[c-nsp] 7200

[Raimonds Treimanis]

Hi!

We have 7206VXR with NPE-300, 1Ge/1e I/O
Its connected to our upstreem provider via STM-1 pos adapter and via gig ethernet to our backbone, no other PAs installed.
Has full bgp table (140k prefixes). CEF enabled, NetfLow switching enabled.
Running 12.2(18)S4 IOS
Peak traffic is about 100Mbps, approx 30k pps
And for some reason CPU load is 75% average with peaks of 100% when it starts dropping some packets.
Question is - is it normal for such device, or there is some misconfiguration which eats up all the CPU?
Cisco www says that this engine should be able to handle 20k pps process switching and 200k CEF/Fast.
And it is fast switching, at least it says so:

sh int pos 2/0 switching
          Throttle count          0
        Drops         RP         96         SP          0
  SPD Flushes       Fast          2        SSE          0
  SPD Aggress       Fast          0
 SPD Priority     Inputs      97336      Drops          0

     Protocol       Path    Pkts In   Chars In   Pkts Out  Chars Out
        Other    Process          0          0     381989    9167736
            Cache misses          0
                    Fast          0          0          0          0
               Auton/SSE          0          0          0          0
           IP    Process   21754799 1480287596   21426884 1450760942
            Cache misses          0
                    Fast 3657241493  234640331 2110948468 3767943311
               Auton/SSE          0          0          0          0


Best Wishes, Raimonds Treimanis
Telia Latvija, Data network group manager