Smaller than a /24 for BGP?

Jon Lewis jlewis at
Tue Jan 24 19:29:52 UTC 2023

On Tue, 24 Jan 2023, William Herrin wrote:

> On Tue, Jan 24, 2023 at 11:04 AM Jon Lewis <jlewis at> wrote:
>> The "other problem" is, every day more gear receiving full routes gets
>> closer to (or farther past) the point where the resources to hold either
>> the FIB or RIB just aren't there.  For those using these devices, lowering
>> the bar and bringing in another 100k or so routes in short order just
>> isn't an option.
> Yeah, but in another couple years we'll breach the 1M mark and
> everybody will have fresh routers with lots of TCAM for a while. If
> that were the only issue, it'd be a matter of timing the change well.

Everybody will need them.  Not all will get (or be able to get) them.

  Jon Lewis, MCP :)           |  I route
  StackPath, Sr. Neteng       |  therefore you are
_________ for PGP public key_________

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