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介面類別
QSFP-DD800 : 800G, 400G, 200G, 100G, 50G, 40G, 25G & 10G Ethernet
QSFP112 : 400G, 200G, 100G, 50G, 40G, 25G & 10G Ethernet
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介面選項
QSFP-DD800 cage:
112G SerDes Line Code IEEE/ETC*
1 x 800GE PAM4 IEEE 802.3df or ETC* 800G R1.1
2** x 400GE PAM4 802.3ck
4** x 200GE PAM4 802.3ck
8** x 100GE PAM4 802.3ck
56G Serdes
1 x 400GE PAM4 IEEE 802.3bs or ETC* 400G
2** x 200GE PAM4 802.3cd
4** x 100GE PAM4 802.3cd
8** x 50GE PAM4 802.3cd
25G/10G Serdes
2** x 100GE NRZ 802.3ba
4** x 50GE NRZ ETC* 25G/50G R2.0
2** x 40GE NRZ 802.3ba
8** x 25GE NRZ IEEE 802.3by or ETC* 25G/50G R2.0
8** x 10GE NRZ 802.3ae
Power capacity using single cage:
OSFP or QSFP-DD800: 25W or QSFP112: 15W
Power capacity using both cages:
QSFP-DD800: 15W + QSFP112: 15W
* ETC = Ethernet Technology Consortium
** QSFP-DD module offers the option to provide connectivity in both 2 cages. If any of those modes is selected, the same interface configuration will be on all ports,- furthermore the ports will be shared across the 2 cages.
For instance if the QSFP112 mode with 8 x 100G is chosen, 4 ports will be
available in QSFP-DD cage and 4 ports will be available in the QSFP112 cage.
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有效負載測試模式
PRBS-13Q、PRBS-31Q、SSPRQ 測試模式（IEEE 802.3 條款 120.5.11.2.3）和方波（IEEE 802.3 條款 120.5.11.2.4）。
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Physical Coding Sublayer
PCS virtual lane-to-SerDes mapping configuration
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Forward error Correction
BASE-R FEC (Firecode) (2112,2080), IEEE 802.3 Clause 74 (25GE, 10GE)
RS-FEC KR (528, 514, t=7), IEEE 802.3 Clause 91 (100GE)
RS-FEC KR (528, 514, t=7), IEEE 802.3 Clause 108 (25GE)
RS-FEC KR (528, 514, t=7), 25/50G Ethernet Consortium (25/50GE)
RS-FEC KP (544,514,t=15), IEEE802.3 Clause 119
RS-FEC KP (544,514,t=15), IEEE802.3 Clause 134
RS-FEC Int KP (544,514,t=15), IEEE802.3 Clause 161 (100G)
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FEC Error Injection
RS-FEC KP (544, 514, T=15) (excluding RS-FEC Int KP)
RS-FEC KR (528, 514, T=7)
Configuration: Consecutive, Errored Codewords, Total Codewords Per Cycle,
Errored Symbols Per Codeword
Bit error mask modes: Static, Rotate, Increment
Pre-defined profiles: Max. Consecutive Uncorrectable w/o Link Loss, Min.
Consecutive Uncorrectable with Link Loss
Loop modes: Single, Continuous, Repeat
Injection statistics: Injected FEC Errors; Total Codewords, Total Uncorrectable
Codewords, Total Correctable Codewords, Total Error-Free Codewords,
Codeword Error Ratio, and Total Symbol Errors
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Reconciliation Sublayer (Local/Remote Fault feature)
Normal: Acts according to 802.3 standard
Force Local: Port will continuously transmit “Local Fault indication”.
Force Remote: Port will continuously transmit “Remote Fault indication”
Disabled: Port does not respond to Local/Remote Fault from DUT
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PMA Error Injection
Repeatable error injection periods at PMA layer with millisecond precision.
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連桿翻蓋
Single shot or repeatable link-down with millisecond precision.
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均衡控制
Tx Equalization Control
Rx Equalization Control: CTLE, AGC Adapt, OC Adapt, DFE Tap, CDR, Pre
FFEs, and Post FFEs
Support value freezing and auto on Rx equalizations
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信號完整性分析
Advanced Signal Integrity View for modulated signal quality analysis
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PPM 掃描
Configurable
linear or step sweep +/- 400 ppm in steps of 1ppm (shared across all ports on
module)
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自動協商和鏈接訓練
Auto-negotiation: IEEE 802.3 Clause 73, ETC 400G/800G & ETC 25G/50G
Link training: IEEE 802.3 Clause 72, 136 and 161
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Advanced Auto Negotiation and Link Training analysis
Capture, Decode and analysis of Auto Negotiation and Link Training protocol
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均衡控制
From -400 to 400 ppm in steps of 1 ppm (shared across all ports on module)
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Oscillator Characteristics
Initial Accuracy is +/- 1,5 ppm including temperature Stability.
Frequency drift over 1st year: +/- 2.5 ppm including temperature Stability.
Frequency drift over over 20 years: +/- 3.5 ppm including temperature Stability.
Temperature Stability mentioned above is +/- 0.5 ppm
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Transmit Control
Support adjustment of the effective line rate by forcing idle gaps equivalent to -1000
ppm (increments of 10 ppm)
Configurable Inter-Frame Gap (IFG) from 16 to 63 bytes, default is 20B (12B IFG +
8B preamble)
Support optical laser or copper link enable/disable
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Loopback Modes
L1 RX-to-TX: Any received packet is bounced back through TX
TX(on)-to-RX: Packet goes out of TX but also internally direct to RX
TX(off)-to-RX: Packet goes directly to RX (No link sync needed)
Port-to-Port: Any received packet goes out through the neighbor port
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Port Transmit Scheduling Modes
Normal (stream interleaved mode): Default scheduling mode, precise rates, minor
variation in packet inter-frame gap.
Uniform: With 100% uniform packet inter-frame gap, minor deviation from configured
rates is available.
Sequential: Streams are scheduled continuously in sequential order, with
configurable number of packets per stream.
Burst: Packets in a stream are organized in bursts. Bursts from active streams form
a burst group is available. The user specifies time from start of one burst group till
start of next burst group.
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Stream Profile
Packet Length: Fixed; Incrementing, Random, Butterfly. Minumum 56 bytes,
maximum 16K bytes.
Packet Payload: Incrementing 8-bit, custom pattern (up to 18B repeated)
Burst Traffic with configurable Burst Size, and Burst Density
Flow Control: PFC support for both VLAN tagged and untagged traffic
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Stream Header Types
Ethernet, VLAN, ARP, IPv4, IPv6, UDP, TCP, LLC, SNAP, GTP, ICMP, RTP, RTCP,
STP, SCTP, MacCtrl, MPLS, PBB, FCoE, FC, IGMPv2, GRE, GTP, VxLAN, NVGRE,
DHCPv4, Geneve, eCPRI, RoE, PWE, PFC, Custom.
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Stream Modifiers
Maximum 8 x 24-bit modifiers per stream
24-bit header field modifiers with incremental, decremental, or random mode.
Each modifier has configurable bit-mask, repetition, min, max, and step parameters.
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Layer 2 Error Injection
Undersize (56 bytes min), and oversize (12288 bytes max.) packet lengths
FCS Error, Sequence Error, Misordering Error, Payload Integrity Error, Test Payload
Error
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組播
Support for IPv4
Up to 8 multicast group addresses
IGMPv2: Join (with configurable repeat interval), Leave All-Devices, Leave, General
Query, Group Query
IGMPv3: Exclude (with configurable repeat interval), Include, Change-to-Exclude,
Change-to-Include, Multi-group record support
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ARP/NDP/Ping
Auto address resolution
Auto reply to request per port and per stream
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LLDP
Configurable LLDP operation mode, timers, and TLVs
Support mandatory and optional TLV types
Display received LLDP information
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傳輸統計
Per-stream: bits/s, bytes/s, packets/s, packets, bytes
Per-port: ARP, NDP, Ping, requests and replies
Per-port injected errors: FCS Error, Sequence Error, Misordering Error, Payload
Integrity Error, Test Payload Error
Two real-time histograms per port: TX Packet Length, IFG, or latency distribution for
all traffic, a specific stream, or a filter
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數據包調度模式
Normal (stream interleaved mode) – standard scheduling mode, precise rates, minor
variation in packet inter-frame gap.
Strict Uniform – with 100% uniform packet inter-frame gap, minor deviation from
configured rates is available.
Sequential packet scheduling (sequential stream scheduling) is available. Streams
are scheduled continuously in sequential order, with configurable number of packets
per stream.
Burst. Packets in a stream are organized in bursts. Bursts from active streams form
a burst group is available. The user specifies time from start of one burst group till
start of next burst group.
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Traffic Receive Capability
Number of Traceable Rx Streams Per Port : 2016 (wire-speed)
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接收統計資訊
Per-stream: bits/s, bytes/s, packets/s, packets, bytes
Per-stream: Packet Loss, Misordered, Payload Errors
Per-stream: Latency and jitter with minimum, maximum and average
Per-port: ARP, NDP, Ping, with requests and replies
Per-port injected errors: FCS Error, Sequence Error, Misordering Error, Payload
Integrity Error, Test Payload Error
Two real-time histograms per port: RX Packet Length, IFG, or latency distribution
for all traffic, a specific stream, or a filter
Filter statistics: bits/s, bytes/s, packets/s, packets, bytes
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Latency Measurement
Latency can be measured on up to 256 streams
Accuracy: ±16 ns
Resolution: 1 ns
(Latency measurements can be calibrated to remove latency from transceiver
modules)
Measurement modes: Last-to-last, last-to-first, first-to-last, first-to-first
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Jitter Measurement
- Jitter can be measured on up to 256 streams
Jitter (Packet Delay Variation) measurements compliant to MEF10 standard with
1ns accuracy.
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Traffic Filter
6 x 64-bit configurable match-term patterns with mask, and offset
6 x frame length comparator terms (longer, shorter)
6 x configurable filters expressed in logical expressions of the match and length
terms
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篩選統計資訊（計數器大小：64 位）
Per filter:
RX Mbit/s
packets/s
packets
bytes
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捕獲
Start Trigger Criteria: FCS errors, filter match, payload error, manual
Stop Trigger Criteria: FCS errors, filter match, payload error, manual, buffer full
Capture Limit Per Packet: 16 – 16383 bytes
Wire-Speed Capture Buffer Per Port: 64 kB
Low Speed Capture Buffer Per Port (10 Mbits/s): 4096 packets (any size)
Packet header auto decode
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Traffic Receive Capability
Number Of Traceable Rx Streams Per Port: 2016 (wire-speed)
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接收統計資訊
Per-stream: bits/s, bytes/s, packets/s, packets, bytes
Per-stream: Packet Loss, Misordered, Payload Errors
Per-stream: Latency and jitter with minimum, maximum and average
Per-port: ARP, NDP, Ping, with requests and replies
Per-port injected errors: FCS Error, Sequence Error, Misordering Error, Payload
Integrity Error, Test Payload Error
Two real-time histograms per port: RX Packet Length, IFG, or latency distribution
for all traffic, a specific stream, or a filter
Filter statistics: bits/s, bytes/s, packets/s, packets, bytes
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Latency Measurement
Accuracy: ±16 ns
Resolution: 1 ns
(Latency measurements can be calibrated and remove latency from transceiver
modules)
Measurement modes: Last-to-last, last-to-first, first-to-last, first-to-first
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Jitter Measurement
Jitter can be measured on up to 256 streams
Jitter (Packet Delay Variation) measurements compliant to MEF10 standard with
1ns accuracy.
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Traffic Filter
6 x 64-bit configurable match-term patterns with mask, and offset
6 x frame length comparator terms (longer, shorter)
6 x configurable filters expressed in logical expressions of the match and length
terms
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篩選統計資訊（計數器大小：64 位）
Per filter:
RX Mbit/s
packets/s
packets
bytes
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捕獲
Start Trigger Criteria: FCS errors, filter match, payload error, manual
Stop Trigger Criteria: FCS errors, filter match, payload error, manual, buffer full
Capture Limit Per Packet: 16 – 16383 bytes
Wire-Speed Capture Buffer Per Port: 64 kB
Low Speed Capture Buffer Per Port (10 Mbits/s): 4096 packets (any size)
Packet header auto decode
數據表
