Re: how to specify source IP address / interface when sending traps (with Solaris IP multipathing )

Okay here's the final word on this thread:

The change of importance was in net-snmp/snmplib/snmpUDPDomain.c between 
revision 5.10 and 5.11.  It happened 23 months ago.  I don't really 
following the naming convention used on CVS branches in the tree, but it 
was pulled into the 5.1 branch obviously before 5.1.3.

http://cvs.sourceforge.net/viewcvs.py/net-snmp/net-snmp/snmplib/snmpUDPDomain.c?r1=5.10&r2=5.11

Whoever commit the pullup forgot the sister change to man/snmp.conf.5.def

adding "clientaddr [ip]" into your snmp.conf (NOTE: NOT SNMPD.CONF) will 
change how the bind() works in 5.1.3.

Welcome to UNIX daemons in the 21st century.

I will try to work with the OpenBSD people to get the port updated 5.1.3, 
but it doesn't look very promising.  Honestly, all of this work is the 
result of the OpenBSD port being behind (probably due to the patches). 
When it's all said and done, I wonder if it wouldn't just make more sence 
ot get 5.2.x running instead.  This would be a non-issue if the port was 
up-to-date in the 5.1 branch or was in the 5.2 branch.  A lot of the 
OpenBSD ports patches to 5.1.2 have apparently been merged back into the 
main tree in 5.1.3.

Could someone please pull up the snmp.conf.5 into the 5.1 branch, as well 
as possibly modify the text:

.IP "clientaddr [<transport-specifier>:]<transport-address>"
Sender address used by the command-line tools, see

...it should really say, "Specify source address used by command-line 
tools and the agent daemon snmpd(8) when sending traps and 
informs....etc."


===>  Patching for net-snmp-5.1.3p2
1 out of 3 hunks failed--saving rejects to 
agent/mibgroup/mibII/tcpTable.c.rej
***>   patch-agent_mibgroup_mibII_tcpTable_c did not apply cleanly
1 out of 1 hunks failed--saving rejects to agent/mibgroup/ucd_snmp.h.rej
***>   patch-agent_mibgroup_ucd_snmp_h did not apply cleanly
1 out of 7 hunks failed--saving rejects to configure.rej
***>   patch-configure did not apply cleanly
Ignoring previously applied (or reversed) patch.
4 out of 4 hunks ignored--saving rejects to local/fixproc.rej
***>   patch-local_fixproc did not apply cleanly
*** Error code 1


~BAS




On Tue, 16 Aug 2005, Brian A. Seklecki wrote:

> On Tue, 16 Aug 2005, Brian A. Seklecki wrote:
>
>> On Tue, 16 Aug 2005, Russell Bell wrote:
>> 
>>> 
>>> Is the problem definitely fixed in 5.1.3 then ?  Re the code similarity,
>>> Matt copied the WIN32 version of get_myaddr() in 5.1.2 snmplib/system.c 
>>> and
>> 
>> I'm going to find out this morning.  The changelog between 5.1.2 and 5.1.3 
>> is something like 30 pages long.  None of the OpenBSD ports patches apply 
>> cleanly.
>
> Russell:
>
> Could you please send me your copy of system.c?
>
> I was able to safely backport all of _sess_open() from snmplib/snmp_api.c 
> from 5.2.1.2 from to 5.1.3 by simply copying it and also a small chunk from 
> the top of snmp_api.c:
>
>    netsnmp_ds_register_config(ASN_OCTET_STR, "snmp", "clientaddr",
>                      NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_CLIENT_ADDR);
>
> These are the only places that I see 'clientaddr' mentioned...but I don't see 
> a mention of the config paramter until snmp.5.conf in -current sources.  It 
> occured to me that 'clientaddr' is read from snmp.conf instead of snmpd.conf.
>
> Anyway, my snmpd(8) agent daemon still isn't properly sourcing traps with 
> that patch applied.
>
> Do config file statements in snmp.conf apply to all functions/code, even if 
> traps are sent from snmpd(8) through shared code ...instead of snmptrap(1) ?
>
> ~BAS
>
>
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l8*
 	-lava

x.25 - minix - bitnet - plan9 - 110 bps - ASR 33 - base8


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September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices
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