[c-nsp] ASR as BGP Route Server
Nick Hilliard
nick at foobar.org
Tue Jan 24 05:48:28 EST 2012
On 23/01/2012 22:12, Piotr Wojciechowski wrote:
> software redundancy. Not to mention good price to performance ratio
> especially if you are planning to deploy ASR1001 which performance can
> be upgraded using license while your network is growing. Table size
> depends on how much DRAM you put in it.
This is not quite true. The ASR1001 has a FIB limit of 512k ipv4 prefixes
(non upgradable). However, if you're using the ASR1001 purely as a route
server you don't need to install all prefixes in the FIB. You can signal
this by using the "table-map <route-map-name> filter" command, which stops
rib->fib export and speeds up RR operation in the process.
Nick
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