Question about Linksys EtherFast 3116 Port 10/100 Ethernet Switch [ EF3116 ] (104857)

2 Answers

Ef3116 has different up and down speed.

I have a problem with an EF3116 switch and a specific PC. I have the following configuration : a EF3116 switch with PC1, PC2 and a laptop, connected with short cat5 cables. The combination switch and PC1 is the problem. The ingoing data on PC1 is 10 times faster than the outgoing. So, if I do a ftp ( with a file of about 2G) from PC1 to laptop it takes 200 seconds, the same file from laptop to PC1 takes 18 seconds. The same applies for PC1 -> PC2 which takes 200 seconds, while PC2 -> PC1 tale 18 seconds. PC2 --> laptop is about 17 seconds both way. If I replace the switch with an identical type, all times are 17 or 18 seconds. The same PC1 has the same problem with 2 different ships on which the same type switches are used. I think the switch somehow decides to limit the speed from PC1 but not to PC1, and is related to the MAC address. My question is: How is this problem introduced and how can I solve it. Thanks for any reply. Ronald.

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  • RonaldV Jan 10, 2008

    Thanks for the reply.
    All the PC's are of the same hardware and software. We are using a minimal redhat 7.2 linux setup. The speed problem only occurs with the this switch and PC1 combination. I can get dozens of PC's , with same hardware and software, which will work with this special switch, and dozens of switches which will work with this PC1. Is the LinkSys EF3116 switch so intelligent that it can remember which PC had problem with the speed in the past, so in the future if the same PC is connected, it reduces the speed. Can the switch be made to forget this ?



2 Answers

The EF3116 is not an intelligent manageable switch, so it should not be able to "remember" anything about connected devices...especially after you cycle the power off and on.

Posted on Jan 10, 2008


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  • 139 Answers

PC1 may have a defective NIC card. Also, verify that PC1's NIC card is using an up-to-date driver and that it's interface speed and duplex settings are set to auto-negotiate.

Posted on Jan 10, 2008


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What Are the Differences in AP-side Switch Interface Configuration and Intermediate Switch Configuration in Direct and Tunnel Forwarding Modes?

Differences in configuration on switch interfaces connected to APs are as follows:

In tunnel forwarding mode, interfaces connected to APs transparently transmit only packets of the management VLAN. These interfaces must be added to the management VLAN in untagged mode. In direct forwarding mode, interfaces connected to APs must be trunk or hybrid interfaces. These interfaces must be added to the management VLAN in untagged mode and added to service VLANs in tagged mode. If a trunk interface is connected to an AP, the PVID of the interface must be set to the management VLAN ID.

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Cisco SD208P switch is slowing connections...please help!!

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How can i reset the linksys ef3116 to default if it doesn not have a reset button or knowing what the ip address is on the switch?

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You might want to go into the motherboard BIOS and change all of the memory timing settings to AUTOMATIC. The settings that are currently configured may be set too high/fast for the new chips.

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Didn't recognize uplink

Not really, you just have a minor misconception. The network feed is not suppose to plug into the uplink. The uplink is for connecting 2 switches together so they act as if they were one switch.

Sep 22, 2008 | Linksys EtherFast 3116 Port 10/100...

1 Answer

I have a P3 at 500MHz and was wondering with this Motherboard,

The motherboard has three, dual in-line memory module (DIMM) sockets. Minimum memory size is 16 MB; maximum memory size is 768 MB. The largest DIMM supported at this time is 256 MB using unbuffered 128 Mbit technology parts. The BIOS automatically detects memory type, size, and speed.

The motherboard supports the following memory features:
  • 168-pin DIMMs with gold-plated contacts
  • 66 or 100 MHz SDRAM
  • Non-ECC (64-bit) and ECC (72-bit) memory
  • 3.3 V memory only
  • Unbuffered Single- or double-sided DIMMs in the following sizes:

DIMM Size Non-ECC Configuration ECC Configuration 16 MB 2M x 64 2M x 72 32 MB 4M x 64 4M x 72 64 MB 8M x 64 8M x 72 128 MB 16M x 64 16M x 72 256MB 32M x 64 32M x 72

Synchronous DRAM (SDRAM) can be installed in one, two, or three sockets. EDO DIMMs are not supported. Memory size and speed can vary between sockets.

Note: Intel® Pentium® II processors with 100 MHz front-side bus should be paired only with 100 MHz SDRAM. Processors with 66 MHz front-side bus can be paired with either 66 MHz or 100 MHz SDRAM.

All memory components and DIMMs used with the Intel® SE440BX-2 motherboard should comply with the PC SDRAM specifications. These include: the PC SDRAM Specification (memory component specific), the PC Unbuffered DIMM Specification, and the PC Serial Presence Detect Specification.

Note: It is recommended that SPD memory DIMMs be used with the SE440BX-2 motherboard. However, the BIOS will allow the use of non-SPD DIMM memory.

So the max you can go is 3 x 256 MB.

Thanks and please take a moment to rate fixya.

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2 Answers

Thanks but I need help just getting online

It could be a difference configuration of the ethernet adapters on each machine.

Try this from each machine when connected to the cable.
(assumes Windows XP)

Click Start then All Programs then Accessories then Command Prompt A new window will open -- in that window type the following

ipconfig /all

If this works copy the following for each adapter (there may be more than one per machine)

IP Address
Subnet Mask
Default Gateway
DNS Address(es) may be more than one

Put the answers in a comment to this problem and I will attempt to provide additional steps to resolve the issue.

one possibility --
If you loaded your DNS addresses into the laptop's adapter configuration and not into the desktop's laptop configuration that could be the issue.

There could be other issues the ipconfig answers should narrow down the problem so a specific solution can be given.

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