On 9/18/2010 6:28 AM, Heath Jones wrote:
Hi
Firstly, when you say packet loss, what are you referring to? Is it
just the icmp traffic, or are customers reporting faults with non icmp
traffic or...?
Is the 'internet gateway' the 7609 pictured on the diagram?
Its pretty unlikely, but worth checking that there are no duplicate
mac addresses on the network. A duplicate (of 7609 on mdf side) could
cause these symptoms.
You could swap out the RAD with your own device for testing..
I don't think that standard icmp tests will identify the problem
though. If what the engineer said is true, then you really need to be
pushing some traffic down to see it. (load related issue)
'Another engineer tells me that when our customers traffic is removed
from the picture the packet loss goes away'
The first thing though - what is the packet loss?
The customer is reporting a problem. They have an outside IT service
that monitors a firewall/VPN solution for them.
We never went into detail about what kind of packetloss they are seeing
since the problem appears to be on our side/our upstream.
Yes the 'internet gateway' is the 7609. The 7609 is the device with the
L3 interface we use as a default route.
ICMP packetloss anywhere from 1-5% when a set of 1000 pings are sent
from MDF to 7609 L3 interface.
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