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Not getting full data throughput on Cisco ASA5505.

Posted on 2013-12-18
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Last Modified: 2013-12-20
Hello,

My company recently upgraded our Internet to a new service provider with 100mbps for both Up and Down rates (fiber).  While connected directly to the provider's router, we get pretty much our full rate at approx 95mbps up/down.  however, once we connect our LAN back through our ASA5505, our rate drops drastically on the upload side.  Running a speed test I get 87mbps down and avgerage of about 35 mbps up.

Our Internet router is connected to Int e0/0 on the ASA and the LAN is connected to Int e0/1.  All other ports are disabled.  Int e0/0 & e0/1 are both set to Duplex=Auto, Speed=Auto.

Note: If Int e0/0 is set to anything other than Auto/Auto, our download rate drops to approx 10mbps.


Is there anything that can be configured to get our full upload rate?  Or is this a limitation with the ASA5505?

Thanks in advance for the help.
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Question by:CKilmer1975
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Craig Beck earned 500 total points
ID: 39727991
Ask the ISP what the port settings are configured as on their side, then match it on your ASA.
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Author Closing Comment

by:CKilmer1975
ID: 39733153
Thanks for the info.  I stumbled upon that and got it working.
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