[mrtg] Re: Monitor an ATM interface on Catalyst 6509

[Greg.Volk at edwardjones.com]

> Hello
> 
> I am trying to monitor an ATM interface, and am confused.  Is the default
> InOctets and OutOctets accurate when considering the ATM interface is using
> 53 byte cells?  If not, any recommendations on which OID to use, and which
> interface in the config file to monitor (3/1/0 or 3/1/0-aal5)
>

Is your ATM interface a module in a flex-wan card, or a pure 
ATM blade? I've polled the octet counters (32 and 64 bit) on a 
flex-wan card with an OC-3 port adapter in it and came away 
with good results. Yes, they are bytes, not cells.

As for a pure ATM blade, like a WS-X6101-OC12-SMF, I've just been 
monitoring the ATM switch side which happens to be a marconi 
box. The cisco X6101 blade runs a copy of IOS in and of itself, 
which I haven't gotten around to configuring snmp on. The
marconi switch if-in/out-octet counters don't seem to mean a 
whole lot - there are other OIDs that produce accurate numbers
for cells in/out tho, and these are what I plot. They are 

.1.3.6.1.4.1.326.2.2.2.1.2.2.1.12 (input cells)

.1.3.6.1.4.1.326.2.2.2.1.2.2.1.18 (output cells)


Greg Volk
5-7450

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