On Thu, 2013-02-28 at 08:29 +0000, AR, Giridhar wrote:
> Hello,
>
> We are not able to receive traps on ipv6 address in my application.
> Our application is not able to open the Traplistener on IPv6 on Suse
> SLES 11, Redhat 5.6 and Windows Server 2008 R2.
> We have set the preferred address as IPV6. Port 162 is not getting
> banded to IPV6 address.
>
> The think the following netsnmp code is having problem
>
> /* open the trap_session */
> SOCK_STARTUP;
> transport = netsnmp_transport_open_server("snmptrap", "udp:162");
The above line says "Start listening on UDP IPv4 port 162". I think that
might be the reason it fails to listen to IPv6.
Now, you are not entierly clear about wether this is our or your code
that tries to listen for snmp traps.
If it is our code then your options are:
* Tell it to listen for udp6 addresses - give it the argument "udp6".
* Change the default port and not tell it to listen for anything special
The way to change the default is to add
defDomain snmptrap udp6
to the relevant config file.
If it is your code then you have other options
/* open the trap_session */
SOCK_STARTUP;
/* change the default domain for snmptrap */
netsnmp_register_default_domain("snmptrap", "udp6");
transport = netsnmp_transport_open_server("snmptrap", NULL);
or you could just tell it to open the default port for the snmptrap
application using the udp6 domain:
/* open the trap_session */
SOCK_STARTUP;
transport = netsnmp_transport_open_server("snmptrap", "udp6");
or, if you just want to open that udp6 port and ignore the librarys
frantic efforts to help you:
/* open the trap_session */
SOCK_STARTUP;
transport = netsnmp_transport_open_server("snmptrap", "udp6:162");
/MF
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