[f-nsp] Measurement of BigIron virtual interfaces

[Jonas Frey]

Sam,

you have a old M4 based on the ironcore chipset (see my last mail to the
list), this doesnt support sflow. You can configure it but it will NOT
work.

A VM1 *does* support sflow.

Regards,
Jonas


On Tue, 2004-10-26 at 18:13, Sam Stickland wrote:
> On Mon, 25 Oct 2004, Ray Taft wrote:
> 
> > No, you can not monitor a VE interface. It will report back zero usage.
> > Bummer, I know.
> >
> > Ray
> >
> 
> That is indeed a pain.
> 
> Does anyone know if the lack of VE interface counters is a hardware 
> problem? Does it change with a VM-1 card installed?
> 
> I've started looking at how to extract the information from sFlow, but 
> annoyingly I can't even seem to get sFlow exporting working.
> 
> SSH at foundry1#sh run | inc sflow
> sflow enable
> sflow sample 512
> sflow polling-interval 30
> sflow destination w.x.y.z
> 
> SSH at foundry1#conf t
> SSH at foundry1(config)#int e1/3
> SSH at foundry1(config-if-e1000-1/3)#sflow forwarding
> SSH at foundry1(config-if-e1000-1/3)#exit
> SSH at foundry1(config)#exit
> 
> SSH at foundry1#sh sflow
> sFlow services are enabled.
> sFlow agent IP address: 10.134.221.4
> Collector IP w.x.y.z, UDP 6343
> Polling interval is 30 seconds.
> Configured default sampling rate: 1 per 512 packets.
> Actual default sampling rate: 1 per 512 packets.
> 0 UDP packets exported
> 0 sFlow samples collected.
> No ports configured for sFlow sampling.
> Module Sampling Rates
> 
> SSH at foundry1#sh run int e1/3
> !Building configuration...
> !Current configuration : 47 bytes
> interface ethernet 1/3
>   port-name Gi0/1 Net1
> !
> 
> So basically it's just ignoring the sFlow port configuration. I've read 
> through the Foundry docs and can't seem to figure out why. The interface 
> e1/3 is one of the GE ports on the B4GMR4 card, and the box is running 
> 07.7.01T53 (B2R07701).
> 
> Feels like I'm missing something very obvious, but I can't see what.
> 
> Sam
> 
> > -----Original Message-----
> > From: foundry-nsp-bounces at puck.nether.net
> > [mailto:foundry-nsp-bounces at puck.nether.net] On Behalf Of Jonas Frey
> > Sent: Monday, October 25, 2004 12:07 PM
> > To: Cliff Fogle
> > Cc: foundry-nsp at puck.nether.net
> > Subject: RE: [f-nsp] Measurement of BigIron virtual interfaces
> >
> > Hi,
> >
> > please bare in mind: sflow is only supported on the jetiron m4 boards,
> > not on the (old) ironcore ones.
> > I dont know about ve monitoring/accounting.
> >
> > Btw, i got some foundry equipment to sell...if anyone is interessted:
> > B2P622-SM-IR
> > M4R4G (somehow defective, tends to crash when running bgp/using alot of
> > routes)
> >
> >
> > Regards,
> > Jonas
> >
> > On Mon, 2004-10-25 at 18:57, Cliff Fogle wrote:
> >> NTOP kind of has sflow support.  It really only gives 'top talkers'
> >> info.  The best thing out there at this time is really InMon's traffic
> >> server:
> >>
> >> http://www.inmon.com/products/trafficserver.php
> >>
> >> (warning:  There is a free demo avaialble and it's addictive)
> >>
> >> Foundry is apparently building much better sflow support into INM 1.8,
> >> but I have yet to see anything other than a PowerPoint mock up of it.
> >>
> >> -----Original Message-----
> >> From: foundry-nsp-bounces at puck.nether.net
> >> [mailto:foundry-nsp-bounces at puck.nether.net] On Behalf Of Sam Stickland
> >> Sent: Monday, October 25, 2004 6:47 AM
> >> To: foundry-nsp at puck.nether.net
> >> Subject: [f-nsp] Measurement of BigIron virtual interfaces
> >>
> >> Hi,
> >>
> >> Is it possible to measure the virtual interface bandwidth stats on the
> >> BigIrons (Mmgt4)? I notice that the interface OID's appear to be
> >> readable but the counters never seem to increment (running 07.7.01T53)
> >>
> >> Can this information be read via SNMP. If not, a cursorsy glance at the
> >> sFlow specs seems to suggest is it possible to measure this information
> >> using sFlow. If so are there any opensource or reasonably lightweight
> >> tools that can process the information in this regard?
> >>
> >> Thanks,
> >>
> >> Sam
> >> _______________________________________________
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> >>
> >>
> >>
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