On Thu, 26 Apr 2001, Andrew Fort wrote:
See:
http://www.cisco.com/univercd/cc/td/doc/product/core/7206/port_adp/3471pac6.htm
Each side is limited to 600 points.
PA-A3-OC3 - 300
PA-2FE-TX - 300
PA-POS-OC3 - 300
PA-SRP-OC12 - 300
PA-GE - 400
You will be extremely cramped and limited with your options if you go with
a 7206VXR platform.
-Hank
> Hi, I'm looking at gear to service two sites.
>
> Firstly, there's a PoS STM-1 interface connecting site A to site B
> Secondly, each site has a ATM STM-1 interface connecting it to a transit
> provider
>
> I'm looking at a 7204VXR/7206VXR, and I'm wonderingwhat NPE to use.
> Interfaces will most probably be PA-A3-OC3 (MM), PA-POS-OC3 (MM), with an
> eye to going to an STM-4/OC-12 DPT interface for the link between site A and
> site B.
>
> My present experience with 7200s is limited to 7206/NPE-200 with an FDDI
> (wan) link and multiple FA interfaces.This box, with CEF enabled (on
> 12.1(5e)), runs at about 40-45% processor (the FDDI is running at about
> 80Mbit/sec up to line-rate at times, the main FastEthernet interface the
> same).
>
> Will an NPE-400 capablyhandle the current implementation requirements
> (given above)?How far would it be able to service the siteA<->siteB link
> if those interfaces are upped to 622Mbit/sec?(Given the NPE-300 and
> NPE-400 appear to be the same price i'm considering the 400).
>
> I'd like to be able to do Gigabit Ethernet on the core interfaces, but at
> the moment I'm speccing for multiple FA interfaces (PA-2FE-TX), say
> 2xPA-2FE-TX, 1xPA-A3-OC3, 1xPA-POS-OC3 in each 7204/6VXR.I assume with a
> 7200 I'm going to run into PCI bus limitations with the Gigabit interfaces
> adding to the overall bandwidth (esp. if the GBE interface is on bus1 via
> the I/O module and i have to use bus2 for both the 155Mbit interfaces)?
>
> Any other recommended platforms?Would a low-medium 75xx series handle this
> better?Which bus/chassis type, RSP and VIPs? (i'm already confused
> enough, but can always handle more information :).
>
> I'm contacting our rep but thought that many of you would operate similar
> bandwidth environments (or much higher) and would know from operational data
> more than from the product pages :).
>
> -afort
>
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