4Mbps Bandwidth of Internet is provided to my company by the ISP. When I check the speed of the internet at the inside interface of the Juniper firewall I get around 3.4 Mbps. The Juniper is connected to two Catalyst 4507 Core switches, which is then connected to 3560 Access Switches. The users connected to the Access Switch only gets an internet speed of 500kbps. The drop seems to be happening at the Core Switches. How can I verify and determine what is causing this slow speed??
behind the Juniper firewall I am getting good internet speed (nearly 3.4 Mbps). The Core Switches and the Access Switches stand between the user and the Juniper firewall, forcing me to believe that they are the cause.
How are you measuring the speed at the access switch?. There are many factors that can affect the throughput: PC performance, access link speed and duplex, etc.. Also, be aware that Windows displays speed in bytes per second.
Cool site! Is it both directions, upload and download, that are suffering behind the access switch, or one direction only?
Also, have you checked the speed and duplex arrangements between the PCs and the access switch. Do you use fixed duplex or auto? If it is auto, it needs to be auto on both the switchport and the PC. If it is fixed, then it needs to be fixed on both the switchport and the PC.
Perhaps you could port a show int for one of the PC ports on the access switch?
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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