17-Network Management and Monitoring Configuration Guide

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15-IPv6 NetStream configuration
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Configuring IPv6 NetStream

About IPv6 NetStream

IPv6 NetStream is an accounting technology that provides statistics on a per-flow basis. An IPv6 flow is defined by the following 8-tuple elements:

·     Destination IPv6 address.

·     Source IPv6 address.

·     Destination port number.

·     Source port number.

·     Protocol number.

·     Traffic class.

·     Flow label.

·     Input or output interface.

IPv6 NetStream architecture

A typical IPv6 NetStream system includes the following elements:

·     NetStream data exporter—A device configured with IPv6 NetStream. The NDE provides the following functions:

¡     Classifies traffic flows by using the 8-tuple elements.

¡     Collects data from the classified flows.

¡     Aggregates and exports the data to the NSC.

·     NetStream collector—A program running in a Unix or Windows operating system. The NSC parses the packets received from the NDEs, and saves the data to its database.

·     NetStream data analyzer—A network traffic analyzing tool. Based on the data in NSC, the NDA generates reports for traffic billing, network planning, and attack detection and monitoring. The NDA can collect data from multiple NSCs. Typically, the NDA features a Web-based system for easy operation.

NSC and NDA are typically integrated into a NetStream server.

Figure 1 IPv6 NetStream system

 

IPv6 NetStream flow aging

IPv6 NetStream uses flow aging to enable the NDE to export IPv6 NetStream data to NetStream servers. IPv6 NetStream creates an IPv6 NetStream entry for each flow for storing the flow statistics in the cache.

When a flow is aged out, the NDE performs the following operations:

·     Exports the summarized data to NetStream servers in a specific format.

·     Clears IPv6 NetStream entry information in the cache.

IPv6 NetStream supports the following flow aging methods:

·     Periodical aging.

·     Forced aging.

·     TCP FIN- and RST-triggered aging.

Periodical aging

Periodical aging uses the following methods:

·     Inactive flow aging—A flow is inactive if no packet arrives for the IPv6 NetStream entry within the inactive flow aging timer. When the timer expires, the following events occur:

¡     The inactive flow entry is aged out.

¡     The statistics of the flow are sent to NetStream servers and are cleared in the cache. The statistics can no longer be displayed by using the display ipv6 netstream cache command.

This method ensures that inactive flow entries are cleared from the cache in a timely manner so new entries can be cached.

·     Active flow aging—A flow is active if packets arrive for the IPv6 NetStream entry within the active flow aging timer. When the timer expires, the statistics of the active flow are exported to NetStream servers. The device continues to collect its statistics, which can be displayed by using the display ipv6 netstream cache command.

The active flow aging method periodically exports the statistics of active flows to NetStream servers.

Forced aging

To implement forced aging, use one of the following methods:

·     Clear the IPv6 NetStream cache immediately. All entries in the cache are aged out and exported to NetStream servers.

·     Specify the upper limit for cached entries and configure the system to take either of the following actions when the limit is reached:

¡     Age out the oldest entries.

¡     Disable creation of a new entry in the cache.

TCP FIN- and RST-triggered aging

TCP FIN- and RST-triggered aging is automatically performed when a TCP connection is terminated.

A TCP connection is terminated when a packet with a FIN or RST flag is received.

When a packet with a FIN or RST flag is recorded for a flow with an existing IPv6 NetStream entry, the entry is immediately aged out, exported, and cleared. However, when the first packet of a flow has a FIN or RST flag, a new IPv6 NetStream entry is created instead of being aged out.

TCP FIN- and RST-triggered aging is enabled by default, and is not user-configurable.

IPv6 NetStream data export

Traditional data export

IPv6 NetStream collects the statistics of each flow and exports the statistics to NetStream servers.

This method consumes a lot of bandwidth and CPU usage, and requires a large cache size. In addition, you do not need all of the data in most cases.

Aggregation data export

An IPv6 NetStream aggregation mode merges the flow statistics according to the aggregation criteria of the aggregation mode, and it sends the summarized data to NetStream servers. The IPv6 NetStream aggregation data export uses less bandwidth than the traditional data export.

Table 1 lists the available IPv6 NetStream aggregation modes. In each mode, the system merges multiple flows with the same values for all aggregation criteria into one aggregate flow. The system records the statistics for the aggregate flow. These aggregation modes work independently and can take effect concurrently.

Table 1 IPv6 NetStream aggregation modes

Aggregation mode

Aggregation criteria

AS aggregation

·     Source AS number

·     Destination AS number

·     Input interface index

·     Output interface index

Protocol-port aggregation

·     Protocol number

·     Source port

·     Destination port

Source-prefix aggregation

·     Source AS number

·     Source mask

·     Source prefix (source network address)

·     Input interface index

Destination-prefix aggregation

·     Destination AS number

·     Destination mask

·     Destination prefix (destination network address)

·     Output interface index

Source-prefix and destination-prefix aggregation

·     Source AS number

·     Source mask

·     Source prefix (source network address)

·     Input interface index

·     Destination AS number

·     Destination mask

·     Destination prefix (destination network address)

·     Output interface index

BGP-nexthop

·     BGP next hop

·     Output interface index‌

 

If IPv6 packets are not forwarded according to the BGP routing table, the AS number or BGP next hop cannot be obtained.

IPv6 NetStream data export format

IPv6 NetStream exports data in the version 9 format.

Version 9 is template-based and supports user-defined formats and IPv6 NetStream aggregation data export. You can configure the version 9 format to record the BGP next hop and MPLS packet statistics.

NetStream mirroring

IPv6 NetStream mirroring copies packets that pass through the device to a NetStream module for collecting traffic statistics. The forwarding performance of the device is not affected.

IPv6 NetStream mirroring is implemented through QoS policy-based flow mirroring, which copies the packets that meet specific QoS match criteria to a NetStream module. The QoS policy used for IPv6 NetStream mirroring contains a traffic class that defines the traffic match criteria and a traffic behavior that defines the mirroring action. For more information about traffic classes, traffic behaviors, and QoS policies, see QoS configuration in ACL and QoS Configuration Guide.

IPv6 NetStream filtering

IPv6 NetStream filtering uses an ACL to identify packets. Whether IPv6 NetStream collects data for identified packets depends on the action in the matching rule.

·     IPv6 NetStream collects data for packets that match permit rules in the ACL.

·     IPv6 NetStream does not collect data for packets that match deny rules in the ACL.

For more information about ACLs, see ACL and QoS Configuration Guide.

IPv6 NetStream sampling

IPv6 NetStream sampling collects statistics on fewer packets and is useful when the network has a large amount of traffic. IPv6 NetStream on sampled traffic lessens the impact on the device's performance. For more information about sampling, see "Configuring samplers."

Protocols and standards

RFC 5101, Specification of the IP Flow Information Export (IPFIX) Protocol for the Exchange of IP Traffic Flow Information

IPv6 NetStream tasks at a glance

To configure IPv6 NetStream, perform the following tasks:

1.     Enabling IPv6 NetStream

2.     (Optional.) Enabling archiving of cached IPv6 NetStream entries

3.     (Optional.) Configuring IPv6 NetStream mirroring

4.     (Optional.) Configuring IPv6 NetStream filtering

5.     (Optional.) Configuring IPv6 NetStream sampling

6.     (Optional.) Enabling IPv6 NetStream for outgoing IPsec packets before IPsec encapsulation

7.     (Optional.) Configuring the IPv6 NetStream data export format

8.     (Optional.) Configuring the refresh rate for IPv6 NetStream version 9 template

9.     (Optional.) Configuring MPLS-aware IPv6 NetStream

10.     (Optional.) Configuring IPv6 NetStream flow aging

¡     Configuring periodical flow aging

¡     Configuring forced flow aging

11.     Configuring the IPv6 NetStream data export

a.     Configuring the IPv6 NetStream traditional data export

b.     (Optional.) Configuring the IPv6 NetStream aggregation data export

Enabling IPv6 NetStream

1.     Enter system view.

system-view

2.     Enter interface view.

interface interface-type interface-number

3.     Enable IPv6 NetStream on the interface.

ipv6 netstream [ inbound | outbound ]

By default, IPv6 NetStream is disabled on an interface.

Enabling archiving of cached IPv6 NetStream entries

About archiving of cached IPv6 NetStream entries

By default, archiving of cached IPv6 NetStream entries is disabled. IPv6 NetStream entries are cleared from the cache after they are exported to NetStream servers. You cannot view the exported IPv6 NetStream entry information.

This feature archives the cached IPv6 NetStream entries in binary format to a local file named netstream6.log when the entries are exported to NetStream servers. You can view the archived IPv6 NetStream entries by using the display ipv6 netstream cache archive command.

If not enough storage space is available for archiving a new IPv6 NetStream entry, the system will overwrite the oldest entry with the new entry.

Procedure

1.     Enter system view.

system-view

2.     Enable archiving of cached IPv6 NetStream entries.

ipv6 netstream cache archive enable

By default, archiving of cached IPv6 NetStream entries is disabled.

Configuring IPv6 NetStream mirroring

1.     Enter system view.

system-view

2.     Create a traffic class and enter traffic class view.

traffic classifier classifier-name [ operator { and | or } ]

3.     Define a match criterion.

if-match [ not ] match-criteria

For more information about this command, see the QoS commands in ACL and QoS Command Reference.

4.     Return to system view.

quit

5.     Create a traffic behavior and enter traffic behavior view.

traffic behavior behavior-name

6.     Configure a mirroring action for the traffic behavior.

In IRF mode:

mirror-to slot slot-number [ backup-slot slot-number ] [ sampler sampler-name ]

By default, no mirroring action is configured for a traffic behavior.

For more information about these commands, see the mirroring commands in Network Management and Monitoring Command Reference.

7.     Return to system view.

quit

8.     Create a QoS policy and enter QoS policy view.

qos policy policy-name

By default, no QoS policy is configured.

9.     Associate the traffic behavior with the traffic class in the QoS policy.

classifier classifier-name behavior behavior-name

10.     Apply the QoS policy.

For information about applying a QoS policy, see the QoS configuration in ACL and QoS Configuration Guide.

Configuring IPv6 NetStream filtering

About IPv6 NetStream filtering

IPv6  NetStream filtering uses an ACL to identify packets.

·     To enable IPv6 NetStream to collect statistics for specific flows, use the ACL permit statements to identify these flows

·     To disable IPv6 NetStream from collecting statistics for specific flows, use the ACL deny statements to identify these flows.

Restrictions and guidelines

If IPv6 NetStream filtering and sampling are both configured, IPv6 packets are filtered first, and then the permitted packets are sampled.

The IPv6 NetStream filtering feature does not take effect on MPLS packets.

Procedure

1.     Enter system view.

system-view

2.     Enter interface view.

interface interface-type interface-number

3.     Configure IPv6 NetStream filtering on the interface.

ipv6 netstream { inbound | outbound } filter acl ipv6-acl-number

By default, IPv6 NetStream filtering is disabled. IPv6 NetStream collects statistics of all IPv6 packets passing through the interface.

Configuring IPv6 NetStream sampling

Restrictions and guidelines

If IPv6 NetStream sampling and filtering are both configured, IPv6 packets are filtered first, and then the permitted packets are sampled.

Procedure

1.     Enter system view.

system-view

2.     Create a sampler.

sampler sampler-name mode { fixed | random } packet-interval n-power rate

For more information about samplers, see "Configuring samplers."

3.     Enter interface view.

interface interface-type interface-number

4.     Configure IPv6 NetStream sampling.

ipv6 netstream [ inbound | outbound ]  sampler sampler-name

By default, IPv6 NetStream sampling is disabled.

Enabling IPv6 NetStream for outgoing IPsec packets before IPsec encapsulation

1.     Enter system view.

system-view

2.     Enter interface view.

interface interface-type interface-number

3.     Enable IPv6 netstream in the outbound direction of the interface.

ipv6 netstream outbound

By default, IPv6 netstream is disabled in the outbound direction of an interface.

4.     Enable IPv6 NetStream for outgoing packets before IPsec encapsulation..

ipv6 netstream ipsec raw-packet

By default, IPv6 NetStream is enabled for outgoing IPsec encapsulated packets.

Configuring the IPv6 NetStream data export format

About IPv6 NetStream data export

When you configure the IPv6 NetStream data export format, you can also specify the following settings:

·     Whether or not to export the BGP next hop information.

·     How to export the autonomous system (AS) information: origin-as or peer-as.

¡     origin-as—Records the original AS numbers for the flow source and destination.

¡     peer-as—Records the peer AS numbers for the flow source and destination.

For example, as shown in Figure 2, a flow starts at AS 20, passes AS 21 through AS 23, and then reaches AS 24. IPv6 NetStream is enabled on the device in AS 22.

·     Specify the origin-as keyword to export AS 20 as the source AS and AS 24 as the destination AS.

·     Specify the peer-as keyword to export AS 21 as the source AS and AS 23 as the destination AS.

Figure 2 Recorded AS information varies by different keyword configurations

 

Procedure

1.     Enter system view.

system-view

2.     Set the IPv6 NetStream data export format to version 9, and configure the AS and BGP next hop export attributes.

ipv6 netstream export version 9 { origin-as | peer-as } [ bgp-nexthop ]

By default:

¡     The version 9 format is used to export IPv6 NetStream data.

¡     The peer AS numbers for the flow source and destination are exported.

¡     The BGP next hop information is not exported.

Configuring the refresh rate for IPv6 NetStream version 9 template

About IPv6 NetStream template refresh rate

Version 9 is template-based and supports user-defined formats. An IPv6 NetStream device must send the updated template to NetStream servers regularly, because the servers do not permanently save template.

For a NetStream server to use the correct version 9 template, configure the time-based or packet count-based refresh rate. If both settings are configured, the template is sent when either of the conditions is met.

Procedure

1.     Enter system view.

system-view

2.     Configure the refresh rate for the IPv6 NetStream version 9 template.

ipv6 netstream export v9-template refresh-rate { packet packets | time minutes }

By default, the packet count-based refresh rate is 20 packets, and the time-based refresh interval is 30 minutes.

Configuring MPLS-aware IPv6 NetStream

About MPLS-aware IPv6 NetStream

An MPLS flow is identified by the same labels in the same position and the same 8-tuple elements. MPLS-aware NetStream collects and exports statistics on a maximum of three labels in the label stack, with or without IP fields.

Procedure

1.     Enter system view.

system-view

2.     Collect and export statistics on MPLS packets.

ip netstream mpls [ label-positions label-position1 [ label-position2 [ label-position3 ] ] ] [ no-ip-fields ]

By default, statistics of MPLS packets are not collected or exported.

Configuring IPv6 NetStream flow aging

Configuring periodical flow aging

1.     Enter system view.

system-view

2.     Set the aging timer for active flows.

ipv6 netstream timeout active minutes

By default, the aging timer for active flows is 30minutes.

3.     Set the aging timer for inactive flows.

ipv6 netstream timeout inactive seconds

By default, the aging timer for inactive flows is 30 seconds.

Configuring forced flow aging

1.     Enter system view.

system-view

2.     Set the upper limit for cached entries and specify the processing method when the limit is reached.

ipv6 netstream max-entry { max-entries | aging | disable-caching }

By default, a maximum of 10000 IPv6 NetStream entries can be cached.

3.     Return to user view.

quit

4.     Clear the cache, including the cached IPv6 NetStream entries and the related statistics.

reset ipv6 netstream statistics

Configuring the IPv6 NetStream data export

Configuring the IPv6 NetStream traditional data export

1.     Enter system view.

system-view

2.     Specify a destination host for IPv6 NetStream traditional data export.

ipv6 netstream export host { ipv4-address | ipv6-address } udp-port [ vpn-instance vpn-instance-name ]

By default, no destination host is specified.

3.     (Optional.) Specify the source interface for IPv6 NetStream data packets sent to the NetStream servers.

ipv6 netstream export source interface interface-type interface-number

By default, no source interface is specified for IPv6 NetStream data packets. The packets take the IPv6 address of the output interface (interface that is connected to the NetStream server) as the source IPv6 address.

As a best practice, connect the management Ethernet interface to a NetStream server, and configure the interface as the source interface.

4.     (Optional.) Limit the IPv6 NetStream data export rate.

ipv6 netstream export rate rate

By default, the data export rate is not limited.

Configuring the IPv6 NetStream aggregation data export

About IPv6 NetStream aggregation data export

The IPv6 NetStream aggregation is implemented by software. It merges the flow statistics according to the aggregation mode criteria, and stores the data in the cache.

Restrictions and guidelines

Configurations in IPv6 NetStream aggregation mode view apply only to the IPv6 NetStream aggregation data export. Configurations in system view apply to the IPv6 NetStream traditional data export. When no configuration in IPv6 NetStream aggregation mode view is provided, the configurations in system view apply to the IPv6 NetStream aggregation data export.

Procedure

1.     Enter system view.

system-view

2.     Specify an IPv6 NetStream aggregation mode and enter its view.

ipv6 netstream aggregation { as | bgp-nexthop | destination-prefix | prefix | protocol-port | source-prefix }

By default, no IPv6 NetStream aggregation mode is specified.

3.     Enable the IPv6 NetStream aggregation mode.

enable

By default, the IPv6 NetStream aggregation is disabled.

4.     Specify a destination host for IPv6 NetStream aggregation data export.

ipv6 netstream export host { ipv4-address | ipv6-address } udp-port  [ vpn-instance vpn-instance-name ]

By default, no destination host is specified.

If you expect only IPv6 NetStream aggregation data, specify the destination host only in the related IPv6 NetStream aggregation mode view.

5.     (Optional.) Specify the source interface for IPv6 NetStream data packets sent to the NetStream servers.

ipv6 netstream export source interface interface-type interface-number

By default, no source interface is specified for IPv6 NetStream data packets. The packets take the IPv6 address of the output interface as the source IPv6 address.

You can configure different source interfaces in different IPv6 NetStream aggregation mode views.

If no source interface is configured in IPv6 NetStream aggregation mode view, the source interface configured in system view applies.

Display and maintenance commands for IPv6 NetStream

Execute display commands in any view and reset commands in user view.

 

Task

Command

Display IPv6 NetStream entry information.

In standalone mode:

display ipv6 netstream cache [ verbose ] [ type { ip | ipl2 | l2 | mpls [ label-position1 label-value1 [ label-position2 label-value2 [ label-position3 label-value3 ] ] ] } ] [ destination destination-ip | destination-port destination-port | interface interface-type interface-number | protocol protocol | source source-ip | source-port source-port ] * [ arrived-time start-date start-time end-date end-time ]

In IRF mode:

display ipv6 netstream cache [ verbose ] [ type { ip | ipl2 | l2 | mpls [ label-position1 label-value1 [ label-position2 label-value2 [ label-position3 label-value3 ] ] ] } ] [ destination destination-ip | destination-port destination-port | interface interface-type interface-number | protocol protocol | source source-ip | source-port source-port ] * [ arrived-time start-date start-time end-date end-time ] [ slot slot-number ]

Display the locally archived IPv6 NetStream entries.

In standalone mode:

display ipv6 netstream cache archive [ verbose ] [ type { ip | ipl2 | l2 | mpls [ label-position1 label-value1 [ label-position2 label-value2 [ label-position3 label-value3 ] ] ] } ] [ destination destination-ip | destination-port destination-port | interface interface-type interface-number | protocol protocol | source source-ip | source-port source-port ] * [ arrived-time start-date start-time end-date end-time ]

In IRF mode:

display ipv6 netstream cache archive [ verbose ] [ type { ip | ipl2 | l2 | mpls [ label-position1 label-value1 [ label-position2 label-value2 [ label-position3 label-value3 ] ] ] } ] [ destination destination-ip | destination-port destination-port | interface interface-type interface-number | protocol protocol | source source-ip | source-port source-port ] * [ arrived-time start-date start-time end-date end-time ] [ slot slot-number ]

Display information about the IPv6 NetStream data export.

display ipv6 netstream export

Display IPv6 NetStream template information.

In standalone mode:

display ipv6 netstream template

In IRF mode:

display ipv6 netstream template [ slot slot-number ]

display ipv6 netstream template

Age out, export all IPv6 NetStream data, and clear the cache.

reset ipv6 netstream statistics

 

IPv6 NetStream configuration examples

Example: Configuring IPv6 NetStream traditional data export

Network configuration

As shown in Figure 3, configure IPv6 NetStream on the device to collect statistics on packets passing through the device.

·     Enable IPv6 NetStream for incoming and outgoing traffic on GigabitEthernet 1/0/1.

·     Configure the device to export the IPv6 NetStream traditional data to UDP port 5000 of the NetStream server.

Figure 3 Network diagram

Procedure

# Assign an IP address to each interface, as shown in Figure 3. (Details not shown.)

# Enable IPv6 NetStream for incoming and outgoing traffic on GigabitEthernet 1/0/1.

<Device> system-view

[Device] interface gigabitethernet 1/0/1

[Device-GigabitEthernet1/0/1] ipv6 netstream inbound

[Device-GigabitEthernet1/0/1] ipv6 netstream outbound

[Device-GigabitEthernet1/0/1] quit

# Specify 40::1 as the IP address of the destination host and UDP port 5000 as the export destination port number.

[Device] ipv6 netstream export host 40::1 5000

Verifying the configuration

# Display information about IPv6 NetStream entries.

<Device> display ipv6 netstream cache

IPv6 NetStream cache information:

  Active flow timeout             : 60 min

  Inactive flow timeout           : 10 sec

  Max number of entries           : 1000

  IPv6 active flow entries        : 2

  MPLS active flow entries        : 0

  IPL2 active flow entries        : 0

  IPv6 flow entries counted       : 10

  MPLS flow entries counted       : 0

  IPL2 flow entries counted       : 0

  Last statistics resetting time  : 01/01/2000 at 00:01:02

 

IPv6 packet size distribution (1103746 packets in total):

1-32   64   96  128  160  192  224  256  288  320  352  384  416  448  480

.249 .694 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000

 

512  544  576 1024 1536 2048 2560 3072 3584 4096 4608 >4608

.000 .000 .027 .000 .027 .000 .000 .000 .000 .000 .000 .000

 

Protocol          Total Packets    Flows  Packets Active(sec) Idle(sec)

                  Flows /sec       /sec   /flow   /flow       /flow

--------------------------------------------------------------------------

TCP-Telnet      2656855     372        4       86        49         27

TCP-FTP         5900082      86        9        9        11         33

TCP-FTPD        3200453    1006        5      193        45         33

TCP-WWW       546778274   11170      887       12         8         32

TCP-other      49148540    3752       79       47        30         32

UDP-DNS       117240379     570      190        3         7         34

UDP-other      45502422    2272       73       30         8         37

ICMP           14837957     125       24        5        12         34

IP-other          77406       5        0       47        52         27

 

 Type DstIP(Port)        SrcIP(Port)      Pro TC  FlowLbl  APPID  If(Direct)   Pkts

      DstMAC(VLAN)       SrcMAC(VLAN)

      TopLblType(IP/MASK)Lbl-Exp-S-List

--------------------------------------------------------------------------

IP   2001::1(1024)      2002::1(21)       6   0   0x0      0x0    GE1/0/1(I)   42996

IP   2002::1(21)        2001::1(1024)     6   0   0x0      0x0    GE1/0/1(O)   42996

 # Display information about the IPv6 NetStream data export.

[Device] display ipv6 netstream export

IPv6 export information:

  Flow source interface                           : Not specified

  Flow destination VPN instance                   : Not specified

  Flow destination IPv6 address (UDP)             : 40::1 (5000)

  Version 9 exported flow number                  : 10

  Version 9 exported UDP datagram number (failed) : 10 (0)

Example: Configuring IPv6 NetStream aggregation data export

Network configuration

As shown in Figure 4, all routers in the network are running IPv6 EBGP. Configure IPv6 NetStream on the device to meet the following requirements:

·     Export the IPv6 NetStream traditional data to port 5000 of the NetStream server.

·     Perform the IPv6 NetStream aggregation in the modes of protocol-port, source-prefix, destination-prefix, and prefix.

·     Export the aggregation data of different modes to the UDP ports 3000, 4000, 6000, and 7000.

Figure 4 Network diagram

Procedure

# Assign an IP address to each interface, as shown in Figure 4. (Details not shown.)

# Enable IPv6 NetStream for incoming and outgoing traffic on GigabitEthernet 1/0/1.

<Device> system-view

[Device] interface gigabitethernet 1/0/1

[Device-GigabitEthernet1/0/1] ipv6 netstream inbound

[Device-GigabitEthernet1/0/1] ipv6 netstream outbound

[Device-GigabitEthernet1/0/1] quit

# Specify 40::1 as the IPv6 address of the destination host and UDP port 5000 as the export destination port number.

[Device] ipv6 netstream export host 40::1 5000

# Set the aggregation mode to protocol-port, and specify the destination host for the aggregation data export.

[Device] ipv6 netstream aggregation protocol-port

[Device-ns6-aggregation-protport] enable

[Device-ns6-aggregation-protport] ipv6 netstream export host 40::1 3000

[Device-ns6-aggregation-protport] quit

# Set the aggregation mode to source-prefix, and specify the destination host for the aggregation data export.

[Device] ipv6 netstream aggregation source-prefix

[Device-ns6-aggregation-srcpre] enable

[Device-ns6-aggregation-srcpre] ipv6 netstream export host 40::1 4000

[Device-ns6-aggregation-srcpre] quit

# Set the aggregation mode to destination-prefix, and specify the destination host for the aggregation data export.

[Device] ipv6 netstream aggregation destination-prefix

[Device-ns6-aggregation-dstpre] enable

[Device-ns6-aggregation-dstpre] ipv6 netstream export host 40::1 6000

[Device-ns6-aggregation-dstpre] quit

# Set the aggregation mode to prefix, and specify the destination host for the aggregation data export.

[Device] ipv6 netstream aggregation prefix

[Device-ns6-aggregation-prefix] enable

[Device-ns6-aggregation-prefix] ipv6 netstream export host 40::1 7000

[Device-ns6-aggregation-prefix] quit

Verifying the configuration

# Display information about the IPv6 NetStream data export.

[Device] display ipv6 netstream export

as aggregation export information:

  Flow source interface                           : Not specified

  Flow destination VPN instance                   : Not specified

  Flow destination IPv6 address (UDP)             : 40::1 (2000)

  Version 9 exported flow number                  : 0

  Version 9 exported UDP datagram number (failed) : 0(0)

 

protocol-port aggregation export information:

  Flow source interface                           : Not specified

  Flow destination VPN instance                   : Not specified

  Flow destination IPv6 address (UDP)             : 40::1 (3000)

  Version 9 exported flow number                  : 0

  Version 9 exported UDP datagram number (failed) : 0 (0)

 

source-prefix aggregation export information:

  Flow source interface                           : Not specified

  Flow destination VPN instance                   : Not specified

  Flow destination IPv6 address (UDP)             : 40::1 (4000)

  Version 9 exported flow number                  : 0

  Version 9 exported UDP datagram number (failed) : 0 (0)

 

destination-prefix aggregation export information:

  Flow source interface                           : Not specified

  Flow destination VPN instance                   : Not specified

  Flow destination IPv6 address (UDP)             : 40::1 (6000)

  Version 9 exported flow number                  : 0

  Version 9 exported UDP datagram number (failed) : 0 (0)

 

prefix aggregation export information:

  Flow source interface                           : Not specified

  Flow destination VPN instance                   : Not specified

  Flow destination IPv6 address (UDP)             : 40::1 (7000)

  Version 9 exported flow number                  : 0

  Version 9 exported UDP datagram number (failed) : 0 (0)

 

IPv6 export information:

  Flow source interface                           : Not specified

  Flow destination VPN instance                   : Not specified

  Flow destination IPv6 address (UDP)             : 40::1 (5000)

  Version 9 exported flow number                  : 0

  Version 9 exported UDP datagram number (failed) : 0 (0)

 

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