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The number of The  maximum entries of OpenFlow Flows is often a critical piece of any SDN solution. This is a summary of Openflow Flow scalability per family of Chipset. 

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Helix4108kB96k(UFT)
Chipset
TCAM SizeFIB SizeAll tuples in TCAMIPv4 in TCAMIPv6 in TCAMMAC in TCAMARP in TCAMIPv4 in FIBIPv6 in FIB
ICAP (maximum entries in default or match modes)ECAP
(entries)		VCAP
(entries)		L2 (maximum entries when buffer-mode is 5)L3 (maximum entries when buffer-mode 5)
defaultIPv4IPv6MACARPIPv4 host routeIPv4 forwarding  routeIPv6 host routeIPv6 forwarding  route
Helix4204840962048409620485121024
4096
32768
2048
16384
12000
6000
Apollo2
8192
108kB176k(UFT)
3000
Firebolt420484096
1024
20484096
2048
4096
12000
512
6000
1024
Firebolt3
32768
108kB
13100
32K
4800
2048
6550
4096
2400
Trident+1024
4096
20481024204820485125123276812000120006000
Triumph2
6000
216kB
Trident2
32K
20484096
8192
2048
8192Trident
409640965125123276812000
8000
1200060006000
Trident2+
54kB
8192
128K
16384
1024
8192
2048
1638416384512
2048
512
1024
3276812000
8000
12000
Trident2
6000
108kBCommon FIB and L2 Memory204840961024409620481152006000(will improve later)Trident2+ Common FIB and L2 Memory81921638440961638481921152006000(will improve later)Tomahawk162kBCommon FIB and L2 Memory1024Not SupportNot SupportNot SupportNot Support11520057600

 

 

 

 

6000
Trident330723072307230723072102451232768120001200060006000
Tomahawk10243072102430723072512512819265001200032506000
Maverick409681924096819281925125123276840001200020006000