[F10-nsp] sflow problem

[o k]

Hi,
 I have a question about sFlow.
 sFlow is enabled on E300, but there is no "sFlow" word in the output of 
"show inventory" command.
Is this a normal behavior?

- now, E300 seems to have stopped sending flow samples to the collector, it 
reports counter samples only. 
(At first, I could see flow data in the sFlow datagram, but ,,,)
- e.g. sFlow is enabled on gi0/47, and there is enough traffic to sample on 
that interface.
But E300 says "0" samples rcvd from h/w.

TIA
keio

[outputs]

e300#show inventory
Chassis Type     : E300
Chassis Mode     : TeraScale
Software Version : 6.2.1.3

:
<snip>
:


Software Protocol Configured
--------------------------------------------------------------
  MSTP
  NTP
  OSPF
  SNMP
  Spanning-Tree

e300#



e300#show sflow
sFlow services are enabled
Global default sampling rate: 256
Global default counter polling interval: 20
1 collectors configured
Collector IP addr: 192.168.1.2, Agent IP addr: 192.168.2.2, UDP port: 6343
9410 UDP packets exported
~~|~
  +---<< This counter increases. >>

0 UDP packets dropped
1141 sFlow samples collected  
~~|~
  +---<< These counters stopped increasing without my knowledge. >>
  |
351 sFlow samples dropped due to sub-sampling
~~~
Linecard 0 Port set 0 H/W sampling rate 256
  Gi 0/47: configured rate 256, actual rate 256, sub-sampling rate 1



e300#show sflow interface gigabitethernet 0/47
Gi 0/47
Configured sampling rate         :256
Actual sampling rate             :256
Sub-sampling rate                :1
Counter polling interval         :20
Samples rcvd from h/w            :0 
                                  |
                                  +--- << This counter does not increase. 
>>

Samples dropped for sub-sampling :0 


e300#show int gi0/47
GigabitEthernet 0/47 is up, line protocol is up
:
<snip>
:
Rate info (interval 299 seconds):
     Input 01.47 Mbits/sec,        827 packets/sec, 1.61% of line-rate
     Output 06.40 Mbits/sec,        992 packets/sec, 6.55% of line-rate
Time since last interface status change: 6d6h54m


e300#sh ru
:
interface GigabitEthernet 0/47
 no ip address
 switchport
 speed 100
 no negotiation auto
 sflow enable
 no shutdown
:
sflow enable
sflow collector 192.168.1.2 agent-addr 192.168.2.2
sflow sample-rate 256
:

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