Cisco Switches :: Linksys SPS224G4 Throughput Causes Slowness
Dec 18, 2012
during using switches Linksys sps224g4 faced with the following problem.
When the end user is connected in 100 Mbps port of the switch and rtt more than 10 ms to a remote server, the download speed from server in one stream does not exceed 2.5 MBWhen rtt less than 5 ms, the download speed in the one stream 11 MB.
When switching user from 100Mbps to 1Gbps port, download speed from remote server grows up to 11-14 MB.When we connect user to 100Mbps port of another manufacturer switch in one stream download speed reaches 10MB.
Tried to configure next parametrs:
1. Checked for firmware 1.0.2 and 1.0.6, the situation is identical.
2. Enable, disable negotiation on the client port.
3. Turn on / off qos.
4. Turn on / off flow-control.
5. Turn on / off jambo-frame (I do not know how it could have an influence, just in case).
6. During traffic analizing on the users port were found no differences between downloading from servers with rtt 5 and 35 ms.
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Oct 16, 2011
Pinouts for making a serial cable to connect from a pc to the LINKSYS SPS224G4 Switch?
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Mar 8, 2010
I am trying to enable LLDP in sps224g4 switch. console# sh verSW version 1.0.2 ( date 18-Nov-2008 time 12:38:16 )Boot version 1.0.2 ( date 13-Nov-2007 time 14:11:51 )HW version 00.03.00 While there is snmp lldp oids, and I can snmpwalk and snmpset them, no matter what I do switch neither send nor recieves LLDP TLVs, and all LLDP related fields for ports stays at 0 LLDP packets send/recieved or empty.
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Jan 19, 2012
I'm experiencing significant slowness with my E4200V2 that is resolved after a reboot. Here is a pre/post reboot ping:
C:Users
eil>ping www.google.comPinging www.l.google.com [74.125.115.106] with 32 bytes of data:Reply from 74.125.115.106: bytes=32 time=1275ms TTL=52Reply from 74.125.115.106: bytes=32 time=994ms TTL=52Reply from 74.125.115.106: bytes=32
[Code]....
As you can see, the results indicate that the reboot fixes the issue, and the difference is significant and noticeable. I find that I need to reboot the router once every few days. My old router, a WRT54GL, was rock solid with the same ISP (I'm in an apartment and plug a LAN cable directly into the wall. What happens beyond that - I don't know. I think there's wireless involved somewhere, though.).
Clearly, rebooting the router resolves the issue. Since my old WRT54GL worked flawlessly, I suspect it's the router. Because the delay seems to happen between the router and the ISP, the possibilty remains that it's an issue on the ISP side. However, that seems unlikely given the stability I saw with the WRT54GL.
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Sep 25, 2012
Any way to test throughput on a routed SG-300. I tried using iperf with netbook on VLAN1 to netbook on routed interface running @ 100mb. I was getting results as low as 40mb upto 200mb (sometimes even 2gb, I assumed these to be flukes). Since implementing it, the throughtput seems worse, I'm getting between 10 - 40mb of throughput. I have about 30 clients behind it routing across a 100mb leased link. I don't see why the SG300 shouldn't be able to do wire speed routing (upto 100 hosts). How to verify the expected throughput consistently?
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May 30, 2012
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Mar 27, 2013
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May 9, 2011
I have been trying to find out what the maximum Wan to Lan thruput is for the Linksys Cisco BEFSR 41 Etherfast router..
Have both the version 3 and 4 models and want to deploy them into both 6mb and 12mb DSL networks.. From what I have found the version 1 and 2 have 10mb wan ports and the version 3 and 4 have 10/100mb ports.. There seems to be hardware upgrades as well with the CPU and memory speeds but what they are I do not know for sure.. Found someone stating that they went from a 50mhz CPU to a 166mhz CPU to a possible 220mhz CPU...
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Jun 11, 2012
I recently bought a WRT160NL router. I have a 10/10 Mbps internet connection, but when I am connected via the router it only gives me ~2.5/1 Mbps speeds. Connecting my computer directly to the "wall" results in 10/10 Mbps speeds. I have tried connecting to the router both wireless and by wire, it makes no difference. The internal wired and wireless speeds are fine, as I have copied files over the internal switch and via the wireless network at relatively high speeds. I have not fiddled with any connection settings except creating a few permanent DHCP leases.
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Jun 22, 2012
I have a E4200 V1 with 1G internet connection, when i connect my PC, with a cat6 cable, directly to the modem the download speed can upto 800Mbs, but when i connect through E4200 to the modem it down to 100Mbs.
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Feb 1, 2012
I have a E2500 connected via LAN to my network via a switch or hub through a sonic wall and into the modem out to the internet. The problem is that I am only getting +/- 5Mpbs Down and +/-7 Mbps up through the router.
If I connect my computer to the network with out going through the router my speeds are more in the range of +/-28 Mbps down and 16Mbps up. I have been working with Linksys support but they have not been able to assist me with this yet! Is there any configuring I should be doing at the firewall or to the router to tell it to open up the port for faster speeds?
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Feb 12, 2012
I have an E4200 running firmware v1.0.03.Works fine for a period of time (might be hours, might be days) then throughput drops to something in the range of 1-3M when typically I'll see 6-8M (DSL). I can reset the DSL modem, hubs, etc but the problem isn't fixed until I reset the E4200; so I've pretty much narrowed it down to the router.
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Jul 12, 2007
What the Firewall throughput is for the BEFSX41.
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Dec 25, 2010
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Feb 17, 2008
I am currently using Netgear FVS338 Routers / VPN Devices in 3 different locations and honestly I am not happy / impressed with them whatsoever.I have been doing some research and came across the Linksys RV042 and RV082 devices that caught my eye. The question is what is the VPN throughput of these devices?I have gone over the website, spec sheets and they only really say the throughput of the LAN Links and not the WAN Links. I currently have very reliable 20Mb+ Synchronous connections between all 3 sites and have not been able to get any good performance out of the Netgear devices and contacting their support is a joke. They can't tell you anything other than it should work or we will swap out the unit. Well if I have 3 of them that have been purchased at all different times I don't believe that they are all having the same issues. What these units 3DES VPN Throughput and will more than likely be purchasing 3 of which ever once suits our needs immediately.
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Aug 13, 2012
I have a 500Mbps Internet Connecton with fibre and I bought an EA3500 recently. I found the LAN through put degraded by compare connected and not connected with EA3500.all connections are using CAT5e cable with all Gigabit port enabled in PC/ISP Router.
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Dec 27, 2011
I'm using E4200 (fw 1.0.03) as AP and EDIMAX 6675nD as a client. I can't get over ca 10MB/s data througput even there aren't any other communication loads. Test conditions are: 5GHz band, no other networks in the band, distance 2m without any obstacles, no other data transfers (except the test), data source is NTB on GLAN port of Linksys, data sink is NAS at GLAN port of Edimax, test file is 0.5GB file. The NTB and NAS doesn't seems to be a bottleneck, because NTB connected directly to the Edimax does over 50MB/s. Both the E4200 and 6675nD are (should be) capable of 450Mbit/s @ MCS23. Strange thing is that none of them allows setting of MCS23 in their manual settings. It ends with MCS15. While forcing the E4200 to a specific MCS (in the hidden wireless_advanced menu) the MCS15, 14, 13 and auto give very similar results. The throughput drops by MCS 12 and lower indexed MCSs.The 10 MB/s seems to be a low number.... and (based on internet forums) I'm not the only one fighting the magic number 10MB/s. What is the reason of the ca 10MB/s bottleneck? And the resons why both of the routers are quiet about the MCS16 to 23 schemes in their menus, while their labels aren't?
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Aug 14, 2012
I've just upgraded to FIOS quantum service. (50 MB down, 25 up). I have a Linksys 2500 connected to the FIOS router. The FIOS (ActionTec) router provides the full advertised speeds with any speed test service I try. But with the 2500 connected to the FIOS router I get download speeds about 3MB. The MTU on the linksys is 1500. It's connected correctly and is running it's own DHCP server. (Why am I doing this? I try to avoid the ActionTec routers, they have broken many services in the past.)The 2500 firmware is up to date. I've tested on the wireless and wired (ethernet) interfaces.
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Apr 11, 2013
I was looking for document where the VPN throughput of the Cisco886/887 Router is listet.
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Jan 18, 2011
I need to provide a router to connect Internet circuit and run IPsec to MPLS network. Circuit is 10Mbps.
What is the max a Cisco 881 can handle if running IPsec?Also, if you are aware of any branch router (1941) which allows connection to future 4G LTE .
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Apr 23, 2013
We have a 1841 setup with WAN and LAN subinterfaced(2 WAN connections, 1 internal VLANs) and I am recieving some pretty horrible throughput when traversing the router to the WAN.
I am receiving about 2 MBPS down but around 5 up.Currently there is a ACL on the WAN interface, and as well we are running NAT NVI. It is possible that this might have something to do with it, but I am not sure.
Most of the CPU is going to IP input however I cannot seem to determine the cause. One thing I am thinking is the overload for NVI is using a route-map. Could that cause it to process switch instead of fast/CEF switch?
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Mar 17, 2013
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Jan 25, 2013
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Jun 2, 2011
i have gotten a question from a partner in regards to the throughput on both LAN and WAN on the SRP541W. I can't really find that on the datasheet.
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Jun 12, 2012
We are looking at providing an ISR 819 for one of our customers using FTTC & 3G for failover .. However, I cant seem to find any recommended throughput guidence for the device? We could be looking at up to 80Mbps via the ethernet interface and I just dont know if the device will cope?
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Mar 31, 2011
I have a Cisco 881 (without wifi model) connected to a 100Mb unmanaged switch and a cable modem with a 120Mb down, 10Mb up connection. When I connect the modem directly to my laptop, I can reach the 120Mb/s down and 10Mb/s upload speed. When I connect the modem to the 881, the max download is about 30Mb/s. Upstream 10Mb is no problem. I've been trying to change the duplex and speed settings on the FastEthernet4 interface, but this has only a worsening effect. I should be able to get about 100Mb/s (since switch is only 100) right?
JAAPROUTER_HQ2#sh ruBuilding configuration...
Current configuration : 3515 bytes!version 12.4no service padservice timestamps debug datetime msecservice timestamps log datetime msecservice password-encryption!hostname JAAPROUTER_HQ2!boot-start-markerboot-
[Code].....
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Jun 13, 2012
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Jan 12, 2011
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Jun 18, 2011
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Nov 22, 2012
we have one OC-24 private line between our data centers. we are looking to get best throughput but we get max. avg throughput of 300Mbps with peaks of 800Mbps throughput. i.e. we transfered 2TB of data over this link and we got average throughput of 300Mbps with peaks of 800Mbps.
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Jan 31, 2012
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Feb 10, 2013
We currently are using 2811 router for internet Via IPSEC tunnel.Download speed is 30 Mbps and Upload speed is 6 Mbps.
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Jan 17, 2013
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