[c-nsp] User Based Rate Limiting in PFC3BXL + Netflow Data Export

Peter Salanki peter.salanki at bahnhof.net
Thu Jan 4 19:37:33 EST 2007


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Great, now the box reloaded as CSCsa89970. After it came up again,  
URBL seems to have stopped working:


Looks correct:
#sh mls qos ip
QoS Summary [IPv4]:      (* - shared aggregates, Mod - switch module)

       Int Mod Dir  Class-map DSCP  Agg  Trust Fl   AgForward-By    
AgPoliced-By
                                    Id         Id
- ------------------------------------------------------------------------ 
- -------
Gi1/4.857  5  In class-defa    0    1   dscp  0     
45769153912              0
    Po1.551  5  In  allt-urbl    0    0*  dscp  1    
435697302780              0

        All  5   -    Default    0    0*    No  0    
435697302780              0



Looks horribly wrong:

c6500-sundsvall#sh mls netflow ip
Displaying Netflow entries in Supervisor Earl
DstIP           SrcIP           Prot:SrcPort:DstPort  Src i/ 
f          :AdjPtr
- ------------------------------------------------------------------------ 
- -----
Pkts         Bytes         Age   LastSeen  Attributes
- ---------------------------------------------------
0.0.0.0         0.0.0.0         0   :0      :0         
- --               :0x0
36768        30150405      0     01:36:37   L3 - Dynamic

Before the reboot, the sh mls netflow ip command showed me all active  
source-addresses. Any ideas? Thanks :/


4 jan 2007 kl. 22.14 skrev Ian Cox:

> At 09:23 PM 1/4/2007 +0100, Peter Salanki wrote:
>> Thanks for the quick answare. Is this something that will be fixed  
>> in the future, or is the limitation in pfc hardware?
>
> In theory I think what can occur is you could run NDE on one  
> interface, and user based rate limiting on interfaces running NDE.  
> When per interface NDE gets shipped you may be able to do this,  
> that should be coming in the next major releases on 6500 and 7600.  
> I don't have a development release of this booted on nay of my  
> systems to try out if this is true.
>
>
> Ian

Sincerely

Peter Salanki
Chief Network Engineer
Bahnhof AB (AS8473)
www.bahnhof.se
Office: +46855577132
Cell: +46709174932


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