit rate
nonreal time VBR 15
real time VBR 15
variable bit rate-nonreal time
configuring in atm pxf queuing mode 8
VBR-nrt, See variable bit rate-nonreal time.
VC class, adding bundle members 26
vc-class command 29
VCI 10
VC scaling, active ATM VCs 7
VC weights, determining 20
verifying
Frame Relay PVC selection 52
hierarchical policies 27
packet dropping 32
policing 41
priority queuing 11
PVC bundles 29
QoS policies 32
traffic engineering configurations 26
video traffic, recommended marking values 21
violating packets 7
attaching QoS policies 23
creating 3
See also VAI.
virtual channel identifier 14
virtual circuit
calculating default weight 23
configuring queue depth 38
configuring weight using class maps 29
maximum VCs on ATM line cards 5
supporting low count 8
verifying oversubscription and weighting 41
weighting configuration examples 38
virtual LAN
configuring oversubscription 17
creating VLAN subinterfaces 23
encapsulating 19
interfaces 7
queuing outbound traffic 7
virtual path 22
virtual path identifier 14, 10, 21
virtual path tunnels, maximum VCs on ATM line cards 5
virtual-template command 27, 10, 11
virtual template interface
applying service policies 3, 13
applying to BBA groups 27
RADIUS server 23
routed bridge encapsulation over ATM 24
virtual access interfaces 23
virtual time management system 2, 10, 22
VLAN, See virtual LAN.
voice over Internet Protocol (VoIP) 4
voice traffic, recommended marking values 21
VoIP, See voice over Internet Protocol.
VP, See virtual path tunnels.
VPI, See virtual path identifier.
VP parameters, changing shaping parameters 12, 27
VTMS, See virtual time management system.
W
watermarks, high and low 22, 24, 25, 38
weight
calculating default VC weight 23
configuring
for ATM virtual circuits 28, 31
on range of PVCs 30
using class maps 29
restrictions for virtual circuit weighting 27
weighted random early detection
aggregate drop profiles 16
based on ATM cell loss priority 11
based on ATM CLP 31
based on discard class 29
based on discard-class 11
based on IP precedence 9, 11, 28
benefits of 12
drop profiles 14
drop profiles on PRE3 15
how WRED works 13
queue-limit 20
random-detect command usage guidelines 18
restrictions for WRED 23
supported features 7
traffic marking 3
verifying packet dropping 32
WFQ 7
WRED, See weighted random early detection.
Y
yellow
packets 7
token bucket 18