Network gurus - Network Troubleshooting?

Well the decision to make changes to config was above my head so I'm not worrying about that too much but I am interested in using this particular problem to learn a bit more :)

I've got SNMP monitoring setup on the switch at the client end and so far traffic seems pretty tame. Total traffic average is around 1000-1500kbit/sec so nothing drastic.

The LES10 connections are on a different VLAN so multicast and other broadcast traffic shoudln't be a problem I'm assuming?

STP is enabled - not too familiar with this but its definitely enabled! Whether its configured correctly? Who knows ;P

QoS is another subject I'm not that familiar with. I understand the concept but as far as the configuration itself I'm not sure what's ideal in this situation with these Netgear switches so if anyone is aware of any good guides then I'd appreciate a link :) Failing that I guess I could read the admin PDF files for the switch but I'm not sure how helpful those are.

QoS also seems to be enabled but whether its actually helping I don't know!
 
Well, now that you've sorted out monitoring should be easy enough to leave the traffic info logging/graphing, and then check them next time that you get reports of a "slow network".

Is the terminal server in question only accessed by people in this second site? As mentioned before I'd be inclined to say it's a server issue rather than network.
Another thought, are they likely to be printing large documents (esp Images/PDF's) to a local printer?
 
Phal said:
Well the decision to make changes to config was above my head so I'm not worrying about that too much but I am interested in using this particular problem to learn a bit more :)

I've got SNMP monitoring setup on the switch at the client end and so far traffic seems pretty tame. Total traffic average is around 1000-1500kbit/sec so nothing drastic.

The LES10 connections are on a different VLAN so multicast and other broadcast traffic shoudln't be a problem I'm assuming?

STP is enabled - not too familiar with this but its definitely enabled! Whether its configured correctly? Who knows ;P

QoS is another subject I'm not that familiar with. I understand the concept but as far as the configuration itself I'm not sure what's ideal in this situation with these Netgear switches so if anyone is aware of any good guides then I'd appreciate a link :) Failing that I guess I could read the admin PDF files for the switch but I'm not sure how helpful those are.

QoS also seems to be enabled but whether its actually helping I don't know!
Click to expand...

Broadcast isn't an issue, didn't bother reading the massive iperf speeel first time round but the source and destination are on separate subnets so there's routing involved there somewhere. As for where - I don't know. This could also contribute to a bottlneck.
A traceroute to the terminal server would be helpful to understand exactly where the connections are going.
You need to know how they're getting there before you can hope to find out why they're doing so slowly.
 
Well the route isn't really complicated :) between the clients and the TS lie 2 Netgear switches and the fibre link

The users in the remote office are the only ones that use the Terminal Server day in day out and bandwidth isn't an issue for them really.

From what I read the QoS can be custom configured for certain traffic on these Netgear L3 switches as opposed to some of the cheaper/less complicated Netgear stuff so I guess this is something I should look in to.
 
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