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The information of S5700-28C-EI-24S cannot be read through a third-party NMS

Latest reply: Jul 2, 2020 22:37:06 139 7 3 0

Hello everyone,

Today I will share with you how to deal with the information of S5700-28C-EI-24S cannot be read through a third-party NMS after SNMP is configured.

Issue Description

Device model: S5700-28C-EI-24S

Software version: V200R003C00SPC300

Networking overview: S5700--- third-party NMS

SNMP Configuration scripts:

snmp-agent

snmp-agent local-engineid 800007DB03E4C2D1FDXXXX

snmp-agent community read cipher xxxx

snmp-agent sys-info version v2c v3

Fault symptom: Currently, there are two S5700-28C-EI-24S switches (running V200R003SPC300). After SNMP parameters are configured, switch information (such as the user MAC address and switch IP address) cannot be obtained through the third-party NMS. S5700-52C-EI running V200R001C00SPC300 and S5700S-52P-LI-AC running V200R003C00SPC300 are normal.

Handling Process

1. Query the SNMP configurations of the switches. The configurations are the same, and no exception occurs.

2. Check the debugging information about the SNMP packets and find that the NMS queries the MIB object ipNetToMediaPhysAddress through SNMP packets. The device does not respond, as shown in the following figure.

161444moccxpsprqdotxqh.png

The following figure shows the packets that are normally delivered.

161444sg1xghmwrleklw8r.png

3. Run the display snmp-agent mib-view command to query the MIB view. It is found that the faulty switch does not have the corresponding MIB view. Therefore, the NMS cannot access the MIB information of the switch through SNMP information.

4. Run the snmp-agent community read cipher xxx@XX mib-view iso command.

snmp-agent mib-view included iso iso

The problem is resolved after the ISO view is added and the read and write community names are bound.

Root Cause

The S5700-28C-EI-24S does not have a default MIB view. Therefore, the MIB node information cannot be read.

Solution

Run the snmp-agent community read cipher xxx@XX mib-view iso command.

snmp-agent mib-view included iso iso

The MIB view is added and the read and write community names configured by users are bound to solve the problem.

That is all I want to share with you! Thank you!


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MVE Created Jun 30, 2020 09:01:26 Helpful(0) Helpful(0)

Thanks for sharing
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I%20would%20like%20to%20share%20with%20you%20my%20experience%2C%20I'm%20telecommunications%20engineer%2C%20currently%20senior%20project%20manager%20at%20an%20operator%2C%20partner%20of%20Huawei%2C%20in%20the%20radio%20access%20network%20department%2C%20for%2020%20years%20I%20managed%20several%20types%20of%20projects%2C%20for%20the%20different%20nodes%20of%20the%20network.%3Cbr%2F%3EAt%20the%20same%20time%2C%20I%20give%20courses%20in%20universities%20as%20a%20temporary%2C%20to%20bring%20the%20operational%20side%20of%20telecommunication%20technologies%20to%20students%2C%20for%20network%20supervision%20systems%2C%20mobile%20radio%20networks%20and%20access%20networks%20etc.
MVE Created Jun 30, 2020 09:52:55 Helpful(0) Helpful(0)

Cool
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Live%20Lead%20Love%20%3A)
Created Jun 30, 2020 12:31:04 Helpful(1) Helpful(1)

Nice job
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Created Jun 30, 2020 12:31:12 Helpful(1) Helpful(1)

thank you!
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MVE Created Jun 30, 2020 12:54:57 Helpful(0) Helpful(0)

Thank you for sharing!
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Telecommunications%20and%20Electronics%20Engineer%2C%20with%208%20years%20of%20experience%20working%20with%20Huawei%20equipment.
Created Jul 2, 2020 13:23:46 Helpful(2) Helpful(2)

Is good to know that
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Created Jul 2, 2020 22:37:06 Helpful(1) Helpful(1)

Thank you for sharing!
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