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Troubleshooting Guide

CloudEngine 16800, 12800, 12800E, 8800, 7800, 6800, and 5800 Series Switches

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Which Fields Are Contained in NetStream Packets?

Which Fields Are Contained in NetStream Packets?

NetStream provides the following functions: IPv4/IPv6 original flow statistics export, IPv4/IPv6 aggregation flow statistics export, IPv4/IPv6/VXLAN flexible flow statistics export, and Layer 2 flow statistics export. Fields contained in NetStream packets vary according to NetStream functions, versions of the exported NetStream packets (V5, V8, and V9), and configurations (for example, aggregation mode of aggregation flows). The following describes fields carried in NetStream packets in common NetStream functions.

IPv4 Original Flow Statistics Export

NetStream packets of V9 contain the following fields: SrcAddr, DstAddr, NextHop, Packets, Octets, StartTime, EndTime, BGPNextHop, InputInt, OutputInt, SrcPort, DstPort, SrcAS, DstAS, Vlan Id, Post Vlan Id, TCP Flags, Protocol, IP ToS, Direction, Sampling interval, Sampling algorithm, SrcMask, and DstMask.

IPv6 Original Flow Statistics Export

NetStream packets of V9 contain the following fields: SrcAddr, DstAddr, NextHop, Packets, Octets, StartTime, EndTime, BGPNextHop, InputInt, OutputInt, SrcAS, DstAS, SrcPort, DstPort, Vlan Id, Post Vlan Id, TCP Flags, Protocol, IP ToS, SrcMask, DstMask, ipv6FlowLabel, Sampling interval, Sampling algorithm, and Direction.

IPv4 Aggregation Flow Statistics Export

When the aggregation mode is set to source-prefix, NetStream packets of V9 contain the following fields: Packets, Octets, StartTime, EndTime, SrcAddr, SrcAS, InputInt, SrcMask, and Direction.

When the aggregation mode is set to destination-prefix, NetStream packets of V9 contain the following fields: Flows, Packets, Octets, StartTime, EndTime, DstAddr, DstAS, OutputInt, DstMask, and Direction.

IPv6 Aggregation Flow Statistics Export

When the aggregation mode is set to source-prefix, NetStream packets of V9 contain the following fields: Packets, Octets, StartTime, EndTime, SrcAddr, SrcAS, InputInt, SrcMask, and Direction.

IPv4 Flexible Flow Statistics Export

If aggregation keywords destination-address, destination-port, tos, protocol, source-address, and source-port are configured in an IPv4 flexible flow statistics template and flexible flow statistics exported to the NSC contain the number of packets and bytes, NetStream packets of V9 contain the following fields: SrcAddr, DstAddr, Packets, Octets, StartTime, EndTime, Sampling interval, SrcPort, DstPort, Sampling algorithm, Protocol, IP ToS, and Direction.

IPv6 Flexible Flow Statistics Export

If aggregation keywords destination-address, destination-port, tos, flow-label, protocol, source-address, and source-port are configured in an IPv6 flexible flow statistics template and flexible flow statistics exported to the NSC contain the number of packets and bytes, NetStream exported packets of V9 contain the following fields: SrcAddr, DstAddr, Packets, Octets, StartTime, EndTime, Sampling interval, ipv6FlowLabel, Digest Hash Value, SrcPort, DstPort, Sampling algorithm, Protocol, IP ToS, and Direction.

VXLAN Flexible Flow Statistics Export

If aggregation keywords destination-address, destination-port, tos, protocol, source-address, source-port, source-mac, destination-mac, and cvlan are configured in a VXLAN flexible flow statistics template and flexible flow statistics exported to the NSC contain the number of packets and bytes, NetStream packets of V9 contain the following fields: Unknown Field Type, SrcAddr, DstAddr, Packets, Octets, StartTime, EndTime, Sampling interval, SrcPort, DstPort, Source Mac Address, Post Destination Mac Address, Dot1q Customer, Sampling algorithm, Protocol, IP ToS, and Direction.

Layer 2 Flow Statistics Export

NetStream packets of V9 contain the following fields: Packets, Octets, InputInt, OutputInt, Source Mac Address, Post Destination Mac Address, Vlan Id, Ethernet Type, and Direction.

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Updated: 2020-01-07

Document ID: EDOC1000060766

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