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jackwisp
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Border router, looking for hardware

Thu Nov 18, 2010 4:49 pm

I need to upgrade my border router to meet my actual an future traffic, take in care this scenario:

1. Up to 40mbps of traffic (30mbps downstream / 10mbps upstream)
2. About 50 mangle rules in layer 3 and 4.
3. A few layer 7 packet taggin, with regular expresions.
4. Queue tree, traffic priorization.
5. OSPF for a small network.

What hardware apply for this specs?
I don't wan't to use a regular PC with routeros.

Regards,
Jack.
 
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roadrunner
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Re: Border router, looking for hardware

Sat Nov 20, 2010 12:33 am

You should be able to get away with a faster 400 series RouterBoard. Look at the routerboards: rb450G, rb493AH or rb493G. These have plenty of RAM for any size of OSPF network, and enough CPU to handle your rules & packet rate.

The rb1100 would be needed if you were planning on getting a full BGP routing table from your upstream ISP. The rb1100 (or rb1000) would also give you more CPU capacity for more rules and queues.
 
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jackwisp
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Re: Border router, looking for hardware

Sat Nov 20, 2010 3:33 am

Actually i'm using an rb450g with 80% cpu load.
 
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roadrunner
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Re: Border router, looking for hardware

Sat Nov 20, 2010 7:05 pm

Sorry for recommending an invalid solution; I rarely do that many Layer 7 rules, and when I do they are on my x86 PC routers instead. If your current rules and packet rate (pps uses more CPU than mbps) is using 80% on the faster rb450G, then a rb1100 would be a better fit for you.

Actually it looks like the rb800/rb1100 (and rb1000 if you can find it) are your only upgrade options if you don't want a PC based router. If you find you don't get enough speed from the new router (or want to keep your rb450g), then you would need to optimize your filtering rules & queues to be simpler and less demanding on the CPU.
 
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jackwisp
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Re: Border router, looking for hardware

Mon Nov 22, 2010 10:06 pm

Thank you for your reply.
Finally I decided to use an x86 based solution with flash disk.
Bye.

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