Cisco WAN :: 2801 Max Ethernet Speed
Jun 23, 2011
We have a 2801 rotuer in place that hooks up to a metro ethernet link that's obviously dropped off to us via ethernet. Anyway, the throughput granted to us is 20MB, but for some reason I can't get it to go anything above 11MB at the most. I've spent a day going through documentation trying to find the fastest speed the 2801 supports and I can't find my answer. I've seen that the high speed wan cards in this router support up to 45MB, but I'm not using a WAN card, only one of the two built in 10/100 ports.
what the maximum throughput speed is on a 2801?
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Feb 28, 2012
I'm using for a company network a 2801 Cisco Router. This router has 2 FastEthernet Interfaces connected on 2 ISP's and one VLAN for internal users. What acl should i use if for example one client from the lan is using a torrent client to download from the internet. I want just to specify a maximum download speed or to block that client to access the internet when it's trying to download something that can affect other clients from the LAN.
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Jan 1, 2013
I have a Cisco 2801 with a 4 port Layer2 switch card installed (HWIC-4ESW).
How do I bridge Ethernet0/1 to the 4ESW so if you were to plug a computer into the 4ESW, it would be on the same network as Eth0/1? see my config below:
interface FastEthernet0/1
description Internal Interface
ip address 10.1.2.1 255.255.0.0
[Code].....
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Oct 9, 2012
we know that some Ethernet runs at 100Mbps, but my question is, where this figure (100) came from? Is it any special way to find speed of Ethernet?
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Feb 25, 2012
I have a two computer network. Here are the network adapter details of the two computers.
-Realtek RTL8111E Gigabit Ethernet Controller
-Broadcom NetXtreme Gigabit Ethernet
I'm using a CAT5e cable. But it gives only a 10 MB/s file sharing speed. What is the reason for this? (In both the computers under "Local Area Connection Status" it shows 100 Mbps for the speed)
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Jan 15, 2013
I have in my office switch Cisco Small business series SG300 with 50 x 1G ethernet ports. Now I wanna enlarge my network. I want to buy Cisco SF200-48 with 2 x combo Gigabit SFP . My question: is it possible to connect SF200-48 to 300Series at 1G speed over ethernet? Can I use ethernet port on combo Gigabit SFP on SF200 like uplink and connect it to any port in 300Series?
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Oct 23, 2011
I have a 2610 router. How can I tell if the built-in ethernet port is only a 10BASE-T or if it's a 10/100 port? Is there a "Show" command to give me this information or did it only come one way? I have found conflicting information on this :-( If it's only 10BASE-T, can I upgrade it to 10/100?
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Jun 14, 2012
My Cisco E3000 has slowed it's Ethernet speed so slow that it times out when going to Facebook, YouTube or any site that is complex. It worked fine until one day it just gave up. It's connected to DSL Modem with Ethernet To a Apple Mac G5 power PC There are two other older macs connected via Ethernet, same problem. When I took the router out of the chain, and connected G5 directly to modem, normal internet speed. My firmware is up to date. Both wireless bands work great. When I look at Cisco Connect, everything looks normal. factory settings.
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Oct 4, 2011
I'm pretty new to networking. Purchased a E4200 for my home line. When i connect directly through the modem i see speeds of about 600mbps but when i connect through the router via an ethernet cable on an empty port on the back of my e4200 my speeds drop to about 180mbps. I expected a speed loss going through wireless but why i am experiencing a speed loss by using the ethernet as a passthrough? I thought the ethernet ports on the e4200 were gigabit and support up to 1000mbps?
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Jan 12, 2013
What s the fabric speed (backplane speed) of a Nexus 2232 10G EX?What is the forwarding rate (Mpps) of the same 2232 FEX?
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Feb 5, 2013
I have a Cisco 2801 with dual ADSL WAN connections, PATing to a network hanging on the fa0/1 interface. From the server connected to the router (hanging off of the fa0/1) interface, I can ping any address and there are no issues. But from inside the Cisco CLI, pinging certain addresses causes erratic behavior. [code]
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Nov 9, 2011
I have a 2801 router. The Fa0/0 int shows up/down. I have plugged it into diffrent cisco and non cisco switches and even a cross over cable to my laptop. I cant seem to get the protocol up. I have changed the speed to 100 and duplex to full to try to get it up that way and nothing. [code]
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Dec 23, 2011
I have a 2801 with dual ISP connections, and I have configured route-maps to direct voice traffic over ISP1 (working just fine), and I'm attempting send all other traffic over ISP2 (traffic is load-balancing instead). The connection to ISP2 is DHCP, and I have configured a route-map to route this traffic using the 'ip next-hop dynamic dhcp' command, but when I look at the route-map, it states the following: ip next-hop dynamic dhcp - current value is UNKNOWN..Is there something that I need to enable in order to see the next-hop, and properly send traffic over the ISP2 connection? [code]
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May 3, 2012
I have a Router 2801 What conf should i make to access the webserver from the same LAN.
!
no ip dhcp use vrf connected
ip dhcp excluded-address 192.168.1.1 192.168.1.63
[Code].......
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Jul 23, 2007
I looked but could not find any information on what's the use of the USB interface on my 2801 router. I saw something about Cisco USB memory module and eToken by Aladdin. Is this interface restricted to Cisco and Aladdin only?
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Oct 14, 2012
I have a Cisco 2801 with flash: c2801-advipservicesk9-mz.124-16.bin where I use to doing VPN IPSEC.My problem is where I do a connection with a client, if my VPN dont have a traffic, the tunnel are closed. If a receive or send any traffic, the tunnel get up again.If don't have traffic, this tunnel is closed and after is opened other tunnel where is changed the conn-id to 999 for example.This comportament is normal? Exist a form that my tunnel never close? I enabled the parameters below: [code] But the tunnel continues closing if a don't have traffic.
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Mar 21, 2012
We are setting up a new VPN from an ASA to a cisco 2801 router (behind a third parties checkpoint firewall). We seem to be almost there with the setup but the tunnel is not working correctly. I have included a debug from the 2801 router and its config and a diagram of the setup. [code]
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Aug 4, 2011
I have a Cisco RV110W small business router setup at my home. It has one of those HTML GUI interfaces, check the boxes, etc.., to get things working. Basically, your typical home router with VPN. I have enabled the VPN, it's PPTP, added the password, and now it's automagically configured! I can successfully VPN to my home with a Windows7 client. Here's my problem, I now need to VPN into my home router with a 2801. Is this possible? Everything I found on the subject has only been to setup a Cisco IOS router as a VPN server or tunneling to another IOS router. No examples using an IOS based router as the client.
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May 29, 2012
We have one Router Cisco 2801 at the customer site and facing issue of having very High CPU coming to 99%.CPU utilization for five seconds: 99%/28%; one minute: 99%; five minutes: 98%
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Oct 31, 2012
I am trying to run the following commands on a 2801 router, but the commands are missing:
mls qos
mls qos map cos-dscp 0 8 16 40 32 46 48 56
The only QoS command i have in global config is (no MLS qos) :
REMOTE-ROUTER1(config)#qos ?
restore-show-output Restore old show output
shape-timer Set the HQF shape timer interval
The router is running IOS:
System image file is "flash:c2801-ipbasek9-mz.151-4.M5.bin"
Am i just running the incorrect IOS or am i missing somehting, i need to change the QoS Map for my Nortel VoIP. The VoIP phones connect to a 3750 PoE which used to conenct to a 2651XM to route VoIP and data traffic over the same copper pairs (WAN link to hub site) hence the need for a Service policy but being Nortel phones, require changing the cos-dscp map. the 2801 is going to replace the 2651XM using a new HWIC.
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Mar 26, 2011
I have a FWSM in my 6509, this firewall is managing three VLANs, one of which holds a file server. As you all know, FWSM do not support VPN like the ASAs and PIXs do. I have been trying to add remote access to this file server LAN all week. The only VPN device i have is a 2801 router.
first layout: VPN router behind FWSMstatic translation from FWSM LAN (private) to VPN WAN (public)default route was facing back at FWSMip address pool was to be NAT'd on the interface facing the FWSM the idea was that my VPN address pool would be NAT'd back to the FWSM on it's VLAN. since the FWSM was managing this VLAN and recognized the source IP of the translated address pool, i would have access to my precious file server.
second layout: VPN router fa 0/1 on a /30 with 6509 (public)VPN router fa 0/0 still on the same LAN as FWSM (private)address pool for VPN once again NAT'd to fa 0/0default route pointed to fa 0/1static route of FWSM LAN pointed to fa 0/0 this idea was to have more of a 'inside' and 'outside' interface on the VPN router. this too did not work, having used every trick in the book, i could still not ping anything on the FWSM LAN while VPN'd in the network (aside from the LAN interface on my router)
trace route was showing that the all routes were headed out fa 0/1 (default route) and all to my FWSM died. i really don't think my address pool is being NAT'd, though my route map statement applied to the NAT policy is permitting my VPN address pool.
I am new to VPN technology, one of those things that happened to land on my lap. how this layout could work? there are no good VPN Remote access walkthroughs for a situation like this (2801 allowing access to a FWSM controlled LAN)
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Apr 23, 2011
i have configured remote access vpn on my 2801 router's gio0/0 int ip x.x.x.1. i connected my laptop through vpn client from internet. i connected successfully and my vpn router gives me the assigned ip block y.y.y.1. from my laptop i can ping the other int gio/1 ip z.z.z.1 but i cant ping the ip z.z.z.2 of my core sw which is connected on router's int gi0/1.
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Jul 31, 2011
The application here is a wind power project, built in two phases, without any effort to coordinate or integrate the two sites during the design phase. All operations activities for both phases are performed by one staff out of a common location. This is a rural area and Internet connectivity is mission critical due to contractual obligation with Electrical Utilities.
The client has a need to reconfigure a network which has grown over time in a layer by layer approach, whereas at every point in time that an additional T-1 or other changes occurred to address a specific need, no thought was ever put into integrating the entire site as a whole. It is at best a dysfunctional solution which somewhat accomplishes thier needs, and at worst, a kludgy, grossly security compromised, and difficult to use infrastructure. There is every kind of equipment one can imagine, each installed by some entity providing needed services on the site, but forced to make uninformed decisions because the client really has no IT department to coordinate with. Over time, every vendor just provided their own switch, router, or maybe figured out how to reconfigure another existing device to also provide the routing or access needed, To say the least, it's a mess.
The client requests a solution which provides a means to accomodate 6 internet connections (4 T-1 lines, and 2 satellite) in a manner which aggregates available bandwith and provides redundancy. The T-1 lines will be the main internet access, with the satellite connections only used if available bandwidth falls below some threshold, say 3Mb. There are many internal networks which need to be routed to and between, in total, about 20 subnets. There are 2 SCADA (Control) networks which have a mandatory requirement of 1Mb each, a VoIP system which does not use any internet connetivity as there are 6 POTS lines dedicated to it, an internal office LAN and a turbine manufacturers site LAN.
The T-1 lines, at 1.5Mb x 4 = 6Mb.
The 2 SCADA networks require a guaranteed 1Mb each, the remaining 4Mb is to be allocated between the office LAN and the turbine manufacturer site LAN. The satellite connection are only to be active in the event bandwidth falls below 3Mb.
There are 2 Cisco 2801 routers on site which could be reutilized if appropriate. Each T-1 has it's own Adtran CSU with Ethernet out. All T-1 lines are /29 IP Blocks. 2 of the T-1 lines are adjacent IP Blocks, for what its worth.
Everything here is open to reconfiguration. The client wants this finally integrated correctly with the ability to address emerging Electrical Utility cybersecurity requirements in the immediate future.
An ideal solution would be fully redundant to eliminate the single point of failure at the edge router. As to whether there needs to be separate edge and interior routers, I just don't know that. I would guess everything could be done with just a pair of redundant routers at the edge, but perhaps it is better to do the interior routing between subnets on a different router(s).
Again, the goal is a well integrated, redundant, and secure solution. My part is mostly complete, with the OSP part of the network finally at 100% after 5 years of stupid and careless misconfigurations and bad fiber splicing (by others).
I'm absolutely covered up in business at Layer 1 & 2 on these sites, as the physical plant and associated network elements are typically very poorly designed, specified, and implemented. The complexity of this job leads me to seek outside advice and ultimately a more qualified Cisco professional than me. I'm experienced enough with Cisco to know when I'm in over my head. I know a diagram would be nice, but at this point I've only got a very detailed diagram which reveals too much site identity information to make public. I'll wait to see a few comments and in the meantime work on removing site identity info so I can post a good diagram for everyone to see.
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Dec 28, 2010
I just discovered that my wireless download speeds are 5Mbps, compared to 16Mbps if my laptop is connected directly to the modem or wired through the router. Uploads are 2Mbps either way. I have a WRT54GS v.6 with firmware version v1.52.8 which I updated today, completed by setting factory default through the router webpage after I discovered this discrepancy. The firmware update did not improve the download speed appreciably, if at all.Should the wireless connection be that much slower than the wired connection through the router? If not, what sort of issues could I be having to account for this?
I did just replace my modem when I discovered I was having erratic speedtests and that corrected that problem. That is when I became aware of the wireless issue, so not sure how long that has been the case. I have Charter's 16/2 HSI, living in a sparsely populated area with solid internet service. There is no external nor internal interference on this 2.4Ghz band.
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Nov 6, 2011
I have a Arris DLS with 12 Mbps Download and when I Connect my laptop directly I get the same speed as 12 Mbps but when I do the speed test with my linksys I get only 5 Mbps. How to upgrade to the new WRT54GL or WRT54GS?
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Jan 11, 2011
Recently my desktop has experienced very slow download speeds (~0.11 Mbps), however the upload speed appears to be in line (~2.0Mbps). These numbers are taken from Comcast's speed test (my ISP). It is obviously a problem with my PC because everything else on the network (PS3, Laptop) have great signals with no problems. I just recently reverted the Desktop back to its factory state, and everything was working fine for a couple of months. The desktop in question uses Vista 32-bit and the Belkin Basic USB Wireless Adapter.
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Mar 9, 2012
I am using Linksys wirelless G router, will my wired speed on desktop increase when I change to a wirelless N router for laptop and ethernet for wired desk top? I don't need anymore wireless speed but am wondering if I upgrade will my wired desktop pick up more speed.
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Jan 24, 2013
On board NIC: Intel 82579V Gigabit Network Controller (asus sabertooth x79 motherboard)I installed the drivers for it from intel's site.f I set link speed to auto (chooses 100mbps full duplex) or 100mbps full or half duplex, any HTTP downloads get slowed to a crawl (30kbps) (steam downloads remain at normal speeds). If I set it to 10mbps full duplex, download speeds jump to normal (500kbps for most HTTP sources)his happens on just this new computer (wired connection), any other computers on the network (wireless) work just fine
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Mar 17, 2011
I live in the tampa bay area, I have bright house (BHN) as my service provider, which provides a Road Runner Lightning (40/5) package. I previously used BHN's top tier (20/2) back in July (and prior) with no problems.
After converting to Lightning in August of this year (2010). Of course, BHN (and every other provider) wants to force a modem/router down your throat, so I had them bridge it (in short, turn it into a dummy modem with no routing). I had an SMC branded modem gateway at the time. I work from home 2 days a week (so I can spend more time with my kids during morning, lunch, right after work) and this requires me to use QoS to ensure my VOIP work calls don't get dropped, if the family is watching youtube videos or watching netflex.
My network was as follows SMC Modem >WAN IP>>WAN Port>>D-link DIR-655>>Switch Ports>PC1, PC2, PC3
Everything seemed fine (from a usability stand point) till about 2 weeks ago when my upload speed seemed to grind to halt. Normally I was able to upload about 200-300K per second, and I noticed this dropped to about 45K per second during a drop box upload. First thing I did was power cycle both my modem and router (in the proper/usual order). After they both come up, I start using speed test to find out what my upload speeds were. I was getting about 39Mbps down, but only .56Mbps up still. I factory reset my router.... test, similar speeds. Power cycle all computers (just in case), and then modem/router. Tested, similar speeds. Updated the firmware to the latest. Same issue
Called BHN customer service, they factor reset it, but it wasn't in bridge mode. If I by passed the 655, in factory mode (non bridge mode) upload speeds returned to better than expected states. If I bridged the cable modem, upload speeds seemed to crash.
Had BHN replace the modem, seemed fixed for a day, then issue came back. Had them come back out and replace it again, this time with a Motorolla Surfboard modem... same issue. Fine during factory reset, however after they bridge the modem, upload speeds were fine. Told BHN I would take it from there.. Connected up the DIR-655, and upload speeds crashed again. (.6Mbps). Called D-Link Support, and the Chinese English speaking rep seemed to not be listening to me and tried to have me adjust my MTU as well as Wireless settings. Long story short... the rep was a level 0 id10t and I hope D-link will consider hiring better employees/contractors. So I was all about to give up and replace it with a DD-WRT capable router (which it takes me a lot to want to swap hardware), when I discovered the wan shaping was on. Which I thought to myself... nah... QoS has never messed up before... why would it be the cause. Turned off wan shapping... and voila. Issue seemed to be insta-resolved.
Unsatisfied with that... I decided to dig a lil deeper. I turned on Wan shaping again, but decided to set the settings manually instead of auto detect.
Here are the settings I used... (Advanced Tab>QoS)
Enable Traffic Shaping - Checked
Automatic Uplink Speed - Unchecked
Manual Uplink Speed - 5000
Connection Type: Cable or Other Broadand Network
Enable QoS Engine - Checked Automatic Classification - unchecked (this checked seemed to affect my upload speed by about 5-10% during testing) Dynamic Fragmentation - unchecked (this checked seemed to be the worse enemy for upload speed)
While I know I'm not any network guru (still have to use a subnet calculator for subnetting), I think I did a pretty good job drilling down the issue (once I got passed my service provider replacing modems).
Anyways, I've had overall good luck with D-Link products, even have a 5 port 10/100 switch (all metal) from 1998 that works great. Hopefully, D-Link will just either put more documentation on the web, or hire better employees.
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Dec 19, 2012
Someone told me the commands, but I can't remember them. Have a router (2801) at the end of a highly utilized T1 link/router. How do I protect it so my SSH and/or Telnet sessions will get serviced if the router is real busy.
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Apr 20, 2012
1- Cisco Router
Eth0/0 : Ip address 192.168.1.1 /24 == connected my laptop of 192.168.1.2
/1: Ip address : 192.168.2.1 /24 = connected cisco swith
2 - Cisco Switch
VLAN 2 Name : Sales : ip address 192.168.3. 1 = connected computer 192.168.3.2
VLAN 3 Name : Marketing : ip addres 192.168.4.1 = connected computer 192.168.4.2
So I want my laptop that connected the router Eth0/0 Interface should access both VLAN 2 and VLAN 3 computers
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Oct 3, 2011
I've been looking and I can really find much info about this, I got a 1841 and 2801 router with ADSL WIC cards and both are synching really low compared to my cheap home router
This leads me to believe I need a firmware update so I got the adsl_alc_20190.bin and loaded it into flash and reloaded my router but its still saying my firmware is using an embedded one.
sh flash:-#- --length-- -----date/time------ path1 1000636 Oct 4 2011 05:59:54 +00:00 adsl_alc_20190.bin
sh dsl interface atm0/1/0ATM0/1/0Alcatel 20166/20174 chipset information ATU-R
[Code].....
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Dec 6, 2010
I have a nat and vpn setup on my Cisco 2801 router.Everything is working as expected except the NAT. I have a single static nat translation but it only works for inbound and not outbound. Going outbound, it uses the default overload nat address of the outside interface. [code] I want to add another mailserver. But I fear if one mailserver were to get black-listed, they would both be reporting there ip address as the same address (the one on the ethernet interface) which would blacklist both mail servers.Again, inbound nat works ok, but outbound is just using the IP of the ethernet0/0 address.
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