Here are some links I found helpful on buffer tuning: watch the wrap
http://www.cisco.com/en/US/partner/products/hw/modules/ps2643/products_tech_not e09186a0080093fc5.shtml http://www.cisco.com/en/US/partner/products/hw/routers/ps359/products_tech_note 09186a00800a7b80.shtml At the bottom of this page, there's several other links with more info. Debbie On Tue, 5 Nov 2002, Mr Joshua wrote: > Does anybody know of a good white paper on buffer tuning? I have read a > couple of generic ones on Cisco's website, yet they are not > good enough to satisfy what I need to know. Called TAC - not a whole > lot of help this time! As you can see, there are a lot of misses on > medium and middle buffers. I also see that total and permanent are > not allocated. I know the general CCNP level of what those mean and > commands to adjust them, but does anybody know this - the second line > of output says that there are 500 max allowed. Does that mean that > I need to break this number down into public buffer pool? Does that mean > that the cumulative sum of all public pools can't be more than 500? (as you > can see, the big buffers are 500). Does anybody know of a GOOD paper that > gives examples of buffer tuning? Sorry if those are stupid questions. > > here is the output: > > Buffer elements: > 499 in free list (500 max allowed) > 898918875 hits, 0 misses, 0 created > > Public buffer pools: > Small buffers, 104 bytes (total 73, permanent 50, peak 1501 @ 7w0d): > 72 in free list (20 min, 150 max allowed) > 609248534 hits, 201320 misses, 121659 trims, 121682 created > 86630 failures (0 no memory) > Medium buffers, 256 bytes (total 0, permanent 0, peak 123 @ 4d08h): > 0 in free list (0 min, 0 max allowed) > 705511 hits, 140644897 misses, 1414484 trims, 1414484 created > 139937655 failures (0 no memory) > Middle buffers, 600 bytes (total 150, permanent 25, peak 555 @ 7w0d): > 149 in free list (10 min, 150 max allowed) > 185320811 hits, 4615702 misses, 167032 trims, 167157 created > 4439672 failures (0 no memory) > Big buffers, 1524 bytes (total 500, permanent 500, peak 595 @ 7w0d): > 500 in free list (5 min, 500 max allowed) > 41418467 hits, 3577401 misses, 39229 trims, 39229 created > 3540388 failures (0 no memory) > VeryBig buffers, 4520 bytes (total 10, permanent 10, peak 20 @ 7w0d): > 10 in free list (0 min, 100 max allowed) > 1006090 hits, 3524469 misses, 22 trims, 22 created > 3524458 failures (0 no memory) > Large buffers, 5024 bytes (total 0, permanent 0): > 0 in free list (0 min, 10 max allowed) > 0 hits, 3524458 misses, 0 trims, 0 created > 3524458 failures (0 no memory) > Huge buffers, 18024 bytes (total 2, permanent 0, peak 2 @ 7w0d): > 2 in free list (0 min, 4 max allowed) > 4580 hits, 3522061 misses, 120 trims, 122 created > 3522000 failures (0 no memory) Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=56940&t=56891 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
