|Subject:||Re: [lwip-users] LWIP 2.0.3 SNMP Traps - add varbinds to SNMP traps?|
|Date:||Thu, 19 Apr 2018 17:57:40 +0000|
I used LwIPs SNMP feature in the past but unfortunately i don't have access to the code anymore since i work for another company now.
If i remember well, you have to create a varbind object (struct snmp_varbind), fill it with your data and then pass a pointer to the varbind to the snmp_send_trap() or snmp_send_trap_specific() function.
You can send multiple varbinds in one trap by chaining multiple varbinds together using the next and prev members of the varbind object. The prev field of the first varbind should be NULL and the next field of the last varbind should be NULL. Pass a pointer to the first varbind to the function(s) mentioned before.
I assume you already use Wireshark to check your outgoing packets. It can uncover mistakes you made when creating the varbind objects.
Van: lwip-users <lwip-users-bounces+address@hidden> namens ngothanh chien <address@hidden>
Verzonden: donderdag 19 april 2018 17:12
Onderwerp: [lwip-users] LWIP 2.0.3 SNMP Traps - add varbinds to SNMP traps?
Dear Lwip team,
Firstly, many thanks for reading this email. Could you do me a favor?
I’m stuck with how to add varbinds to snmp traps in lwip 2.0.3. I tried google several days and I found some thread from 2016 mentioned this thing but still don’t get answer.
Could you give me an example or an suggestion where I can start?
I am very appreciate and sorry if this email bother you.
Sent from Mail for Windows 10
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