#1164 problem to launch agent on mutiple transports

[Anonymous]

This problem is found in v5.0.9 and on linux system.

There is a problem to launch agents on mutiple
transports. The following CLI will fail.
"snmpd tcp:161,tcp6:161,udp:161,udp6:161"

If you enable SO_REUSEADDR code in snmpUDPDomain.c
and snmpUDPIPv6Domain.c, udp and udp6 can be
launched together. For tcp and tcp6, bind() seems not
allowing to multiple apps to open the same port. Bind()
always failed for the second transport - errno IN USE.
So, "snmpd udp:161,udp6:161" is ok. But "snmpd
tcp:161,tcp6:161" will fail.

This is the same issue if you set agentaddress in
snmpd.conf.

[Robert Story]

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While SO_REUSEADDR appears to help, bu letting the agent
start succesfully, data will only be received via the second
transport. If you bind to a specific address, you may bind
to both transports (eg 'udp:localhost:161,upd6:[:1]:161').

Not sure if this is a kernel problem, or transport problem.

[Thomas Anders]

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Can you please retest with a recent version, preferrably
5.2.2.rc1 or later, and report back?

What kernel version and platform/distro is this?

[SourceForge Robot]

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