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FAQ-What Is the Relationship Between the LPU Types and Chips of the NE40E, NE80E, and NE5000E

Publication Date:  2012-07-27 Views:  50 Downloads:  0
Issue Description
Q:
What is the relationship between the LPU types and chip parameters of the NE40E, NE80E, and NE5000E? 
 
Alarm Information
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Handling Process
A:
For the NE40E and NE80E:
1. LPUA: 2800 engine, 10 GB line rate forwarding, 512 MB interface board memory, 96 MB LPU forwarding table, and 22.4/25 MB IPv4 TCAM forwarding table
2. LPUD: RAINIER+CPU (7447) LPU, enhanced RAINIER LPU, and CPU for development of low-speed interface features
3. LPUF-10: two 2805 chips, one SD587V5 chip, flexible plug-in cards, 10 GB processing capacity, large board, no FAD, and TCAMB (algorithms available for search of 1 million entries)
4. LPUG: 2805 cable clip, upgraded LPUA supporting 600,000-entry TCAMH, and FADD
5. LPUH: 2805 cable clip, upgraded LPUA supporting 1 million-entry TCAME, and FADD
6. LPUK (LPUF-20): 20 GB full-service Ethernet interface board with 588 ASIC chip, large board (no FAD, and algorithms written into the chip for search of entries), and algorithms available for search of 1 million entries
7. LPUX: compatible with some interface boards of the NE80/40 RAINIER engine, FADF switch board (Ethernet, POS, ATM, NETSTREAM, E1/CE1, and so on)
For the NE5000E:
1. LPUC: Two sets of 588 logical forwarding engines, 20 G line rate forwarding, 512 MB interface board memory, 22.4/25 MB IPv4 TCAM forwarding table, and large board
2. LPUE: two 588 ASIC chips, 40 GB processing capacity, algorithms available for search of 1 million entries, and large board
2. LPUI: one 588 ASIC chip, 20 GB processing capacity, substitute of LPUB, algorithms available for search of 1 million entries, and large board
4. LPUB: 588 logical forwarding engine, 10 GB line rate forwarding, 512 MB interface board memory, 22.4/25M IPv4 TCAM forwarding table, and FADC
5. NETSTREAM: FADF switch board 
 
Root Cause
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Suggestions
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