I have quite the frustrating problem with my ASG 320 running UTM 9.206-35.
I have a fairly simple setup using two VLANs:
Staff - 2-port LAG - Eth Static
Student - 2-port LAG - Eth Static
Each LAG is connected to a separate Cisco SGE2010P switch. LACP and Flow Control are enabled on each LAG on the switch side. The two switches themselves are also joined by a LAG, LACP and Flow Control enabled.
Config is minimal: Any traffic from Staff VLAN allowed to Any, IPS disabled, ATP disabled, Network Visibility disabled.
The problem:
When I initiate a file transfer from a client on the STUDENT side to/from a server on the STAFF side, it is blazing fast (~120 MB/sec).
When I initiate a file transfer from a client on the STAFF side to/from ANY server on the STUDENT side, it is crawling (writes ~1 MB/sec; reads ~5 MB/sec). I've tried it with multiple fileservers on the student side; everything is slow.
Any thoughts on what would be causing this?
Thanks,
Tom
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