OS10 Enterprise Edition User Guide Release 10.4.0E(R3)

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UFT modes

Unified Forwarding Table (UFT) gives the flexibility to configure the sizes of internal L2/L3 forwarding tables of a switch to match the needs of particular network environment. A switch in a Layer 2 network may require a larger MAC address table size, while a switch in a Layer 3 network may require a larger routing table size.

OS10 supports several UFT modes for the forwarding tables. By default, OS10 selects a UFT mode which provides a reasonable size for all tables. The supported UFT modes are: default, scaled-l2–switch, scaled-l3–hosts, and scaled-l3–routes.

Table 1. UFT Modes — Table Size for S4000, S6010,S4048 . UFT Modes —Table Size
UFT Mode L2 MAC Table Size L3 Host Table Size L3 Routes Table Size

Scaled-l2–switch

294912

16384

16384

Scaled-l3–hosts

98304

212992

98304

Scaled-l3–routes

32768

16384

131072

Default

163840

147456

16384

Table 2. UFT Modes — Table Size for S3000 . UFT Modes —Table Size
UFT Mode L2 MAC Table Size L3 Host Table Size L3 Routes Table Size

Scaled-l2–switch

40960

2048

8192

Scaled-l3–hosts

8192

18432

8192

Default

28672

8192

8192

Table 3. UFT Modes — Table Size for S41XX . UFT Modes —Table Size
UFT Mode L2 MAC Table Size L3 Host Table Size L3 Routes Table Size

Scaled-l2–switch

278528

4096

16384

Scaled-l3–hosts

16384

266240

16384

Scaled-l3–routes

16384

4096

262144

Default

81920

69632

131072


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