[SNMP4J] About coexistenceInfo

[Frank Fock]

Hello Mr. Norimichi,

The coexistence provider is the
SNMP-COMMUNITY-MIB which uses the community
to map to the associated security name and
context engine ID. It does not use the source
address of the request.

Using the source address would further increase
configuration complexity.

Best regards,
Frank Fock

Kanda Norimichi wrote:
> Dear Mr. Fock:
> 
> I'm making the NMS which manage multiple SNMPv2c Agent, now.
> And, I hope the NMS forward Trap from Agent to another NMS using 
> ForwardProxy.
> 
> But, when I register the second Agent on NMS, Trap from the first Agent 
> couldn't be forwarded.
> I traced and found that in org.snmp4j.agent.CommandProcessor 95th line,
> result of coexistenceProvider.getCoexistenceInfo() is absolutely the second 
> Agent information.
> So, forwarding absolutely fails at coexistenceProvider.passesFilter() in 
> 97th line.
> 
> I traced more, when I register the second Agent which has same 
> CommunityName,
> the first Agent information in SnmpCommunityMIB.coexistenceInfo was 
> overwritten by the second Agent information.
> I think that by right, it should be managed by CommunityName & PeerAddress.
> 
> Could you tell me how would you think about it ?
> 
> Sincerely.
> 
> Norimichi Kanda
> 
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