EXOS: Send trap if rejected/duplicated ip is found

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  • Updated 1 year ago
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Hi,

if you perform the command "show iparp vlan <vlan>" there is a summary at the bottom, where you can see duplicated IPs and rejected IPs (which are no member of the ip network the vlan is using).

I would like to receive an snmp-trap everytime, as soon as one of this entries changes.

I think with that command you could do that:
configure snmpv3 add mib-view "defaultNotifyView" subtree <?> type included 
But where can I find out, which OID is meant for these values?

I'm looking forward to your input

Best Regards
Chacko
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Chacko

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Posted 1 year ago

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Taykin Izzet , Employee

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Chacko, you could perform an SNMP walk against the switch to get an idea of the OIDs and their description. Though I do not think we have one for duplicate IPs.

Please be aware that you can detect Duplicate IPs based on a test that would inform if two device respond to an ICMP request. Please read the following article for more detail:

https://gtacknowledge.extremenetworks.com/articles/Solution/Isolate-Duplicate-Address-Detection-DAD

In turn, if you have an SNMP manager / NMS, such as the marvelous NetSight, you then could create an alarm based on the EMS generated in the show log output via syslog.
(Edited)
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Chacko

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Ok, thanks.
I will have a look on this.
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Bin, Employee

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Hi Chacko,

Another discussing in our hub, may be could referenced.

https://community.extremenetworks.com/extreme/topics/how-the-dad-feature-works

Best regards,
Bin