Not possible export flows through the management VPN using interface g0/0/0

Latest reply: Dec 18, 2018 07:23:23 258 2 0 0

DESCRIPTION:


NE20 has a VPN configured for management, using it its possible to collect SNMP and terminal access to the equipment.
Now its necessary to export flows through this interface.
All the configuration is performed but the flows do not reach the server. After debbuging, we can confirm that the packages are generated, but it seems that they are not being sent by this interface.

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ROOT CAUSE:

The route outbound interface of the netstream sample export host is g0/0/0. The NetStream sampling function is used when traffic is forwarded on the forwarding board, packets are periodically or quantitatively collected. after the outbound interface information is queried, the forwarding chip directly sends sampled data flows. but the g0/0/0 interface is an interface directly connected to the
CPU of the MPU but not interface on LPU, it could not been used as a traffic forwarding port, and the result is no netstream sample stream output from interface g0/0/0.

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SOLUTION:

Configure other interface, different from g0/0/. For example in slot 3:  0/3/6

 

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You can check Netstream configuration with command: display netstream all.


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Also you can check in your own  server collector (NMS) that flows are arriving correctly.

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Finn92
Created Dec 18, 2018 07:04:54 Helpful(0) Helpful(0)

ok author , so management port g0/0/0 not support netstream , then about other function , does it has other limitation .
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No.9527
Created Dec 18, 2018 07:23:23 Helpful(0) Helpful(0)

The NetStream feature may be used to analyze the communication information of terminal customers for network traffic statistics and management purposes. Before enabling the NetStream feature, ensure that it is performed within the boundaries permitted by applicable laws and regulations. Effective measures must be taken to ensure that information is securely protected.
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