Cisco WAN :: 891 Can Handle 50Mbps Up / Down
May 8, 2013
I have a ISR 891 (no-wifi) router that I have been using on a 20Mbps x 20Mbps fiber circuit. It was been performing just fine. I am upgrading the curcuit to 50Mbps x 50Mbps soon, and I wanted to check if this router can handle that much load.
I don't do anything fancy with the router, just plain old routing (I have a firewall behind it).
Do you think the 891 can handle 50Mbps up/down, and if not what would you recommend for this new setup of 50x50Mbps.
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Feb 21, 2012
I have a E3000 router (wireless N and gigabit ports) and a 50mbps download/8mbps upload Internet connection with machines attached directly to the ethernet ports on the E3000 I can get full speed 50mbps download doing speedtest
now I have a cisco WRVS4400N connected to the E3000s etherenet port going to the WAN port of the WRS4400N.
I'm able to get intnet access on my device/computers fine. Problem is that when I did a speed test from devices attached to the Cisco WRS4400N router my max download speed is only 26mbps out of the 50mbps (it's not network congestion as I did the same test from devices attached to the E3000 and I can get full 50mbps)
Is there any setting on the WRVS4400N that might speed things along? or is the WAN port maxing out the download speed at 26mbps?
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Jan 22, 2013
So lately my internet has been painstakingly slow, Youtube videos dont load, Web Pages take FOREVER, its killing me. So I ran some speed tests This is wireless over my router. (WRT300N (Yes i know its old))
And this is direct connetion from my modem this really just makes me want to never use the internet again.
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Jun 5, 2011
I have read that the cisco 1841 can handle up to 100 VPN tunnels by default. Can this IOS version handle SSL VPN tunnels as well?
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Aug 3, 2011
I am trying to set up a VPN between my Cisco 867w device and the Amazon EC2 VPC solution. Amazon have stated that the Cisco ISR routers of IOS 12.4t and above should work, but when trying to input the config generated form the Amazon system into the router, the BGP config lines are not recognised. Does this router support BGP?
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Nov 25, 2011
Our IPS has given us a second range of IPs as we were running out. Unfortunately, they can only give us two non overlapping range. I am running two ASA 5520 in fail over to handle our traffic but I don't know the best way to use both external ranges. This is not a failover scenario -- and I need outward facing servers on both ranges. It is adventageous to us to keep the two external subnets separating two of our operations so we don't want to bring everything into one subnet (long story).I have one NIC designated outside that will need to cater for both wans. As there are two subnet there are two gateways. How do I keep the traffic on track?
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Jul 17, 2012
how many clients simultaneously associate with Cisco AP 1252G.. right now when I try to connect more thn 25 rest unable to access the AP. Clients (smart phones plus laptops) are using 802.11b/g standard.
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Apr 5, 2013
I was wondering how this would work if your hard drive can't write at 1Gbps. How exactly would this work? Like mine only goes 35.03MBps which isn't even half a Gb per second.
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Mar 24, 2011
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Jan 6, 2011
to the above question. I see the specs for the WS-SUP720-3B and 3BXL but not the WS-SUP720-BASE with the MSFC3 and PFC3A daughter cards.The 3B can handle 256,000 routes using IPv4 and the 3BXL can do 1,000,000.
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Apr 28, 2009
This is only a small portion of our network but my question is, can these 1841 routers handle a 45Meg connection? I thought these routers were designed for T1/E1 type speeds. I know I saw a router performance document somewhere that showed 1841's could handle 38.4MB of traffic and that is only with routing turned on. If anything else is enabled, like access lists, NetFlow or whatever, that number will decrease because of the capacity of the router. Am I correct in these statements? Any document or anything else that shows performance of these routers?
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Apr 8, 2013
We have a problem with NLB on a SG500-28P which is a major issue for us.
I am investigating a problem together with Microsoft Support about a download/upload performance issue with a Microsoft Forefront TMG array which is connected to a single SG300-28P. Àpparently this issue exist on every NLB array we implement. I am now at the point we asume the SG500-28P does not handle NLB in unicast mode very well.
We have a network topology as shown below:Please note the actual public IP Addresses are hidden and the internal IP Addresses are diffrent, for security reasons.
Our SG500-28P is configure in L3 mode. It hosts three subnets you see above. The two TMG servers are configured with NLB (in unicast mode) on the Internal Network and External Network interface. It is connected to the internet and our internal network. These TMG Servers are in fact Edge Servers. Our other servers and client are in a different VLAN. The default gateway flows through this NLB Cluster [10.250.0.254].
Problem: When a client uses its default to connect to the internet the performance is very and very slow. With an internet connection of 10/10 we get 10/2. With an internet connection 100/100 we only get 7/1!.
Now we have tried everyting we can imagine. I can't write down all, because that would be a lot. One thing is worth notice; When we move the client to the same VLAN as the NLB Cluster and the client uses 10.250.0.1 as its default gateway, the problem still exists. But... when the client uses 10.250.0.254 as its default gateway the performance is outstanding 95/95! Apparently if traffic for the NLB Cluster is routed through the SG300-28P the performance drops like a rock.
I have never seen this before with SG300 series switches, although this environment is different. Normally I would configure NLB in multicast mode. But the switch does not allow to add static ARP entries for multicast MAC Addresses.I know NLB in unicast mode introduces switch flooding and such. But why does the SG500 not handle this right? Is there anything I can do about it?
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Sep 27, 2012
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i am gonna using Peplink Manage 580 which support 5 WAN ports.because my country ISP just provide max 20Mbps internet service to business. that's why i want a load balancer that support 5 WAN ports.i plan to use 5 line which is 20Mbps each and connect to the 5 WAN ports.after connect to Peplink balancer, there is only 1 Gigabit LAN port to let me to connect to the switch.
And i need a at least 40 port of switch which all the 40 LAN cable will connect to TP-link AP.mean that all my client is using WIFI to access to the network. And i don't have much knowledge about networking, so i wish to use and unmanaged switch which able to handle 400-700 clients.any plug and play unmanaged network switch (at least 40 port) introduce?
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[URL]
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