I think the best idea is use HC ones by default and fall back to ifTable 
ifyou use v1? Would that be a good compromise?


-----Oryginalna wiadomość----- 
From: Craig Small
Sent: Monday, April 16, 2012 3:09 PM
To: JFFNMS Mail List
Subject: [jffnms-users] what should be the default poller for 
physicalinterfaces

Hello,
  I am wondering what should be made the default poller for SNMP
interfaces. Older versions of JFFNMS had a little trick where it used
standard ifTable 32 bit counters for snmp v1 and ifXTable 64 bit
counters for v2c and v3.

The problem was that if your device supported later SNMP versions but
not ifXTable you were stuck polling a non-existent set of counters.

Later versions of JFFNMS now have 4 explicit poller groups:
  Cisco
  Cisco HC
  Interfaces
  Interfaces HC

The HC varieties use the 64 bit counters and the difference between the
cisco and interface groups is that the Cisco ones do a proxy ping if
you have a snmp read/write community.

So, which should be the default?  My preference is to use Interfaces HC
because you should be using v2c at least if not v3 but you have the
problem that v1 won't work.  The Cisco varieties are only need for
specific circumstances.

Perhaps the HC ones should be the default and fall back to ifTable if
you use v1? Would that be a good compromise?

- Craig

-- 
Craig Small VK2XLZ   http://enc.com.au/          csmall at : enc.com.au
Debian GNU/Linux     http://www.debian.org/      csmall at : debian.org
GPG fingerprint:     5D2F B320 B825 D939 04D2  0519 3938 F96B DF50 FEA5

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