Napatech Link Capture Software

Zero packet loss under all conditions, Full throughput up to 100 Gbps bi-directional
Nanosecond timestamping and packet merge, 140 million flows with stateful match/action
Flow records with metrics for both directions, PCAP and DPDK API support

Mô tả

Link-Capture™ Software for Napatech FPGA-based SmartNICs

Tech specs

FEATURES	Link-Capture™ Software for Napatech FPGA SmartNICs
Rx Packet Processing	• Line rate Rx up to 100 Gbps for packet size 64 – 10,000 bytes • Zero packet loss • Multi-port packet merge, sequenced in time stamp order
L2, L3 and L4 protocol classification	• L2: Ether II, IEEE 802.3 LLC, IEEE 802.3/802.2 SNAP • L2: PPPoE Discovery, PPPoE Session, Raw Novell • L2: ISL, 3x VLAN, 7x MPLS • L3: IPv4, IPv6 • L4: TCP, UDP, ICMP, SCTP • L2 and L3/L4 (IP/TCP/UDP) Tx checksum generation • L2 and L3/L4 (IP/TCP/UDP) Rx checksum verification
Tunneling support	• GTP, IP-in-IP, GRE, NVGRE, VxLAN, Pseudowire, Fabric Path
General purpose filters	• Pattern match, network port, protocol, length check, error conditions
Flow filtering	• Configurable flow definitions based on 2-, 3-, 4-, 5- or 6-tuple • Up to 36,000 IPv4 or up to 7,500 IPv6 2-tuple flows • Flow match/actions: forward to specific host Rx queue, drop, fast forward to network port, select packet descriptor type, slice
Stateful flow management (NT100A01 and NT200A02)	• Configurable flow definitions based on 2-, 3-, 4-, 5- or 6-tuple • Up to 140 million bidirectional IPv4 or IPv6 flows • Learning rate: 3 million flows/sec • Flow match/actions: forward to specific host Rx queue, drop, fast forward to network port, update metrics in flow record • Flow termination: TCP protocol, timeout, application- requested • Flow records: Rx packet/byte counters and TCP flags, delivered to application at flow termination
Hash keys	• Custom 2 × 128 bits and 2 × 32 bits with separate bit masks • Symmetric hash keys • Protocol field from inner or outer headers
Load distribution	• Hash key, filter-based or per flow • To local CPU cores via host buffers/queues • Remotely via VLAN tagging over egress port (NT200A02 and NT100A01) • CPU Socket Load Balancing (NT200A02, NT100A01)
Packet descriptors and metadata	• PCAP and Napatech descriptor formats • Time stamp, network port ID, header offsets • Hash key, color/tag • 64-bit pointer for flow lookup • 64-bit correlation key with maskable fields (packet fingerprint) • Protocol and error information
IP fragment handling	• First level IP fragmentation • Filter actions on inner header fields applied to all fragments
Deduplication	• Configurable action per port group: discard or pass duplicates • Duplicate counters per port group
Slicing	• Dynamic offset or fixed offset from start or end of packet
Header stripping (NT200A02 and NT100A01)	• Removal of protocol layers between outer L2 and inner L3 headers
Packet masking (NT200A02 and NT100A01)	• Zeroing of 1 – 64 bytes at dynamic or fixed offset
Tx Packet Processing	• Line rate Tx up to 100 Gbps for packet size 64 – 10,000 bytes • Replay as captured with nanoseconds precision • Per-port traffic shaping • Port-to-any-port forwarding
Rx buffer capacity	• NT200A02: 12GB • NT100A01: 8GB • NT50B01: 10GB • NT40A11: 4GB
Host Buffers and Queues	• Rx queues: 128, Tx queues: 128 • Rx buffer size: 16 MB – 1 TB, Tx buffer size: 4 MB
Advanced Statistics	• Extended RMON1 per port • Packets and bytes per filter/color and per stream/queue
Time Stamping and Synchronization	• OS time • PPS and IEEE 1588-2008 PTP V2 () • NT-TS synchronization between Napatech SmartNICs () • Time stamp formats: Unix 10 ns, Unix 1 ns, PCAP 1 us, PCAP 1 ns • Tx time stamp inject • Rx time stamp with 1 ns resolution
Monitoring sensors	• PCB temperature level with alarm • FPGA temperature level with alarm and automatic shutdown • Temperature of critical components • Individual optical port temperature or light level with alarm • Voltage or current overrange with alarm • Cooling fan speed with alarm
Supported OS	• Linux kernel 3.0 – 3.19, 4.0 – 4.18, 5.0 – 5.11 (64-bit) • Windows Server 2016 and 2019 (64-bit)
Supported APIs	• libpcap v. 1.7.3, 1.8.1, 1.9.0 and WinPcap v. 4.1.3 • DPDK v. 20.11 • NTAPI (Napatech API)
Supported Hardware and Transceivers	NT200A02: • 1000BASE-T, SX, LX, ZX • 10GBASE-SR, CR, LR, ER and breakout to 4x10GBASE-SR, CR, LR • 25GBASE-SR, LR, LR-BiDi and breakout to 4x25GBASE-SR, LR • 40GBASE-SR4, SR-BiDi, CR4, LR4 • 100GBASE-SR4, SR-BiDi, LR4NT100A01: • 1000BASE-T, SX, LX, ZX • 10GBASE-SR, CR, LR, ER • 25GBASE-SR, LR, LR-BiDiNT50B01: • 10GBASE-SR, CR, LR, ER • 25GBASE-SR, LR, LR-BiDiNT40A11: • 1000BASE-T, SX, LX, ZX • 10GBASE-T, SR, CR, LR, ER
	(*) Not supported by the NT40A11