[j-nsp] TCAM full on EX8200?

Michele Bergonzoni bergonz at labs.it
Thu Oct 13 08:19:40 EDT 2011


Il 13/10/2011 13.31, Chen Jiang ha scritto:
> AFAIK, The EX8200 use SRAM for FIB and TCAM for ACL, that's not like
> EX2200/3200/4200 that use TCAM for all FIB and ACL.

> You could vty to line card and try this knob and see what happened:
> PFEM2(vty)# show shim route lpm-dmm-stats

Not sure to understand how something can switch data at that speed using 
SRAM as a FIB, but it's consistent with my TCAM appearing almost empty.

Anyway, here's the output:


PFEM2(vty)# show shim route lpm-dmm-stats

IPV4
-----

ShadowIdx: 0    Partition: 0

numOfUsedBlocks          : 2077            numOfAllocatedBytes      : 48216
numOfFreeBytes           : 2046640         numOfPickAllocatedBytes  : 48380
numOfPickAllBlocks       : 2370

ShadowIdx: 0    Partition: 1

numOfUsedBlocks          : 320             numOfAllocatedBytes      : 667884
numOfFreeBytes           : 1427132         numOfPickAllocatedBytes  : 672216
numOfPickAllBlocks       : 448

ShadowIdx: 0    Partition: 2

numOfUsedBlocks          : 17569           numOfAllocatedBytes      : 
2083064
numOfFreeBytes           : 11952           numOfPickAllocatedBytes  : 
2083816
numOfPickAllBlocks       : 22343

IPV6
-----

ShadowIdx: 0    Partition: 0

numOfUsedBlocks          : 2077            numOfAllocatedBytes      : 48216
numOfFreeBytes           : 2046640         numOfPickAllocatedBytes  : 48380
numOfPickAllBlocks       : 2370

ShadowIdx: 0    Partition: 1

numOfUsedBlocks          : 320             numOfAllocatedBytes      : 667884
numOfFreeBytes           : 1427132         numOfPickAllocatedBytes  : 672216
numOfPickAllBlocks       : 448

ShadowIdx: 0    Partition: 2

numOfUsedBlocks          : 17569           numOfAllocatedBytes      : 
2083064
numOfFreeBytes           : 11952           numOfPickAllocatedBytes  : 
2083816
numOfPickAllBlocks       : 22343

Thanks for the interest and the suggestion,

			Bergonz


-- 
Ing. Michele Bergonzoni - Laboratori Guglielmo Marconi S.p.a.
Phone:+39-051-4392826 e-mail: bergonz at labs.it
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