ISR大致可以分几类:
Cisco 860、880、890
ISR1800 (fixed)、1800 (modular)、2800、3800 Series
ISR1900、2900、3800、3900 Series
ISR4K
每一代的设备,设备的性能肯定都不一样,本摘要,将主要记录ISR的吞吐性能问题。
1、下图主要体现的是800 Series和1900、2900、3900 Series,厂商建议的WAN最大throughput,该建议应适合大多数企业和商业客户:
Table 2. Cisco ISR G2 key benfits over the ISR G1
Key Benefits
Cisco ISR
Cisco ISR G2
WAN Performance
Up to 45Mbps with Services
Up to 350Mbps with Services
Network Processor
Single Core
Multicore
Service Module Performance and Capacity
Up to 160GB storage
Up to 7X with dual core and 1TB of storage
On-board DSPs
Voice
Voice + Video
Integrated Switching
Fast Ethernet with POE. Based on Catalyst 3560/3750
FE/GE Ethernet with EPOE Based on Catalyst 3560X /2960S
IOS Image
Multiple
Single Universal IOS image
Service Delivery
Hardware Coupled
Services On-Demand
Redundancy
Single Motherboard
Field upgradeable Motherboards (3900 Series), Redundant power supplies
Key Benefits[?]
EnergyWise
EnergyWise with slot based controls
该参数,基本也可以从Datasheet中查询得到,如1900和2900:
Table 1. Key Features and Benefits of the Cisco 1921 Integrated Services Router
High performance with integrated services
● The Cisco 1900 Series enables deployment in high-speed WAN environments with concurrent services enabled up to 15 Mbps.
Table 1. Key Features and Benefits of the Cisco 1941 Integrated Services Router Series
High Performance with Integrated Services
● The Cisco 1900 Series enables deployment in high speed WAN environments with concurrent services enabled up to 25 Mbps.
● Multi-Gigabit Fabric enables high bandwidth module to module communication without compromising routing performance.
Table 1. Key Business Benefits of the Cisco 2900 Series Integrated Services Routers
High Performance with Integrated Services
● The Cisco 2900 Series enables deployment in high speed WAN environments with concurrent services enabled up to 75 Mbps.
● A MultigiGabit Fabric (MGF) enables high-bandwidth module-to-module communication without compromising routing performance.
2、下图主要针对ISR4K的WAN throughput:
三种性能级别:
Platform
Factory Default
Performance License
Boost License
4451
1Gbps
2 Gbps @ 19% CPU
4 Gbps* @ 35% CPU
4431
500Mbps
1 Gbps @ 18% CPU
4 Gbps* @ 62% CPU
4351
200Mbps
400 Mbps @ 17% CPU
2 Gbps* @ 45% CPU
4331
100Mbps
300 Mbps @ 16% CPU
2 Gbps* @ 53% CPU
4321
50Mbps
100 Mbps @ 8% CPU
2 Gbps* @ 68% CPU
4221
35Mbps
75 Mbps @ 8% CPU
1.4 Gbps @ 94% CPU
Datasheet中也有记录:
Table 4. Specifications of Cisco 4000 Family Integrated Services Routers
Technical Specifications
Cisco 4461
Cisco 4451
Cisco 4431
Cisco 4351
Cisco 4331
Cisco 4321
Cisco 4221
Aggregate Throughput (Default)
1.5Gbps
1 Gbps
500 Mbps
200 Mbps
100 Mbps
50 Mbps
35Mbps
Aggregate Throughput (Performance License)
3Gbps
2 Gbps
1 Gbps
400 Mbps
300 Mbps
100 Mbps
75 Mbps
Aggregate CEF Only[5] Throughput (Boost License)
Over 7Gbps
Over 4Gbps
Over 4Gbps
Over 2Gbps
Over 2Gbps
1.5Gbps
1.2Gbps
如果需要提升throughput,对license的需求如下:
Table 6. Cisco ISR 4000 Performance Licenses
Platform
Performance-on-Demand License
Features
ISR4461
FL-4460-PERF-K9
Increases the performance from base performance 1.5 Gbps to 3 Gbps
ISR4451
FL-44-PERF-K9
Increases the performance from base performance 1 Gbps to 2 Gbps
ISR4431
FL-44-PERF-K9
Increases the performance from base performance 500 Mbps to 1 Gbps
ISR4351
FL-4350-PERF-K9
Increases the performance from base performance 200 Mbps to 400 Mbps
ISR4331
FL-4330-PERF-K9
Increases the performance from base performance 100 Mbps to 300 Mbps
ISR4321
FL-4320-PERF-K9
Increases the performance from base performance 50 Mbps to 100 Mbps
ISR4221
FL-4220-PERF-K9
Increases the performance from base performance 35 Mbps to 75 Mbps
Table 7. Cisco ISR 4000 Booster (boost) Performance Licenses
Part number
Description
FL-4220-BOOST-K9 (=)
Booster Performance License for 4220 Series Router
FL-4320-BOOST-K9 (=)
Booster Performance License for 4320 Series Router
FL-4330-BOOST-K9 (=)
Booster Performance License for 4330 Series Router
FL-4350-BOOST-K9 (=)
Booster Performance License for 4350 Series Router
FL-4430-BOOST-K9 (=)
Booster Performance License for 4430 Series Router
FL-44-BOOST-K9 (=)
Booster Performance License for 4450 Series Router
FL-4460-BOOST-K9 (=)
Booster Performance License for 4460 Series Router
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