LAN Bandwidth monitoring.....

Good morning,
Please excuse if this question has been asked before but I am going round in circles here.
I have a 2MB leased line for internet/email access into our office and a 10MB Lan extension line between our 2 offices, which enables the remote office to use the 2MB line over the 10MB. However the remote users are struggling to use some internet apps (online credit check etc) as the system times out during working hours. If thye access before/after working hours there is no problem so I presumed a bottleneck was occuring on the 10MB line but after running PRTG on the 10MB swicthes (at each end) it shows the line barely caps 1.5MB, even when I try to copy a 100MB file across the circuit.
What I need is a better way of monitoring the devices, & I have recently tried SolarWinds & Observer bandwidth monitors but they seem to be overkill. All I require is a monitor which can report on the traffic on SNMP devices and alert me should it exceed a limit. If it can also tell me what type of traffic is being sent/received all the better for enabling me to sort the issues, which is where PRTG lets me down a bit.
Any ideas. I can stretch to £500 probably for the right software.
Thanx for your time
G
gary_bAsked:
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Yan_westConnect With a Mentor Commented:
To do this, you could use the Ethereal Network Sniffer, wich is completly free.. and does everything you need..

http://www.ethereal.com/
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