[alcatel-nsp] default network-queue policy

Ruslan Pustovoitov rus-p at mostelekom.net
Fri Feb 25 02:34:47 EST 2011


Hi, Bryan

1. This is the egress queue policy trerefore multipoint queues are not 
applicable.
Pool Resv value does not equal the sum of CBS because it allocate from 
physical memory with chunks.

2. No. When in-profile datagram arrives, it will contend with other 
queue' traffic for shared pool.
HPO garantee drop out-of-profile datagram only.


Bryan пишет:
> Hello,
>
> I have a few question on the output below, maybe someone can clarify.
>
> 1) If you add up the CBS values of the 8 queues, they total 6192 KB.
> But in the output below you see 6336 KB as the "Pool Resv" value. What
> happened to the other 144? I was thinking about the multipoint queues,
> but if you take that into consideration it pushes the value over 6336.
>
> 2) The largest MBS value is 7104 and the HPOnly value is 768 which
> adds up to 7872. This value is the "Pool Shared" number. However I
> thought HPOnly was a percentage of MBS and that the MBS-CBS should
> equal the "Pool Shared" value. Is the fact these numbers match merely
> a coincidence or am I missing something?
>
> ###show pools 1/1/1 network-egress
>
> ===============================================================================
> Pool Information
> ===============================================================================
> Port                 : 1/1/1
> Application          : Net-Egr           Pool Name          : default
> Resv CBS             : Sum
> -------------------------------------------------------------------------------
> Queue-Groups
> -------------------------------------------------------------------------------
> -------------------------------------------------------------------------------
> Utilization                   State       Start-Avg    Max-Avg    Max-Prob
> -------------------------------------------------------------------------------
> High-Slope                    Down              70%        90%         80%
> Low-Slope                     Down              50%        75%         80%
>
> Time Avg Factor      : 7
> Pool Total           : 14208 KB
> Pool Shared          : 7872 KB           Pool Resv          : 6336 KB
>
> Pool Total In Use    : 0 KB
> Pool Shared In Use   : 0 KB              Pool Resv In Use   : 0 KB
> WA Shared In Use     : 0 KB
>
> Hi-Slope Drop Prob   : 0                 Lo-Slope Drop Prob : 0
> -------------------------------------------------------------------------------
> FC-Maps                         ID       MBS        HPOnly    A.CIR     A.PIR
>  Q-Grp                          Q-Id     CBS        Depth     O.CIR     O.PIR
> -------------------------------------------------------------------------------
> be                              1/1/1    7104 KB   768 KB   0         1000000
>                                 1        144 KB    0        0         Max
> l2                              1/1/1    7104 KB   768 KB   250000    1000000
>                                 2        432 KB    0        250000    Max
> af                              1/1/1    7104 KB   768 KB   250000    1000000
>                                 3        1440 KB   0        250000    Max
> l1                              1/1/1    3552 KB   384 KB   250000    1000000
>                                 4        432 KB    0        250000    Max
> h2                              1/1/1    7104 KB   768 KB   1000000   1000000
>                                 5        1440 KB   0        Max       Max
> ef                              1/1/1    7104 KB   768 KB   1000000   1000000
>                                 6        1440 KB   0        Max       Max
> h1                              1/1/1    3552 KB   384 KB   100000    1000000
>                                 7        432 KB    0        100000    Max
> nc                              1/1/1    3552 KB   384 KB   100000    1000000
>                                 8        432 KB    0        100000    Max
> ===============================================================================
>
> Thanks,
>
> Bryan
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