ISR G2 Service Performance Engine (SPE)
Integrated Service Router
By Dennis Hartmann on Tue, 11/10/09 - 1:59pm.
In this blog, we will take a look at the Services Performance Engine (SPE) supported on the Cisco 3900 series router. The SPE is a modular motherboard design that allows customers to upgrade their routers core functionality without performing a forklift upgrade. The concept is very similar to the modularity that has allowed the following routers and switches to persist for close to or over a decade:
•7200 series router input/output (I/O) module
•7500 series router – route switch processor (RSP) / versatile interface processor (VIP)
•6500 series switch – supervisor module (SUP)/switch fabric module (SFM)
The SPE provides the following slots:
•Packet Voice DSP Module – third generation (PVDM3)
PVDM3 modules replace the PVDM2 modules used in the 2800/3800 ISR routers
•Internal Service Module (ISM)
The ISM replaces the advanced integration module (AIM) used in the 2800/3800 ISR routers
•Enhanced high-speed WAN interface card (EHWIC)
EHWIC slots support newer EHWIC cards and the HWIC cards used in the 2800/3800 ISR routers.
At the time of this writing, there are only two SPE modules available:
3925 – C3900-SPE100/K9
3945 - C3900-SPE150/K9
In the next blog, I will continue our conversation on new ISR G2 router features.
- About Cisco Unified Communications
Dennis Hartmann, CCIE No. 15651, is a consultant with www.highpoint.com and author of Implementing Cisco Unified Communications Manager, Part 1. Dennis is also a lead instructor at Global Knowledge. Dennis has various certifications, including the Cisco CCVP, CCSI, CCNP, CCIP, and the Microsoft MCSE. Dennis has various specializations including unified communications, data center, routing & switching, service provider (MPLS and optical). Dennis has worked for various Fortune 500 companies, including AT&T, Sprint, Merrill Lynch, KPMG, and Cabletron Systems. He lives with his wife and children in Hopewell Junction, New York.
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is that it?
Wow - I hope you didn't get paid for that!
It's more than that
To most, the SPE may not sound exciting. But think about what this buys you. Traditionally if I wanted the enhanced performance/capabilities of a new platform, this required a forklift upgrade. The SPE provides a way for you to upgrade the motherboard of the ISR G2 to give you that enhanced capability. This is a testament to the innovation and modularity of this platform.
IMO, I'd much rather upgrade the SRE than have to purchase the new router, and deal with all that is associated with upgrade. That is not to say that you don't, just that the process is simplified in that sense.
Cheers!
- Mario
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