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Cisco MWR 2941 Mobile Wireless Edge Router Release 3.5 Command Reference, Cisco IOS Release 15.1(3)MR
OL-26895-01
Chapter Cisco MWR 2941 Router Command Reference, Release 15.1(3)MR
shape (policy-map class)
shape (policy-map class)
To shape traffic to the indicated bit rate according to the algorithm specified, or to enable ATM overhead
accounting, use the shape command in policy-map class configuration mode. To remove shaping and
leave the traffic unshaped, use the no form of this command.
shape [average | peak] mean-rate [burst-size] [excess-burst-size]
no shape [average | peak]
Syntax Description
Command Default When the excess burst size (Be) is not configured, the default Be value is equal to the committed burst
size (Bc). For more information about burst size defaults, see the “Usage Guidelines” section.
Traffic shaping overhead accounting for ATM is disabled.
Command Modes Policy-map class configuration (config-pmap-c)
Command History
average (Optional) Committed Burst (Bc) is the maximum number of bits sent
out in each interval.
peak (Optional) Bc + Excess Burst (Be) is the maximum number of bits
sent out in each interval.
mean-rate (Optional) Also called committed information rate (CIR). Indicates
the bit rate used to shape the traffic, in bits per second. When this
command is used with backward explicit congestion notification
(BECN) approximation, the bit rate is the upper bound of the range
of bit rates that will be permitted.
For a committed (average) burst rate, valid values are
30,000–10,000,000,000. For an excess (peak) burst rate, valid values
are 8,000-10,000,000,000.
burst-size (Optional) The number of bits in a measurement interval (Bc).
excess-burst-size (Optional) The acceptable number of bits permitted to go over the Be.
Release Modification
12.0(5)XE This command was introduced.
12.1(5)T This command was integrated into Cisco IOS Release 12.1(5)T.
12.0(17)SL This command was integrated into Cisco IOS Release 12.0(17)SL
and implemented on the PRE1 for the Cisco 10000 series router.
12.2(16)BX This command was integrated into Cisco IOS Release 12.2(16)BX
and implemented on the PRE2 for the Cisco 10000 series router.
12.2(28)SB This command was integrated into Cisco IOS Release 12.2(28)SB.
12.2(31)SB2 This command was enhanced for ATM overhead accounting and
implemented on the Cisco 10000 series router for the PRE3.
12.2(33)SRA This command was integrated into Cisco IOS Release 12.2(33)SRA.
- Release 15.1(3)MR 1
- Configuring a Policy Map 14
- Restrictions 15
- Policy Map Configuration Mode 27
- Class Characteristics 27
- Predefined Default Class 27
- Tail Drop or WRED 27
- Fragments 28
- If ID Choice Is Anything Else 72
- Unique Device Identifier 73
- Cisco HWIC-4SHDSL 88
- SNAP Encapsulation Example 96
- OL-26895-01 105
- • n393—1 to 10. Default is 4 133
- • proxy-register 187
- • list access-list 187
- • route-map map-name 187
- Support for Serial Lines 194
- Syntax Description 195
- Keepalive Time Interval 203
- Line Failure 203
- Dropped Packets 203
- DSCP Values 226
- Match Packets on DSCP Values 227
- • match access-group 231
- • match input-interface 231
- • match mpls experimental 231
- • match protocol 231
- Precedence Values and Names 233
- IPv4-Specific Traffic Match 233
- IPv6-Specific Traffic Match 234
- Support Restrictions 237
- ATM Mode Example 247
- CAS Mode Example 247
- Router(config)# no mpls ip 250
- Release 12.2(33)SRB 259
- • QL-PRC 275
- • QL-SSU-A 275
- • QL-SSU-B 275
- • QL-SEC 275
- • QL-DNU 275
- All Supported Platforms 303
- Hierarchical Policy Maps 304
- How Bandwidth Is Calculated 305
- • conform-action is transmit 311
- • exceed-action is drop 311
- • violate-action is drop 311
- Token Buckets 314
- Updating Token Buckets 315
- Marking Traffic 315
- Two-Rate Policing 316
- Syntax for Percent 318
- Command Application 332
- • Data encapsulation type 334
- • Control protocol 334
- • 4—1 packet every 16 seconds 336
- • 3—1 packet every 8 seconds 336
- • 2—1 packet every 4 seconds 336
- • 1—1 packet every 2 seconds 336
- • 0—1 packet every second 336
- Command Description 341
- Router(config)# exit 358
- Weighted Fair Queueing 366
- • Control network loops 376
- • Handle link failures 376
- • Improve convergence time 376
- the following adapters: the 409
- to specify the “from-field” 412
- • EF (expedited forwarding) 420
- Precedence Value and Queueing 421
- 2. ip tos reflect 429
- 3. ip tos tos-value 429
- Command Compatibility 440
- Bit Settings 440
- Precedence Value 441
- Committed Information Rate 449
- IMA Group 456
- M-PAIR Group 456
- 1-PAIR and 2-PAIR Group 456
- DSL Group with 1 Pair 458
- DSL Group with 2 Pairs 458
- DSL Group with 3 Pairs 458
- DSL Group with 4 Pairs 458
- • Interface name and number 471
- • Identifier (group ID) 475
- ADSL: Example 490
- • Domain name 495
- • Domain index 495
- • Domain level 495
- Field Description 504
- Reliability Errors 524
- Protocol Errors 524
- UNI Id Identifier of the UNI 526
- EVC Id Identifier of the EVC 526
- • Local and remote OAM mode 528
- • Remote platform identity 528
- • Remote loopback events 531
- Traffic Policing: Example 583
- Tunnel Marking: Example 588
- ATM Shared Port Adapter 590
- (continued) 595
- Policing 597
- Policing and Shaping 599
- Traffic Shaping: Example 600
- UDP encapsulation 613
- • priority is 128 647
- Router(config-if)# 648
- • Up to 2 queues 670
- • Up to 2 interfaces 670
- • 1 queue and 1 interface 670
- Router(config-if)# switchport 672
- GRE Tunneling Example 693
- Peak Value 705
- Average Value 705
- Burst Value 705
- Activating the Primary Member 709
- Activating the Backup Member: 709
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