[c-nsp] Replacing a 7206VXR w/ NPE-G1 with Sup720-3BXL w/ WS-X6408A-GBIC

[Jon Lewis]

On Wed, 29 Jun 2011 Matthew.Coleman-Hamilton at servicebirmingham.co.uk wrote:

> Thanks. I had (perhaps foolishly) assumed that moving from an NPE-G1 to a
> Sup720-3BXL-based platform would represent an upgrade from the 7206VXR (as
> well as having the advantage of bringing our Internet BGP tier in-line
> with the rest of our core network from a hardware perspective).
>
> When comparing the NPE-G1 to a Sup720-3BXL for the purposes of being an
> internet-facing BGP router am I actually proposing a backwards step?

It may not have as much CPU power as a G1, but it's a switch and was 
designed to switch packets at line rate...lots of them, lots more than a 
VXR can do.  BGP convergence may go a little slower, but the platform will 
forward more traffic (PPS or Mbps) than the VXR.

----------------------------------------------------------------------
  Jon Lewis, MCP :)           |  I route
  Senior Network Engineer     |  therefore you are
  Atlantic Net                |
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