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1921 router for home?

post #1 of 28
Thread Starter 
I have a horribly strong desire to put a Cisco 1921/sec router on my home network.

What do you think? Overkill, not overkill?

I have a 50meg/10meg docsis3 cable subscription. I will be using Ethernet for wan interface and I also have a 24 port 2960g switch so I don't need any whics. I'm just tired of low end consumer grade equip in my home network.

I know how to use a Cisco router all day long. Im just wanting reinforcement of opinions.
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post #2 of 28
What features are you hoping to gain?

Sounds like a waste of cash personally unless you plan on using specific features like making it a voice gateway or IPsec endpoint. Some features you lose from going to enterprise equipment such as UPnP.
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post #3 of 28
Thread Starter 
Hmm

I will be using ios firewall, Vpn, and qos of certain services such as Skype and various servers. I also want to use it to study more towards ccnp.

I don't like upnp because I feel you should always have control of your firewall not bit torrent and other apps. Plus I own a business and I have lots of financial and customer information I want to safeguard.
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post #4 of 28
Is that why you own a 2960G for home use? Cricky, I'm happy with my 16 port TPlink dumb switch at home. I don't care about vlans when it's only 7 devices.
post #5 of 28
Any reason you would consider that over something like an ASA?
For the price of a 1921 you can get a 5505 with a security plus license.
Edited by beers - 4/18/12 at 6:22am
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post #6 of 28
Would the 1921 be able to handle the LAN - WAN throughput especially the possibility of DOCSIS 3 going to 100 megabits +


nvm it can take up to 2.7 gigabits.
http://www.anticisco.ru/pubs/ISR_G2_Perfomance.pdf
Edited by linkinparkfan007 - 4/18/12 at 6:47am
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post #7 of 28
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post #8 of 28
Thread Starter 

Well that PDF doesn't even have the router listed. But the 1941 can do 153mbps which is a lot. I can't seem to find what the 1921 can do. I can't imagine it being slow. A 4 ye old Ada 5505 I manage hits 90+ on Comcast business services. And apparently a 1921 is even more powerful on the hardware level.

I already own a sec plus asa also but I have to deploy it in the field not at home.

Can some one help me find the wan throughput on the 1921 sec router?
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post #9 of 28

Money, thats one of the documents I used to use when selecting routers for customers. As you enable services beyond routing your going to see a decrease in routing performance basically. 50 is on the high end imo. I would not personally recommend that if you want to use services and be able to route at the maximum speed you have available to you. I would probably look into a 2900 instead, especially if you think your needs will grow. Wether or not its worth it for you at home, dunno.. Keep in mind, the figures in the performance document MUST be divided by 4 for a real world figure. 2 for full duplex and 2 real world performance and not special settings they use for testing.
Edited by Mr.N00bLaR - 4/18/12 at 7:40am
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post #10 of 28
Thread Starter 
Why does this not effect ASA's the same? It would appear that ASA, while limited to specific routing over ethernet only protocols, there is virtually no slowdown.

I also am curious why such a high end, in their words, i.e. multicore, 512MB ram, etc... this router has to be so slow with services enabled such as VPN etc...

I was starting to think that the for the price of about $85o'ish after rebates the 1921 was looking like a real PROHOME/SMB router. Especially since Cisco offers a Docsis 2.0 modem card for this router and I am sure knowing Cisco a 3.0 isn't far away.

In other words the router without any services might be capable of running 150mbps throughput but as soon as I activate IOS firewall and say a VPN I can expect about 15-20mbps max? How can they sell these things with such a blatant drop in performance?

I mean honestly T1 is going the way of the dinosaurs and they are still fully making routers capable of only t1?? This is confusing the hell out of me.
Edited by Tangoseal - 4/18/12 at 9:26am
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