3 Jun
2001
3 Jun
'01
12:40 a.m.
i gave up on per-customer interface accounting, didn't scale for me.
Thats a very bold statement. A what point (what metric?) did you feel that this method didn't scale? NAC is no super-duper tier-1 (I had to throw that in), but we do monitor
1400 interfaces every 5 minutes, 100 or so at more than 105 mb/s (that magic number for 32 bit counter rollover in 5 minutes, and yes, we use 64 bit counters), shove them all in a nice SQL table, and we've not seen any reason for non-scalibilty, at least for a while (at least 5000 more interfaces before will have to rewrite the collection engine).
we've since moved to cisco, and, well, now i have cache flow stats which are parsed into customer subnets.
Eeek. Relying on flow-stats? Yikes.