Using standard UDP port 161 with Agent ++ does not work on my Linux computer

[Frank Fock]

Hi Günter,

You must be super user to bind a port < 1024 and there must not run any
other process on that port.

Best regards,
Frank

Günter Dannoritzer wrote:

> Hi,
>
> I tried to run an agent with the standard SNMP port UDP 161 on my SUSE 6.3 Linux computer and the agent canceled with the following error message.
>
> usr1 at Stillwater:~/agent++/examples/atm_mib/src > agent 161
> 20010315.17:01:41: 01165: (0)ERROR  : main: SNMP port init failed: (-22).
> Terminated
>
> With UDP port 4700 the agent runs just fine.
>
> I have a, what I think, similar problem with the trap receiver example that comes with SNMP++. When I start the trap receiver it cancels with the error message "Transport in use"
>
> My first guess was that there is already a program running on my computer that uses the UDP ports 161 or 162. So I run netstat -a, but the two ports didn't show up.
>
> Does the error message of the agent means the same as the one I get from the trap receiver example of SNMP++?
>
> What do I have to do in order to allow the agent to access port 161?
>
> Thanks for your help.
>
> Guenter