Internet Edge Router replacement - IPv6 route table sizeconsiderations

Joel Jaeggli joelja at bogus.com
Wed Mar 9 00:31:02 CST 2011


On 3/8/11 10:12 PM, Frank Bulk wrote:
> That's 1M IPv4 routes, IIRC.  Put IPv6 into the mix and that 1M quickly
> shrinks.

<snip>

>>     I am researching possible replacements for our Internet edge
>> routers, and wanted to see what people could recommend for a smaller
>> chassis or fixed router that can handle current IPv4 routes and
>> transition into IPv6.  Currently we have Brocade NetIron 4802s pulling
>> full IPv4 routes plus a default route.  I've looked at Extreme,
>> Brocade, Cisco, and a few others.  Most range from 256k - 500k IPv4
> and
>> 4k - 16k IPv6 routes when CAM space is allocated for both.  The only
>> exception I've found so far is the Cisco ASR 1002, which can do 125k
> v6
>> along with 500k v4 routes at once.  I'm curious if any other vendors
>> have comparable products.
>>

Mx80 Doesn't use CAM for route lookups and the actual number of routes
is 72MB of RLDRAM holds will vary based on the distribution of sizes but
it's north of 2 Million ipv4 routes.

> The NetIron XMR will get you 1,000,000 routes.
> 
> 
> 
> 





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