Merit Network
Can't find what you're looking for? Search the Mail Archives.
  About Merit   Services   Network   Resources & Support   Network Research   News   Events   Home

Discussion Communities: Merit Network Email List Archives

North American Network Operators Group

Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

Re: CIDR Aggregation Tool

  • From: Avi Freedman
  • Date: Mon Nov 27 13:51:44 1995

[Please take any other responses just to cidrd.  This is copied to big-inet
 and nanog so people will see the followup request.  I just wanted the 
 announcement to go out maximally, but the details and responses are of
 no interet to nanog as a whole...]

> > Our route table has:
> > *> 198.111.252.0    192.41.177.145        <--- agis
> > *> 198.111.252.0/22 192.41.177.181        <--- mci
> > *> 198.111.253.0    192.41.177.145        <--- agis
> > *> 198.111.255.0    192.41.177.145        <--- agis
> 
> This isn't what agis is supposed to be announcing, I'll have to 
> ask them again to announce 198.111.252/22.  There's a couple less
> routes already :-).
> 
> Once that is fixed, further aggregation of 198.111.252.0 (say into 
> 198.111/16, as a non real example) would change our routing (in 
> ways we don't want it changed), even with your "next hop the same" 
> criteria because of the additional meaning that specifics have in 
> terms of priority.

Well, we only see 198.111.252, 253, and 255 from AGIS, so there's no
danger of AGIS over-aggregating even if they combined 252 & 253...

> I agree that your tool is usefull in identifying _potential_ savings.

That's all it's for.

Avi





Discussion Communities


About Merit | Services | Network | Resources & Support | Network Research
News | Events | Contact | Site Map | Merit Network Home


Merit Network, Inc.