We have had two "upgrades" on a 7204VXR platform where we went from a G1 to a
G2 controller.
Case A is a pretty straightforward BGP with 2 full feeds, 400Mbps aggregate
traffic @72,000pps.
Case A upgraded to 12.4XD train from 12.3 mainline
Case B is a L2TP LNS, aggregating around 3000 PPPoE sessions. Traffic is
350Mbps aggregated, @44,000
pps
Case B upgradde to 12.4T train from 12.3 mainline
In both cases, CPU usage actually increased about 5%. Contrary to our
expectations, we have no visible improvement in terms of perceived capacity
using the G2 controller in either case. Graphing CPU, traffic, memory and PPS
rates over a 24 hour period you could not determine which graph is G2 or G1 as
they are pretty identical.
Any tips as to what we can look at would be appreciated. Any experiences
performing this so-called upgrade?
C.
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